Senior Software Developers specialising in trading systems required for an excellent client based in London.
The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client’s own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and allow you to make your own mark on the development process early on.You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications and trading platform.
Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe. This role is within the sports trading industry so any candidate applying should either have an interest in the industry, or experience within it.
This is predominantly an office-based role. As well as very competitive salaries, our client offers a comprehensive benefits package.

Skills required:

• C#
• Worked with the latest version of the .NET platform
• Database experience - SQL Server
• WPF
• Angular, TypeScript
• Excellent communication skills both written and verbal
  Knowledge of working with trading platforms
• Modelling experience
• High level aptitude for technology
• Education to at least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent.

Desirable skills:

• HTML5, CSS, JavaScript
• Multi-threaded application development
• Understanding of Windows technologies

If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on (phone number removed) or email (url removed)

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Senior Software Engineer (Tech Agnostic- Python, Go, Rust)

Hybrid- London

£100,000-£135,000 + Generous Equity + Strong Package

Series A | High-Growth Tech

We’re partnered with one of Europe’s fastest-scaling technology startups, fresh off a major Series A raise and building at extraordinary pace.

This is not a typical feature-delivery role. This is an opportunity to help redefine how goods move in the digital economy- working at the intersection of distributed systems, routing algorithms, machine learning, and real-world operational systems.

The Team

Close to 100 people globally and will be looking to almost double the team in 2026

More than half in Engineering, Product and Data

Culture built around experimentation, high standards and rapid feedback loops

You’ll work closely with senior engineering leadership who have previously scaled large distributed systems and ML-driven platforms at global technology companies.

Tech Environment

Backend systems currently built in Python, looking to move to Golang or Rust

Typescript

Cloud-native architecture on GCP (BigQuery, Cloud Run)

Extensive use of ML modelling and LLM inference

Robotics and IoT integrations across operational workflows

What You’ll Do

Own engineering problems end-to-end across backend and systems architecture

Contribute to optimisation engines and real-time decision systems

Work across the stack, from infrastructure to operational tooling

Solve complex real-world challenges

Spend time in-field understanding real-world operational impact

Ship fast, iterate quickly, and raise engineering standards

This is a high-autonomy, high-impact role suited to engineers who thrive in fast-moving, intellectually rigorous environments.

Hiring Process (Typically Completed Within 1-2 weeks)

30-minute Talent Screening

1-hour tech interview

2-hour design interview

1-hour team & culture fit interview

Who This Role Suits

You are likely to succeed here if you:

Enjoy working in a fast paced environment (Startup/scaleup vibes)

Define problems clearly and measure impact rigorously

Enjoy tackling complex technical challenges

Move quickly and embrace iteration

Take ownership from start to finish

Value high standards and candid feedback

Want to build technology that operates in the real world, not just on a screen

Package

£100k-£135k base salary (depending on experience)

Very competitive equity package with annual top ups

Bupa private medical

Gym Membership

25 days of holiday

Enhanced Parental Leave

Fully paid for team socials

Hybrid working (4 days onsite in North London)

Opportunity to join at a critical scale-up inflection point

If you are a Senior Software Engineer looking to build systems that reshape an industry, this is a rare opportunity.

Please click apply now if you would like to speak about this one!

TPBN1_UKTJ

Senior Software Developers specialising in trading systems required for an excellent client based in London.
The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client’s own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and allow you to make your own mark on the development process early on.You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications and trading platform.
Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe.
This is predominantly an office-based role. As well as very competitive salaries, our client offers a comprehensive benefits package.

Skills required:

• C#
• Worked with the latest version of the .NET platform
• Database experience - SQL Server
• WPF
• Angular, TypeScript
• Excellent communication skills both written and verbal
  Knowledge of working with trading platforms
• Modelling experience
• High level aptitude for technology
• Education to at least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent.

Desirable skills:

• HTML5, CSS, JavaScript
• Multi-threaded application development
• Understanding of Windows technologies

If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on (phone number removed) or email (url removed)

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Contract Software Engineer Cloud / Serverless (Outside IR35) Hybrid Nottingham (max 2 days per month onsite) 6 Months Initial Contract We are currently supporting a leading UK digital transformation consultancy on the search for an experienced Software Engineer to join a high-performing delivery team on an enterprise-scale programme. This role will focus on the design and development of cloud-native, serverless solutions within Microsoft Azure, contributing to secure, scalable and resilient enterprise platforms. The Role: You will be responsible for designing, developing and maintaining cloud-native applications using Azure Functions, Azure Storage (Blob, Table, Queue) and Azure Service Bus. The work will involve building event-driven architectures and contributing to modern, serverless solutions within a secure enterprise environment. You will develop high-quality, maintainable code using Node.js, TypeScript and JavaScript, and where required, contribute to front-end development using HTML and JavaScript. Working within a collaborative, Agile delivery team, you will partner with architects, product owners and DevOps engineers to deliver enterprise-grade solutions. Youll contribute to code reviews, adhere to established architectural patterns, support testing activities, and ensure best practice security and cloud governance standards are met. There is a requirement to travel to client offices in Nottingham up to two days per month. Essential Experience: Strong hands-on experience with Microsoft Azure, particularly: Azure Functions Azure Storage (Blob, Table, Queue) Azure Service Bus Proficiency in Node.js, TypeScript and JavaScript Experience building event-driven and serverless applications Understanding of RESTful APIs and integration patterns Experience with CI/CD pipelines and DevOps practices Knowledge of secure coding and cloud security principles Experience using Git-based version control systems Experience contributing to enterprise-level software delivery D esirable Experience: Microsoft Dataverse Microsoft Power Platform Infrastructure as Code (Bicep, ARM, Terraform) Azure monitoring tools (Application Insights, Azure Monitor) Experience working in Agile/Scrum environments Experience delivering solutions for external clients This is an excellent opportunity to join a well-established digital consultancy delivering meaningful transformation programmes, working with modern Azure technologies in a collaborative and technically strong environment. If this sounds like you, please apply with your latest CV to be considered. TPBN1\_UKTJ

Contract Lead Software Engineer Cloud / Serverless (Outside IR35) Hybrid Nottingham (max 2 days per month onsite) 6 Months Initial Contract We are currently supporting a leading UK digital transformation consultancy on the search for an experienced Lead Software Engineer to join a high-performing delivery team on an enterprise-scale programme. This role will focus on the design and development of cloud-native, serverless solutions within Microsoft Azure, contributing to secure, scalable and resilient enterprise platforms. The Role: You will be responsible for designing, developing and maintaining cloud-native applications using Azure Functions, Azure Storage (Blob, Table, Queue) and Azure Service Bus. The work will involve building event-driven architectures and contributing to modern, serverless solutions within a secure enterprise environment. You will develop high-quality, maintainable code using Node.js, TypeScript and JavaScript, and where required, contribute to front-end development using HTML and JavaScript. Working within a collaborative, Agile delivery team, you will partner with architects, product owners and DevOps engineers to deliver enterprise-grade solutions. Youll contribute to code reviews, adhere to established architectural patterns, support testing activities, and ensure best practice security and cloud governance standards are met. There is a requirement to travel to client offices in Nottingham up to two days per month. Essential Experience: Strong hands-on experience with Microsoft Azure, particularly: Azure Functions Azure Storage (Blob, Table, Queue) Azure Service Bus Proficiency in Node.js, TypeScript and JavaScript Experience building event-driven and serverless applications Understanding of RESTful APIs and integration patterns Experience with CI/CD pipelines and DevOps practices Knowledge of secure coding and cloud security principles Experience using Git-based version control systems Experience contributing to enterprise-level software delivery D esirable Experience: Microsoft Dataverse Microsoft Power Platform Infrastructure as Code (Bicep, ARM, Terraform) Azure monitoring tools (Application Insights, Azure Monitor) Experience working in Agile/Scrum environments Experience delivering solutions for external clients This is an excellent opportunity to join a well-established digital consultancy delivering meaningful transformation programmes, working with modern Azure technologies in a collaborative and technically strong environment. If this sounds like you, please apply with your latest CV to be considered. TPBN1\_UKTJ

Software Engineer - London, UK

About the Role

Full Stack Software Engineer | Hybrid | Permanent | Starting from £63,000 
We’re free thinkers. We’re innovators. We’re #ConsultantsWhoCode.  
We have an exciting opportunity for an experienced FullStack Software Engineer with strong React Native mobile development experience to join our growing Software Engineering team at here at EDF.  
The Opportunity
As a FullStack Engineer with a mobilefirst focus, you’ll play a key role in building the apps and platforms that support our asset management teams — the people powering the electric vehicles, batteries, and lowcarbon technologies supporting the UK’s journey to Net Zero. 
You’ll work across the full stack, with around 60–70% of your time focused on React Native mobile development and the rest contributing to backend services, AWS infrastructure, testing, and delivery tooling. 
As part of our modern engineering culture, you’ll also use AIenabled engineering tools to improve code quality, testing, documentation, observability, and developer experience. We’re growing our AI capability across the entire SDLC — from requirements refinement to code generation, test automation, and release processes — and you’ll help shape how we adopt these tools responsibly and effectively. 
We operate using scaled Agile practices, including PI Planning, crossteam collaboration, and shared engineering standards. 
This hybrid role gives you flexibility to work from home with monthly (or more frequent if you prefer) visits to London, Hove, or Exeter. 
Pay, Benefits & Culture
Alongside a starting salary from £63,000, you’ll receive:

• Up to 5% annual bonus
• A marketleading pension scheme
• Customisable benefits including electric vehicle leasing, gym discounts, life assurance, healthcare cash plan, tech vouchers, product discounts and more

Everyone is welcome at EDF.
We’re committed to building a workforce that reflects gender balance, social mobility, ethnic diversity, LGBTQ+ inclusion, and disability confidence. Adjustments and support are available throughout the recruitment process. 
What You’ll Be Doing
You’ll contribute to the design, development, and operation of highquality software with a strong focus on mobile app excellence, including: 
Mobile Engineering

• Building new features and components in React Native using TypeScript

• Creating modular, reusable components aligned with our mobile design system

• Using modern navigation, statemanagement, and asynchronous data patterns

• Integrating mobile applications with backend APIs to support smooth, resilient user journeys

• Ensuring performance, accessibility, and reliability across the app

• Implementing observability for mobile behaviour, performance, and incidents

• Contributing to build and release processes for iOS and Android, including CI/CD and app distribution

• Working closely with designers, product managers, and other engineers to deliver a unified app experience

AIEnabled Software Development

• Using AI tools (e.g., GitHub Copilot) to support coding, testing, documentation and analysis

• Working with teams to embed AI meaningfully into our SDLC — including code quality, automated testing, release safety, and operational resilience

• Supporting experiments, prototypes, and continuous improvement initiatives leveraging AI

• Applying AI ethically, responsibly, and in line with EDF guidelines

• Using AI to improve developer productivity, performance insights, and maintainability

FullStack & DevOps

• Building backend services using Node.js or Python following cloudnative and eventdriven patterns

• Deploying workloads using Infrastructure as Code on AWS

• Writing automated tests across the stack (unit, integration, E2E)

• Contributing to CI/CD pipelines using a blend of modern tools (e.g., GitHub Actions, Bitrise, etc.)

• Using feature flagging tools (e.g., Firebase Remote Config or similar) to release safely and iteratively

• Participating in agile ceremonies, PI Planning, and crossteam engineering activities

• Sharing knowledge and mentoring peers across our engineering community

Who You Are
You’re a MidLevel Engineer who enjoys using modern tools and approaches to deliver highquality software. You care about maintainability, reliability, and the user experience. 
Essential Experience

• Commercial experience with React Native and React frameworks

• Strong TypeScript skills and a good understanding of mobile UX and UI patterns

• Experience integrating with RESTful or GraphQL APIs

• Experience with AWS and cloudnative/serverless architectures

• Comfortable using AIassisted engineering tools to enhance coding and testing

• Experience with CI/CD pipelines and automated quality gates

• Familiarity with mobile testing tools such as Jest, RNTL, or Detox

• Understanding of monitoring and observability practices

Desirable Experience

• Experience with feature flagging and saferelease practices

• Mobile performance optimisation or offlinefirst patterns

• Native iOS/Android module bridging (Swift/Kotlin)

• Knowledge of mobile distribution tooling (Bitrise , Fastlane, EAS, etc.)

• Experience contributing to engineering standards, design systems, or crossteam initiatives

Your Growth
We love developing engineers. 
You’ll have opportunities to deepen your expertise, experiment with new technologies — including AI — and grow towards Senior Engineer or Tech Lead roles. 
Closing date for applications: 4th March

Full Stack Software Engineer React Typescript Java Banking London

This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank

Role details

Title: Full Stack Software Engineer
Technical focus - React (75%) and Java (25%)
Employer: front office banking derivatives
Permanent role salary £85- £125,000 plus bonus and pension
Location: London City and home working hybrid 50/50%
Technical stack: primarily Front end React/ typescript node.JS focused with a java base

This is an VP Banking front office Full Stack Software Engineer which is primarily GUI focused on React, 70% and some back end with Java 30%

This is a front office derivatives investment bank, and you will be working with international teams on big front office trading projects

This role will be interviewed in December, and offer out in January

Position Description

Derivatives Front Office Full Stack Application

We’re looking for a Software Engineer for our front office suite of application supporting trading, marketing, trade analysis and research.

You will be a Hands-on Full Stack developer using React as front end and Java 21 as the primary language for back end

Work with other teams including Front office risk teams, trading desk, Quants, and DevOps to build state of the art front to back pricing and risk solution

This is an interesting role in a thriving area of the bank

For more information, and the chance to be considered, please do send through a CV- Good luck

React and java and full and stack and (bank or derivatives)

To find out more about Huxley, please visit

Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales

• Senior Front-End Developer (Creative Technologist)
• 6-month contract (initially)
• Market Rates
• Inside IR35
• Remote Working (plus x1 day per week in central London)

The Opportunity

Our client is seeking a Senior Creative Technologist / Senior Front-End Developer to play a pivotal role in shaping the future of the Client Design Practice for a $bn US tech platform and influence the delivery of globally recognised digital experiences,

Joining a forward-thinking organisation at the intersection of design, technology and innovation, where you will help define how advanced prototypes and production-ready digital platforms are conceived, engineered and delivered, while working within a highly creative and technically ambitious environment.

You will be consulting alongside the Technology Director, Lead Visual Designer and an established Offshore Development team to ensure creative ideas are not only technically achievable but executed to an exceptional standard.

You will operate as a senior technical voice within the business, translating conceptual ideas into high-performance digital experiences while influencing architectural and technology decisions across a range of complex projects.

NB: This role is remote-first, with collaborative in-person sessions in the central London office one day per week.

Skills and Experience

Essential

• A proven pedigree with a minimum of 7 years professional front-end development experience, including senior or leadership responsibilities
• Expert knowledge of JavaScript, TypeScript, React and modern build pipelines
• Experienced in delivering technically complex prototypes and digital products with a strong background in creative technology and interactive digital experience development
• Advanced experience with animation frameworks such as GSAP, Lottie or Framer Motion, with experience integrating APIs, headless CMS platforms and cloud-based architectures
• Demonstrated experience collaborating across global and cross-functional teams, possessing strong communication skills with ability to engage both technical and creative stakeholders

Desirable

• Experience with web-based 3D technologies including Three.js, WebGL or shader development
• Exposure to AI or machine-learning driven creative workflows
• Previous experience within digital agencies, creative studios or innovation environments

Applications:

Please contact Edward here at ISR Recruitment to learn more about our client and how they are leading the way in developing the next generation of technology solutions within their sector through innovation and transformational technology?

Senior Software Engineer - SaaS / AI scale up

80- 90,000+ benefits and remote working

A Senior Software / Principal Software Engineer opportunity for an exciting tech business offering innovative products to a global customer base. This is a senior hands-on engineer position in a Ruby, Rails, React, AWS stack leading projects in a scale up environment.

The business is developing a genuinely exciting product and are growing; they promote autonomy and collaboration and support remote working. Previous experience in a full stack engineer role using Ruby, TypeScript, React is essential. Previous experience with AI or Autonomous vehicles, is desirable.

Essential requirements:

• A hands-on background within a Ruby, Rails, TypeScript, React, AWS or similar stack
• Excellent problem-solving skills and the ability to work in a collaborative product led team
• Advocate for Software engineering best practice - Unit testing, CI/CD, Pair Programming, etc
• Interested in working on complex problems with senior engineers
• The ability to work to set timescales for external customers

The company offer emote working options, all candidates applying must be UK based and eligible to work in the UK

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Start April initially until Dec 2026 Central London Certain Advantage are seeking Engineers skilled in Python, PySpark and Azure infrastructure services to join a platform team supporting a major data and analytics initiative within a globally renowned Trading business in London. You must be willing to work 3 days a week onsite in central London. This Engineer position is critical to enhancing the team’s ability to deliver re-usable, high quality data pipelines, reduce bottlenecks, and accelerate insight availability for business stakeholders. We need Engineers to have a solid architectural foundation to be able to solve problems independently at a fast pace. You’ll need to offer strong effective communication skills to be able to understand requirements and communicate with technical leaders asynchronously across 5 time zones. Your initial work will involve abstracting code from our product teams into a shared, common python library leveraging PySpark/dataframes. You’ll also be building microservices in the form of python-based Azure Functions. After the initial pre-defined work, you’ll serve as an extension of the product teams building microservices and libraries to solve the common needs across the teams. Required skills: Python PySpark SQL Azure infrastructure Understanding of Containers, Microservices, and Functional design patterns Experience with Agile processes Experience with Terraform Experience with Unit Testing Preferably PyTestOptional, but recommended skills: HTML/CSS React Typescript FastAPI framework Does this sound like your next career move? Apply today! Working with Certain Advantage We go the extra mile to find the best people for the job. If you’re hunting for a role where you can make an impact and grow your career, we’ll work with you to find it. We work with businesses across the UK to find the best people in Finance, Marketing, IT and Engineering. If this job isn’t for you, head to (url removed) and register for job alerts and career guidance tips

Make an Impact with Technology That Matters Imagine building software that millions of people rely on to receive critical information. You will be shaping a platform that supports government bodies, national institutions, and education services, helping deliver communications efficiently, securely, and ethically. Right now, a brand-new platform is being built from scratch, and this is your chance to influence its architecture, technology choices, and future direction. You will be joining at the perfect moment to make your mark. What You Will Do \* Shape the architecture of a next-generation SaaS platform \* Build robust microservices that scale and perform \* Develop in .NET and C# on the backend \* Create intuitive, high-performing frontends with React and TypeScript \* Deploy cloud-native solutions in Azure \* Collaborate closely with senior technical leadership, helping set engineering standards \* See your work directly impact real-world public sector users \* You will take ownership, make decisions that matter, and help define how the platform evolves. Why You Will Love This Role \* You will influence a product from day one, your ideas and decisions will shape the future \* You will work on meaningful projects that make public sector communications more reliable, efficient, and ethical \* You will have autonomy once onboarded, with flexibility to work remotely \* You will be part of a small, collaborative team where your input is heard and valued \* You will learn and grow alongside highly experienced technical leadership What You Bring \* Deep experience in .NET/C# and building backend services \* Strong React skills, with a solid understanding of its fundamentals \* Experience designing or contributing to microservices architectures \* Confidence in containerisation (Docker) and cloud-native solutions (Azure) \* A solid grasp of SOLID principles, clean architecture, and maintainable code Bonus if you have worked in SaaS, public sector systems, or scalable high-availability platforms. How You Will Start Month 1 – Office-Based in Epsom \* Weeks 1–2: Immerse yourself in the product and business, meet the team, and understand the roadmap \* Weeks 3–4: Start hands-on development, working closely with the CTO, gradually taking ownership and ramping up at a pace that suits you After onboarding: \* Work remotely with flexible arrangements \* Required office attendance once every 3-week sprint (Mondays) \* Take full ownership of your work and influence the platform All recent hires have been fully productive within the first month. You can too. Who You Are You are someone who: \* Wants to build things properly from the ground up \* Loves solving complex technical challenges \* Cares about clean, maintainable architecture \* Wants your work to have visible, real-world impact \* Thrives in a collaborative team but can work autonomously \* Are happy to travel to Epsom, particularly during the first month for onboarding and induction \* Has the right to work in the UK (please note that visa sponsorship is not available) If you want more than just another job and want to help shape a platform that matters, this is the role for you

8 months
London - hybrid 1-2 days onsite every 2 weeks
Inside IR35 - Umbrella only

Skills required:

• Intermediate to advanced practical experience with: React and TypeScript Python AWS services i.e. Athena/Glue, DynamoDB, ECS, S3, Lambda, SQS, Step Function, etc
• Automated testing frameworks for Python and JavaScript Terraform for infrastructure-as-code Agile delivery workflows
• Tooling experience: Git Jira Confluence

Desirable (Nice to Have):

• Cypress GitHub Actions Splunk

Soft Skills & Behaviours:

• Clear and confident communicator, able to work with designers, product teams, testers, engineers, and external partners.
• Highly collaborative, supporting team success and contributing to shared goals.
  Positive, engaged, and proactive, bringing energy to team ceremonies and wider delivery activities.
• Comfortable with change, able to work through evolving requirements or priorities.
• Keen to learn and share knowledge, contributing to code reviews, pair?programming, and community?of?practice activities.
• Experienced working within Agile delivery, contributing to stand-ups, planning, reviews, retrospectives, and show?and?tell sessions.
• Delivers with quality, making sensible trade-offs and managing technical debt thoughtfully.
• Stays informed about modern technologies and practices, promoting proportionate adoption of tools that add value.

Full Stack Software Engineer React Typescript Java Banking London

This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank

Role details

• Title: Full Stack Software Engineer
• Technical focus - React (75%) and Java (25%)
• Employer: front office banking derivatives
• Permanent role salary 85- 125,000 plus bonus and pension
• Location: London City and home working hybrid 50/50%
• Technical stack: primarily Front end React/ typescript node.JS focused with a java base

This is an VP Banking front office Full Stack Software Engineer which is primarily GUI focused on React, 70% and some back end with Java 30%

This is a front office derivatives investment bank, and you will be working with international teams on big front office trading projects

This role will be interviewed in December, and offer out in January

Position Description

Derivatives Front Office Full Stack Application

We’re looking for a Software Engineer for our front office suite of application supporting trading, marketing, trade analysis and research.

You will be a Hands-on Full Stack developer using React as front end and Java 21 as the primary language for back end

Work with other teams including Front office risk teams, trading desk, Quants, and DevOps to build state of the art front to back pricing and risk solution

This is an interesting role in a thriving area of the bank

For more information, and the chance to be considered, please do send through a CV- Good luck

React and java and full and stack and (bank or derivatives)

To find out more about Huxley, please visit (url removed)

Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy Registered office 8 Bishopsgate, London, EC2N 4BQ, United Kingdom Partnership Number OC(phone number removed) England and Wales

We’re looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You’ll be instrumental in our transition away from Drupal as we modernise and scale our platform.

Tech Stack:

• At least 6-8 years commercial experience with Node, JavaScript or TypeScript
• Exposure of Laravel and/or Python (Django or Flask a plus)
• Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.)

What You’ll Do:

• Build scalable applications using modern frameworks and clean architecture
• Contribute to backend services and APIs (Python or Laravel-based)
• Help re-platform and migrate to a modern stack
• Collaborate cross-functionally with UX, Product, and DevOps

What We Offer:

• A supportive environment that encourages professional growth and continuous learning.
• An inclusive, collaborative culture within one of the UK’s leading business services providers.
• A competitive salary and benefits package.

49904MS

INDLON

Portfolio Payroll Ltd is acting as an Employment Agency in relation to this vacancy.

• Senior Front-End Developer (Creative Technologist)
• 6-month contract (initially)
• Market Rates
• Inside IR35
• Remote Working (+ x1 day per week in central London)

The Opportunity

Our client is seeking a Senior Creative Technologist / Senior Front-End Developer to play a pivotal role in shaping the future of their digital experience delivery.

Joining a forward-thinking organisation at the intersection of design, technology and innovation, where you will help define how advanced prototypes and production-ready digital platforms are conceived, engineered and delivered.

You will be consulting alongside the Technology Director, Lead Visual Designer and an established Offshore Development team to ensure creative ideas are not only technically achievable but executed to an exceptional standard.

The successful candidate will bring experience partnering with leading, high profile, global brands providing creative technology consultancy that aligns creative ambition with technical feasibility across multidisciplinary creative and development teams.

The Role:

This is an opportunity to influence the delivery of globally recognised digital experiences while working within a highly creative and technically ambitious environment where you will have genuine input into technology direction, innovation strategy and creative execution.

You will operate as a senior technical voice within the business, translating conceptual ideas into high-performance digital experiences while influencing architectural and technology decisions across a range of complex projects.

NB: This role is remote-first, with collaborative in-person sessions in the central London office one day per week.*

Skills and Experience

Essential

• Minimum of 7 years professional front-end development experience, including senior or leadership responsibility
• Expert knowledge of JavaScript, TypeScript, React and modern build pipelines
• Proven experience delivering technically complex prototypes and digital products with a strong background in creative technology and interactive digital experience development
• Advanced experience with animation frameworks such as GSAP, Lottie or Framer Motion, with experience integrating APIs, headless CMS platforms and cloud-based architectures
• Demonstrated experience collaborating across global and cross-functional teams, possessing strong communication skills with ability to engage both technical and creative stakeholders

Desirable

• Experience with web-based 3D technologies including Three.js, WebGL or shader development
• Exposure to AI or machine-learning driven creative workflows
• Previous experience within digital agencies, creative studios or innovation environments

Role and Responsibilities:

Creative Technology Leadership

• Lead development of high-fidelity prototypes, proof-of-concepts and immersive digital experiences
• Drive adoption and exploration of emerging technologies including AI-driven creative tooling, WebGL, WebAR, immersive web and creative coding techniques
• Translate conceptual and design-led thinking into scalable technical solutions
• Provide technical insight to creative and strategic stakeholders on feasibility, innovation opportunities and implementation approaches

Senior Front-End Engineering

• Own the front-end architecture and delivery across complex digital builds
• Develop sophisticated, high-performance interfaces using React, TypeScript, and modern front-end tooling
• Contribute to the evolution of component libraries and internal design systems
• Deliver best-in-class animation, interaction, accessibility and performance optimisation

Cross-Disciplinary Collaboration

• Partner closely with design leadership to deliver visually exceptional, pixel-perfect user experiences
• Support technical discovery, scoping workshops and stakeholder presentations
• Mentor developers and promote knowledge sharing across distributed teams

Innovation and Standards

• Evaluate and introduce emerging frameworks, tools and methodologies
• Champion best practice across performance, testing, accessibility and development workflows
• Contribute to long-term creative technology strategy and capability development

Applications:

Please contact Edward here at ISR Recruitment regarding this newly created contract role working as a Senior Front End Developer (Creative Technology) on an Inside IR35 basis; as well as learning more about our client and how they are leading the way in developing the next generation of technology solutions within their sector through innovation and transformational technology?

Ready to keep quality at the heart of projects with impact?

Do you want to make a real impact by ensuring quality in services? Are you ready to grow your skills in a supportive, knowledge-sharing community where you can achieve your potential?

We’re a growing tech consultancy that creates user-centred solutions with purpose for our clients in government, healthcare and purpose-driven businesses. As a Quality Assurance consultant, you’ll ensure that quality assurance is considered from the start through testing, questioning and improving. You’ll apply your adaptability and communication skills across a variety of projects, working with a vibrant QA community that champions learning and knowledge sharing.

The role

You’ll work on public and private sector projects. You’ll likely be working as a lead software quality engineer on internal and client-facing projects, contributing to the leadership of teams.

Leading by example and promoting the Opencast approach, you’ll support colleagues to develop knowledge and work through challenges in all testing types. You’ll decide the best thing for your team to be working on. You’ll collaborate with team members, clients and users to ensure that high quality is maintained and best practices are followed throughout the project. You’ll adapt to different tools and technologies, advising on the best ones to use.

You’ll ensure that work is carried out in accordance with Opencast’s quality, environmental, and information security policies and procedures, as well as applicable customer policies, standards, and procedures while working on client.

Requirements

Due to the nature of this role, applicants must either currently hold active Security Check (SC) Clearance or be eligible to obtain it.

Eligibility typically requires UK citizenship and continuous residence in the UK for the past five years, with no single absence exceeding 28 consecutive days. As a result, we are unable to progress applications from candidates who do not meet these requirements.

Essential experience

To succeed in this role, you must have experience working as a lead software tester on multiple complex projects and have a good understanding of what it means to be a senior consultant.

In your CV and at interview, you’ll need to show experience of:

• Your working area and how you apply this to your role

• Functional and non-functional automation testing using Playwright with Typescript

• Creating test documentation

• Resolving complex issues and presenting findings to stakeholders

• Creating tasks from high-level requirements

• Defect triage

You’ll need a good understanding of:

basic principles of programming paradigms, such as object-orientated programming and procedural programming

the concepts and benefits of OAT testing.

As well as QA skills, there are essential core skills you’ll need to be a great consultant.

In the interview, we will assess how you have:

• Demonstrated strong attention to detail and focus on high-quality outcomes

• Took a methodical approach to resolving complex problems

• Respectfully challenged decisions or solutions when necessary

• Communicated effectively with both technical and non-technical stakeholders

• Proactively sought solutions to mitigate risk

• Raised risks and issues using the appropriate tools and processes

• Built strong working relationships and successfully resolved conflicts

• Led project meetings and actively contributed to workshops and events

Desirable experience

Some areas of experience are not essential but relevant to the role:

• UK government service standards

Salary

Senior consultant salary range: £56,001-£60,000 per annum

What we offer

A competitive package including a 7% employer pension contribution, share options and a discretionary bonus. You’ll also benefit from flexible working hours (aligned to client commitments), 25 days’ holiday, and access to 3 annual “life happens” days to support unexpected situations. We also offer wellbeing support, ongoing professional development, volunteering opportunities and the chance to be part of a genuinely supportive team.

Where you’ll work

This role requires regular on-site attendance across our HQ, hub offices, client sites and home. Applicants must be able to commute to offices and client sites as part of their normal working arrangements, as travel is essential to fulfilling the responsibilities of the role.

We include you

We welcome candidates from all identities, attributes, ways of thinking and backgrounds to thrive in a career at Opencast. Our aim is for the diversity of our people to be reflected in the solutions we deliver, to help create a fairer society for all.

Interview

Interviews will be conducted via Microsoft Teams. We’re happy to make adjustments to support your needs.

Want to know more?

Visit our website or email careers@opencastsoftware.com

We are not working with recruitment agencies on this vacancy. If you are interested in this position, please apply directly with Opencast.

Founding Full-Stack Engineer (Greenfield Digital Banking) Central London 4 days onsite Full-time 90,000 - 100,000 + 15-20% bonus

We’re working with a highly successful, family-owned international private bank to hire a Founding Full-Stack Engineer for a brand new, greenfield digital banking build based in Central London.

This is a rare opportunity to join right at the beginning of a newly formed product team and help build a next-generation digital banking experience from first principles deliberately outside of legacy systems. The environment is genuinely “startup-style” (small team, high ownership, fast delivery), but backed by serious scale, long-term investment, and a strong focus on quality, stability and client trust.

The role As one of the first engineering hires, you’ll play a key part in shaping:

• the technical foundations
• engineering standards
• architecture and system design
• how the team builds and ships product

You’ll work closely with Product and Design, delivering secure, high-quality digital experiences for high-value clients and complex workflows.

What you’ll do

• Design, build and maintain end-to-end features across frontend and backend
• Architect scalable, secure and maintainable systems for private banking / institutional use cases
• Own key technical decisions, balancing delivery speed with long-term quality
• Build APIs, services, data models and modern web experiences
• Establish high standards of engineering quality through testing, reviews and automation
• Contribute to platform foundations, shared components and internal tooling
• Embed security, performance and resilience best practices into everything you ship
• Help define engineering standards and ways of working as the team grows

What we’re looking for

• 8-12+ years’ experience as a full-stack or senior engineer owning production systems
• Strong experience building modern web applications across frontend and backend
• Frontend expertise with modern frameworks (React, TypeScript or similar)
• Strong backend experience (Node.js, Java, Python or similar)
• Solid understanding of APIs, architecture, databases and cloud infrastructure
• Exposure to CI/CD and modern DevOps practices (containers, Kubernetes, automation)
• Comfortable being a technical owner in open-ended / ambiguous environments
• A builder mindset - pragmatic, delivery-focused, and quality-led
• Experience in financial services / fintech / regulated environments is beneficial but not essential
• Strong awareness of security, privacy and compliance considerations is highly valued

Why this opportunity stands out

• Genuine greenfield build with meaningful ownership from day one
• Founding hire in a small, high-calibre team
• Startup-style delivery with the backing of a global financial institution
• Direct access to decision-makers and influence over product direction
• Quality-first culture focused on trust, stability and long-term value
• Competitive salary + strong bonus + benefits

Front End React Developer, React, Javascript, NW London to £75K

A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows, specifically Redux and RTK. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

Responsibilities

• Developing new user-facing features using React.js
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high quality code
• Optimising components for maximum performance across a vast array of web-capable devices and browsers

Skills

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Experience developing with typescript
• Thorough understanding of React.js and its core principles
• Experience with Redux and RTK (RTKQuery also a bonus)
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools (Github actions a bonus)
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with git
• Experience with React Native is a bonus

THIS ROLE IS OFFICE BASED

As a Technical Lead, you ll work directly with the founder to shape the technical vision and execution of a high-growth startup backed by a larger, established group. You ll lead a talented engineering squad, drive architectural decisions, and deliver scalable backend systems that support thousands of users-all while influencing the strategic direction of the product.

This is a hands-on leadership role where you ll combine deep technical expertise with mentorship, strategic thinking, and cross-functional collaboration in a fast-moving startup environment.

The Role Technical Strategy & Leadership

• Work alongside the founder to define and evolve the technical roadmap
• Lead architectural design and critical technology decisions
• Champion engineering best practices, code quality, and technical excellence
• Mentor, coach, and grow engineers at all levels
• Foster a culture of ownership, collaboration, and innovation

Backend Architecture & Development

• Architect, build, and scale backend services and RESTful APIs
• Design, optimise, and maintain MongoDB database solutions
• Improve system reliability, performance, and scalability
• Resolve complex production issues with robust solutions
• Implement microservices and modern backend patterns

Collaboration & Delivery

• Partner with Product, Design, and the founder to deliver high-impact outcomes
• Participate in hiring and technical interviews to grow the engineering team
• Drive improvements in processes, CI/CD pipelines, and DevOps practices
• Ensure effective planning, estimation, and execution across initiatives

Core Technical Expertise

You ll thrive in this role if you have strong experience with:

• MongoDB (data modelling, indexing, aggregation pipelines, performance tuning)
• Node.js and the wider JavaScript/TypeScript ecosystem
• Express.js and/or Fastify
• RESTful API design and distributed systems
• AWS or similar cloud platforms
• Microservices architecture
• Testing frameworks (Vitest, Jest, Mocha, etc.)
• CI/CD pipelines and DevOps best practices
• GitHub workflows
• Observability and monitoring tools (e.g., Datadog)
• Docker and Kubernetes

Tech Stack

You ll be working with:

• Node.js, JavaScript/TypeScript
• Express.js, Fastify
• MongoDB
• AWS
• Vue.js, Nuxt.js

Nice to Have AI Experience

Not essential, but highly desirable:

• Integrating AI/ML models into production systems
• Working with LLM APIs (OpenAI, Anthropic, etc.)
• Prompt engineering
• AI workflow tools (LangChain, Flowise)
• Building internal AI-powered automation tools

Why This Role is Exciting

• Work directly with the founder on a startup backed by a larger, established group
• Influence the technical and product direction from the ground up
• Hands-on leadership in a fast-moving, high-impact environment

Benefits

We genuinely invest in our people. You ll enjoy:

• Remote-first working (offices in London and Manchester)
• Flexible working hours
• 25 days annual leave + 8 bank holidays + 2 Christmas shutdown days
• Option to purchase an additional week of leave

Interested? Please Click Apply Now! Technical Lead - TypeScript / Node.js

Step Into a Career-Defining Role with One of Fintech s Rising Stars

As we continue to grow, we re looking for a Full Stack Developer who thrives on owning features from concept to deployment, bringing strong backend expertise and a keen interest in AI and machine learning integration.

You will be joining a high-impact, award-winning team and take your career to new heights with a game-changing SaaS platform already making waves across the UK, Europe, and North America.

This isn t just a development role - you ll have a genuine voice in shaping the product, the architecture, and the direction of the company.

At Debt Register, we re not just transforming the way global businesses recover payments.

The Role at a Glance:

Full Stack Developer (Mid Level)
Epsom, Surrey HQ - Flexible Home Working
£50,000
Plus Benefits
Full time, Permanent

Awards: Fintech Winners at the CICM British Credit Awards 2023, Credit & Collections FinTech Supplier Award 2023
Clients: Verizon, Informa plc, Zoopla, Rentokil, Haymarket, SSE, Zendesk, Johnson Controls, ADT and More

Culture: Informality and Flexibility, Work-Life Balance, Wellbeing, Personal Growth and Trust

Your Skills: Laravel (Backend Development). React & TypeScript. Fintech SaaS. AI / OpenAI API Integration. MySQL & API Development. Docker & CI/CD.

Who we are:

We are Debt Register.

We power a financial tool that solves a problem for the majority of B2B Global companies irrespective of size, with a working monetisable model and a path to Global scale.

Having recently launched our MVP, we are currently working with new clients to elicit feedback and improve the usability to support scalable growth.

Feedback from industry professionals has been extremely positive. Our product offering is enhanced further by the current economic landscape.

The Full Stack Developer Role:

You ll be working across our Laravel and React stack, with most of your time spent on the backend, building services, designing database schemas, writing jobs and queues, and working with APIs. Frontend work comes up, and you should be comfortable enough with React and TypeScript to contribute, but backend is the focus.

A growing part of this role involves building and expanding our AI capabilities, from integrating with OpenAI s APIs to exploring in-house model training and fine-tuning.

You ll help shape how we use AI to improve collection rates, automate communications, and build predictive analytics.

Your responsibilities:

• Building and owning backend features in Laravel (services, jobs, controllers, Eloquent models)
• Developing AI-powered functionality, including automated responses, predictive analytics, and risk scoring
• Integrating with OpenAI APIs and exploring in-house model training and fine-tuning
• Creating data pipelines to support ML workflows, from preparation to deployment and monitoring
• Writing and maintaining APIs for our React/TypeScript frontend
• Contributing to frontend development in React when needed
• Writing unit and feature tests (PHPUnit, occasional Dusk)
• Managing MySQL databases, migrations, and query optimisation
• Building and maintaining background processing with Horizon and Redis
• Participating in code reviews and maintaining quality standards (PSR-12, PHPStan, Pint)
• Working with Docker (Laravel Sail) and contributing to CI/CD deployments
• Collaborating via GitHub PRs and (url removed)

About you:

• 3+ years professional development experience with strong backend expertise
• Solid Laravel experience (service container, Eloquent, queues)
• Strong MySQL knowledge and query optimisation skills
• Genuine interest in AI/ML, with experience integrating AI APIs (OpenAI or similar a plus)
• Working knowledge of React and TypeScript
• Experience writing automated tests
• Confident with Git workflows and pull requests
• Comfortable with (or willing to learn) Docker-based environments
• Clear written communication skills

Nice to have:

• Experience with model training, fine-tuning, or ML frameworks (Python, PyTorch, scikit-learn)
• Building and deploying ML data pipelines
• AWS experience (ECS, S3, RDS, Elastic Beanstalk)
• Redis and queue-based architectures
• Third-party API integrations (Stripe, Twilio, SendGrid)
• CI/CD pipelines (e.g. GitHub Actions)
• SaaS or multi-tenant platform experience
• Exposure to fintech, debt collection, or regulated industries

How we work:

• User stories are managed on (url removed)
• Code quality is enforced through automated testing, PHPStan static analysis, and Laravel Pint formatting
• CI/CD pipeline with automated deployments
• CloudWatch for monitoring

What we offer:

• 25 days holiday + your birthday off (if it falls during the working week)
• Flexible working office is in Epsom, Surrey, but home working is entirely your call
• Personal growth budget memberships to Audible, Spotify, or anything else that helps you grow personally
• 40 hours per week we respect your time
• Autonomy and trust you ll be self-motivated and free-speaking, and we ll give you the space to do your best work

This is a rare opportunity to join a fast-growing, award-winning FinTech at a pivotal stage - post-MVP, scaling with enterprise clients, and building the foundations for global growth.

Interested? Apply here for a fast-track path to the Hiring Manager

Application notice We take your privacy seriously. When you apply, we shall process your details and pass your application to our client for review for this vacancy only. As you might expect we may contact you by email, text or telephone. Your data is processed on the basis of our legitimate interests in fulfilling the recruitment process. Please refer to our Data Privacy Policy & Notice on our website for further details.

If you have any pre-application questions please contact us first quoting the job title & ref. Good luck, Team RR.

Senior Software Engineer - C#, .Net, TypeScript, JavaScript

• Hybrid, 2 days in the office which is located near Liverpool Street
• 70,000 - 90,000

If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, this is an opportunity to do exactly that.
We’re hiring for a growing, well-funded SaaS business building a sophisticated, data-driven platform that helps organisations understand and manage complex information at scale. The company is in an early investment phase with strong growth ambitions, offering real scope for progression and the chance to help shape both the product and engineering direction. You’ll be part of a bright, collaborative team of talented software engineers and academically strong problem-solvers who value clean design and thoughtful architecture.

The Role
As a Full Stack Engineer, you’ll design and deliver features across a modern stack, working on scalable backend services and intuitive front-end applications that present complex data clearly.
Key Responsibilities:

• Building full-stack features using C#, .NET and TypeScript/React
• Developing scalable backend services for complex data workflows
• Creating responsive, user-friendly interfaces
• Exploring new technologies and contributing to technical improvements
• Working collaboratively in an agile engineering environment

About You

• Strong commercial experience as a Software or Full Stack Engineer
• Solid experience with C# / .NET and modern JavaScript or TypeScript (React preferred)
• Strong problem-solving ability and a collaborative mindset
• A strong Bachelor’s degree in Computer Science, Mathematics, or a related field is highly desirable

Why Join?

• Technically challenging, data-driven SaaS product
• Work alongside a highly capable and intellectually strong team
• Excellent learning opportunities and clear progression as the company grows
• Hybrid working, 2 days onsite near Liverpool Street
• Salary up to 90,000 plus benefits

If you’re looking for a role where you can learn quickly, tackle interesting technical challenges, and grow with an ambitious product business, hit apply!

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.