Day rate: 500 - 550 Inside IR35

Location: London

Key Responsibilities

• Design, build, and maintain scalable data pipelines, ETL processes, and data integrations.
• Develop and optimize data models, storage solutions, and analytics environments.
• Partner with UX/UI designers to create user-friendly dashboards, data tools, and internal products.
• Implement visualizations that make complex datasets understandable for technical and non-technical users.
• Work with cross-functional teams to translate product requirements into technical designs.
• Ensure data quality, governance, and best practices across systems.
• Contribute to the evolution of our design systems and front-end components for data tools.

Required Skills & Experience

• Proven experience as a Data Engineer, BI Engineer, or similar role.
• Strong proficiency in SQL, Python, and modern data engineering frameworks (e.g., Airflow, dbt, Spark, etc.).
• Experience with cloud platforms such as AWS, Azure, or GCP.
• Solid understanding of data warehousing and ETL/ELT architecture.
• Demonstrable UX/UI skills: wireframing, prototyping, and designing clean, intuitive interfaces.
• Experience with front-end technologies (e.g., React, Vue, or similar) is a plus.
• Familiarity with visualization tools (e.g., Tableau, Power BI, or custom solutions).

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.

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.

Software Developer - Hybrid - Leicestershire - C# .NET / Azure - £35,000

The Role

An exciting Software House in Leicestershire are looking for an eager Software Developer to join their growing team. You will be working on various Transport and Logistics solutions, building scalable C# .NET systems, using the latest technologies.

You will be collaborating with 3 other developers, reporting into the CTO, working on a combination of existing systems, greenfield projects and other areas of the technical sphere.

There will be many opportunities to learn and develop your position and career. With lots of learning resources, as well as access to platforms like Pluralsight, you will always be able to improve your Development skills.

Requirements

Minimum 3 years of experience in C# .NET Development Environment

SQL Server

Azure DevOps (CI/CD)

JavaScript, HTML + CSS

Agile Development Experience

Personable nature with great communication skills

Desirables

C# .NET Core

Azure cloud experience (App Services, Functions, Storage, Service Bus, etc.)

Experience with front-end frameworks such as React or Vue

Bootstrap Experience

The Company

This company produce a range of solutions to their sector, working with some large clients across Europe including Carlsberg, Nestle and other global brands. This has helped them grow from a small company when they started over 30 years ago, to a leader within their niche.

On top of collaborating within the technical team, there will be further collaboration with other stakeholders, both internally and externally which encourages a real family feel.

The role is offering a salary of £35,000 with further benefits that include hybrid working (2/3 days a week in office), access to a range of L&D resources, private healthcare, pension scheme plus much more.

Apply Now

If you’re an enthusiastic Software Developer with around 3 years’ experience looking to work on exciting projects ad progress your career, then this is the role for you!

Software Developer - Hybrid - Leicestershire - C# .NET / Azure - £35,000

Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy.

To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

TPBN1_UKTJ

HL is the UK’s largest direct-to-consumer savings and investment platform, trusted by over 2 million clients and administering more than £172 billion in assets. Founded in 1981 and headquartered in Bristol, our purpose is to help people achieve financial freedom by providing a single, secure home for their savings and investments.

We continue to accelerate its digital transformation leveraging data, cloud driven technologies, AI, and modern technology to deliver personalised, world-class financial experiences at scale. With over 40 years of industry leadership and an award-winning service, we remain a market-leading financial services innovator committed to empowering clients to save and invest with confidence.

Role Overview

As a Senior Software Engineer, you will lead the development of our mobile applications, ensuring they are reliable, secure, scalable, and delightful to use. You’ll collaborate with product managers, designers, backend engineers, QA automation engineers to support a part of the HL platform.

You’ll have the opportunity to influence architectural decisions, mentor other Engineers, and drive best practices across our mobile engineering discipline.

What You’ll Do

• Build and maintain a high-quality React Native application.
• Architect scalable mobile solutions that meet the demands of financial applications (security, performance, reliability).
• Integrate with RESTful and GraphQL APIs and collaborate closely with backend teams.
• Optimize app performance, including memory usage, load times, and smooth UI interactions.
• Implement high-security standards such as encryption, biometrics, and secure data storage.
• Lead code reviews, share best practices, and mentor junior developers.
• Work cross-functionally with designers, PMs, and QA to deliver features end-to-end.
• Stay up to date with the latest in React Native and mobile technologies.

What We’re Looking For

• 8+ years of professional mobile development experience, with 5+ years using React Native.
• Strong knowledge of JavaScript/TypeScript, ES6+ features, and modern React patterns.
• Experience integrating third-party libraries, analytics tools, and mobile SDKs.
• Strong understanding of secure mobile development, especially within financial or regulated environments.
• Familiarity with state management.
• Experience with CI/CD pipelines for mobile apps.
• Strong debugging skills, including performance profiling and memory optimization.
• Excellent communication skills and experience working in agile environments.

Nice to Have

• Experience with native iOS (Swift) or Android (Kotlin/Java).
• Experience in fintech or banking applications.
• Familiarity with feature driven modular architecture.
• Experience working with feature flags.
• UI automation testing experience.

Interview Process

Stage 1 - Discussion with our Hiring Manager (30 mins)

A brief conversation to explore your background, motivations, and fit for the team and role.

Stage 2 - Technical Interview (60-90 mins)

A hands-on deep dive into your React Native expertise, covering coding, architecture, and problem-solving.

Stage 3 - System Design (60-90 mins)

A high-level design discussion where you outline how you’d architect and scale a complex mobile feature or system.

Package

We offer a competitive salary, depending on experience, alongside a generous performance-based bonus scheme.

Your total reward package includes:

• ?? Up to 19% pension contribution - helping you plan confidently for the future
• ?? Private medical insurance - giving you peace of mind and access to top-tier healthcare
• ?? A wide range of excellent benefits, from lifestyle perks to wellbeing support, designed to help you thrive both in and out of work

We believe in recognising and rewarding the impact you make - and ensuring you feel valued every step of the way.

Working Schedule

We’re based in the stunning Paddington Central offices at 4 Kingdom Street, a modern workspace designed to energise your day and elevate collaboration.

What Makes It Special?

• ?? Landscaped rooftop gardens - perfect for a breath of fresh air or informal catch-ups.
• ?? London’s highest rooftop basketball court - yes, really!
• ??? Wellness amenities including showers, lockers, hairdryers, and fresh towels.
• ?? Cyclist-friendly with secure bike storage and drying rooms.
• ??? Stylish lounge areas, booths, and breakout spaces for focused work or relaxed chats.
• ?? Canalside location near Little Venice, with floating restaurants, coffee shops, and a seasonal pop-up garden bar.
• ?? Unbeatable transport links - just steps from Paddington Station and the Elizabeth Line.

We embrace a hybrid working model that gives you the best of both worlds:

• 1-2 days a week in the office to connect, collaborate, and enjoy everything the space has to offer.
• Remote flexibility for deep focus, work-life balance, and personal productivity.

This is a full-time role, working 37.5 hours per week, Monday to Friday.

Please note, we are unable to offer sponsorship opportunities for this position.

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.

Job Role: Developer
Working Model: Permanent
Location: Hybrid London
Salary: £70,000 + Bonus

Are you a hands-on front-end developer who loves bringing exceptional digital experiences to life?

Do you enjoy shaping world-class user interfaces using modern frameworks like Sitecore, React, Next.js, and SXA?

This is an exciting opportunity to join a growing digital function as part of a new Product Experience (PX) Practice. You’ll play a key role in elevating digital experiences across multiple platforms, working closely with cross-functional product teams to build intuitive, engaging, and high-performing user interfaces.

About the Role

You’ll be responsible for converting UX design into high-quality UI components and building reusable, scalable component libraries across Sitecore JSS, SXA, and React/Next.js.

You’ll collaborate with UX, product, business, and technology teams to deliver user-centric solutions and support wider initiatives through ideation, POCs, and knowledge sharing. You’ll also help drive best practices and raise standards in UI/UX across the organisation.

Key Responsibilities

• Transform UX designs into UI components, workflows, and interfaces using React/Next.js and Sitecore.
• Build robust, reusable component libraries across Sitecore JSS, SXA, and React/Next.js.
• Partner with UX designers, product managers, and business analysts to embed user-centred design.
• Develop components to a high standard, following best practices and optimised performance.
• Contribute to reusable design systems and shared libraries used across projects.
• Engage with developers and cross-functional teams to advocate for user-centric solutions.
• Ensure solutions align with evolving UX standards, guidelines, and toolkits.
• Support POCs, design sprints, and innovation sessions.
• Enhance front-end experiences and overall UI/UX across digital products.
• Upskill colleagues in React, Sitecore, and front-end best practices.

Essential Skills & Experience

• Strong experience as a Sitecore Developer, ideally within a complex or large-scale environment.
• Hands-on experience with Sitecore (JSS, SXA, component libraries) and React/Next.js.
• Experience using tools/services to manage Sitecore XPC (Managed Cloud Offering).
• Knowledge of front-end pipelines and tooling such as Gulp, NPM, Bower, Webpack.
• Practical GitHub experience and familiarity with full development lifecycle.
• Demonstrable experience building applications from scratch.
• Ability to interpret and follow brand guidelines and design standards.
• Deep understanding of user-centred design, accessibility, and responsive design principles.
• Strong communication, facilitation, and collaboration skills.
• Ability to quickly adopt and learn new technologies.

Desirable

• Experience with Sitecore SXA, Pega, or Guidewire Digital platforms.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Office.js Developer (Outlook Add ins) | £500-£550p/day (Inside IR35) | London (Hybrid, 2/3 days in office) | 10 month contract

Our client is looking for a experienced Office Add-in Developer (specialising in Outlook/have worked extensively with) to help support add-in solutions within a enterprise scale messaging environments. The focus of the role will be building robust, cross platform Outlook add-ins that perform across Windows, macOS, web and mobile clients.

It’ll be an exchange landscape that’s both on-premises infrastructure and Microsoft 365, where you will collaborate closely with engineering, product and operations teams in an agile delivery model.

What you’ll be doing:

• Architecting, developing, and enhancing Outlook add-ins using modern Microsoft frameworks and tools
• Ensuring add-ins deliver a consistent experience across all Outlook clients, including desktop, browser, and mobile
• Connecting add-ins to backend systems, APIs, and identity services such as Microsoft Graph and Azure Active Directory
• You’ll be working closely with product owners, architects, QA, and operations
• Maintaining compatibility across Exchange on-premises and Exchange Online deployments
• Producing and maintaining technical documentation, design guidelines, and development standards

What we’re looking for:

• You can demonstrate experience delivering Outlook add-ins within enterprise environments
• Strong hands on skills with Office.js, JavaScript or TypeScript, HTML, and CSS
• Deep understanding of Microsoft 365, Exchange Online, and the behavioral differences between Outlook clients
• Experience integrating with Microsoft Graph, RESTful APIs, and modern authentication methods (OAuth / Azure AD)

Nice to have:

• Exposure to CI/CD pipelines, Git-based version control, and automated testing practices
• Experience with Azure services such as App Services, Functions, Storage, or Key Vault

Candidates will be required to go through background checks before commencing contract.

Must be eligible to live and work in the specified work location . Some occasional travel maybe required. Only successful candidates will be contacted.

EQUAL OPPORTUNITIES Our client is committed to equal opportunities and actively seeks applications from all sectors of the community irrespective of sex, race, colour, nationality, ethnic or national origin, disability, marital status, sexual orientation, having responsibility for dependents, age, religion/beliefs, or any other reason which cannot be shown to be justified

If this sounds like a good fit, apply now!

Office.js Developer (Outlook Add ins) | £500-£550p/day (Inside IR35) | London (Hybrid, 2/3 days in office) | 10 month contract

Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy.

To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

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.

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

Day rate: £500 - £550 Inside IR35 Location: London Key Responsibilities Design, build, and maintain scalable data pipelines, ETL processes, and data integrations. Develop and optimize data models, storage solutions, and analytics environments. Partner with UX/UI designers to create user-friendly dashboards, data tools, and internal products. Implement visualizations that make complex datasets understandable for technical and non-technical users. Work with cross-functional teams to translate product requirements into technical designs. Ensure data quality, governance, and best practices across systems. Contribute to the evolution of our design systems and front-end components for data tools. Required Skills & Experience Proven experience as a Data Engineer, BI Engineer, or similar role. Strong proficiency in SQL, Python, and modern data engineering frameworks (e.g., Airflow, dbt, Spark, etc.). Experience with cloud platforms such as AWS, Azure, or GCP. Solid understanding of data warehousing and ETL/ELT architecture. Demonstrable UX/UI skills: wireframing, prototyping, and designing clean, intuitive interfaces. Experience with front-end technologies (e.g., React, Vue, or similar) is a plus. Familiarity with visualization tools (e.g., Tableau, Power BI, or custom solutions)

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?

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

London (Hybrid)
6 Month Contract
to £700/day (Inside IR35)

Software Developer needed with active SC Security Clearance and strong C#, .NET, SQL, Angular, HTML and JavaScript skills.

6 Month Contract based in Central London (Hybrid). Start ASAP in Feb/March 2026.

Hybrid Working - 2 days/week remote (WFH), and 3 days/week working on-site from the Central London office.

A chance to work with a leading global IT and Digital transformation business specialising in Government projects:

• Experienced Software Developer / Software Engineer needed to join our team working on the development of data modelling solutions.
• Must have in-depth C#, .NET, SQL, Angular, HTML + JavaScript development expertise.
• Experience of Agile methods, Azure DevOps, CI/CD pipeline maintenance + automation scripting, also strongly preferred.
• Banking / Financial Services domain experience preferred.
• Must hold active SC Security Clearance used on a project within the past 12 Months.

Web Developer C#

Kent - Hybrid
£50k + Benefits

Introduction
CV Screen is recruiting for a talented Web Developer with strong C# skills to join a well-established and growing technology-led organisation based in Erith, Kent. This hybrid role offers a salary of £50,000 plus an excellent benefits package. The successful candidate will join a collaborative development team delivering scalable software solutions and visually engaging web applications. Our client has been operating for over 20 years, employs more than 200 staff across the UK, and is known for its continued investment in technology and professional development. This is a fantastic opportunity to make a real impact within a forward-thinking business.

Duties & Responsibilities

• Develop and enhance back-end applications and APIs using C# and .NET
• Create responsive, user-friendly front-end interfaces with a strong focus on UI/UX
• Contribute to sprint planning, task tracking and agile delivery processes
• Manage code through Git and support CI/CD pipelines within Azure DevOps
• Produce high-quality, testable code and resolve defects or performance issues

What Experience is Required

• At least 3 years experience in C# and .NET development with strong OOP knowledge
• Solid front-end skills including HTML5, CSS3 and JavaScript/TypeScript, plus a modern framework (e.g. React, Angular or Blazor)
• Experience with SQL databases, RESTful APIs and software testing practices

Salary & Benefits
Salary of £45,000 £50,000 plus 25 days holiday plus bank holidays, hybrid working, pension scheme, private healthcare, professional development budget and regular team events.

Location
Based in Erith, Kent and easily commutable from Dartford, Bexleyheath, Sidcup, Gravesend, Bromley and South East London.

How to Apply
To apply, please send your CV in strict confidence to Kate Morgan at CV Screen.

Alternate Job Titles
C# Developer
.NET Developer
Full Stack Developer (.NET)
Software Developer C#

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