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Overview
Find your next Frontend Engineer job with Haystack – the go-to IT job board for top frontend developer roles. Explore the latest opportunities in HTML, CSS, JavaScript, React, and more. Whether you're a junior or senior frontend engineer, discover jobs that match your skills and advance your career today!
Senior Software Engineer - Ruby
Spectrum It Recruitment Limited
London
Remote or hybrid
Senior
£95,000
RECENTLY POSTED

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.

TPBN1_UKTJ

Mobile Engineer (iOS)
Blue Light Card
Leicester
Hybrid
Mid - Senior
Private salary
RECENTLY POSTED
+6

Blue Light Card. Individually great, together unstoppable

The Role and the Team

We’re looking for an iOS developer passionate about creating intuitive and impactful apps to join a newly established cross functional team here at Blue Light Card. Now is a great time to join as we’re entering an exciting new chapter! Our tech team is completing a replatforming project, transitioning to a modern, serverless environment. With this foundation in place, we’re poised to embark on innovative greenfield projects that will redefine our app experience.

This is your chance to work at the forefront of technology, contribute to fresh ideas, and play a pivotal role in crafting solutions that make a real difference to our members. If you thrive in dynamic environments and love building exceptional mobile experiences from the ground up, we’d love to hear from you!

What You’ll Do

  • Build great mobile applications with highly readable code. Be a part of the mobile community of practice and champion this within the wider Blue Light Card team

  • Collaborate on designing solutions that meet functional and non-functional requirements following Blue Light Card architectural standards

  • Write clean, maintainable, and testable code while participating in code reviews to ensure coding standards and best practices

  • Work with product managers, designers, and backend engineers to define and deliver features that align with the overall product vision

  • Implement and maintain unit tests and UI tests to enhance code quality. Diagnose and fix bugs or performance bottlenecks to improve user experience

  • Support automated build, test, and deployment processes to ensure seamless and rapid release cycles

  • Document technical requirements, specifications, and decisions to ensure a clear knowledge base and maintainable code

What You’ll Bring

  • Expertise in Swift and SwiftUI, with strong experience in UIKit, Storyboards, and Swift packages for building scalable, high-quality mobile applications

  • Proven ability to implement robust testing using XCTest for unit tests and TestFlight for app testing, ensuring high-quality and reliable code

  • Proficiency in using GitHub for source control and GitHub Actions for CI/CD pipelines to streamline development workflows

  • Experience with shared business logic using Kotlin Multiplatform Mobile (KMM) to enhance cross-platform development and ensure code consistency

  • Familiarity with key tools and services like Amplitude for analytics, Braze for push notifications and in-app messaging, Firebase for Crashlytics, and Stripe for card payments to build engaging, data-driven applications

  • Strong experience with server-driven UI and working with cloud technologies, including deploying serverless applications on AWS and managing app distribution via XCCloud

  • Excellent communication skills, with the ability to collaborate effectively with both technical and non-technical stakeholders, mentor junior developers, and foster a culture of continuous learning and process improvement

Our Culture

Our members, partners and colleagues are at the heart of everything we do.

Our colleagues are integral to helping create the unique experience we deliver, so we’re genuinely committed to creating a place where our team love to work, and people want to join. We work as a team and try to have a bit of fun while we do it, and we recognise the importance of culture and the positive impact it can have on performance for you, the team, our organisation and our members. We believe in attracting the best talent no matter where you are, and have a hybrid working model, with colleagues based in London, the East Midlands and around the country.

We’re also officially recognised as a Top 100 Great Place To Work UK, one of the UK’s Best Workplaces for Wellbeing, Top 100 Best Workplaces for Women and recognised as investors in wellbeing by Investors in People.

What We Offer

  • Hybrid working and flexible hours

  • Free parking and EV charging onsite

  • 25 days plus public holidays, buy and sell and an additional day off for your birthday

  • A company bonus scheme

  • Great social events e.g., Christmas party, family fun day, summer party, sports matches

  • Relaxed dress code and modern office space (games area, chill-out areas, book club, free coffee/tea/soft drinks/snacks)

  • Onsite gym (including access to free HIIT & stretch classes)

  • Learning and development opportunities

  • Group auto-enrolment pension plan

  • Enhanced maternity, paternity, sick pay

  • Company funded private medical insurance

  • Healthcare cashback plan

  • Employee assistance programme (including mental health support)

  • 35 hour working week

Full Stack Software Engineer React Typescript Java
Huxley Associates
City of London
Hybrid
Mid - Senior
£50,000 - £130,000
RECENTLY POSTED

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 Developer (C# / Angular / TypeScript) - Perm - Solihull
INFUSED SOLUTIONS LIMITED
Solihull
In office
Senior
£60,000
RECENTLY POSTED

Job Title: Senior Developer (C# / Angular / TypeScript)

Location: Solihull (Onsite)
Salary: £55,000 - £60,000
Type: Permanent
Sponsorship: Not available (applicants must have the right to work in the UK)

About the Company

Our client is an established software company with a strong reputation for delivering high-quality technology solutions. Due to continued growth, they are looking to hire a Senior Developer to join their experienced engineering team based onsite in Solihull.

This is an excellent opportunity for someone who enjoys working in a collaborative environment where they can take ownership of development work and contribute to the technical direction of projects.

The Role

As a Senior Developer, you will play a key role in designing, developing, and maintaining modern software applications. You will work closely with other developers, product stakeholders, and technical leadership to deliver scalable and reliable solutions.

This is a fully onsite role, ideal for someone who enjoys team collaboration and hands-on development within a fast-moving environment.

Essential Skills

  • Strong commercial experience with C#
  • Solid front-end development skills with Angular
  • Good experience working with TypeScript
  • Experience building and maintaining modern web applications
  • Understanding of software engineering best practices and clean code principles
  • Ability to work collaboratively within an established development team

Responsibilities

  • Develop and maintain high-quality software solutions
  • Work across both back-end and front-end components
  • Contribute to architectural and technical discussions
  • Collaborate with team members to deliver features and improvements
  • Participate in code reviews and support best practice development

What’s on Offer

  • Salary of £55,000 - £60,000
  • Stable and established company environment
  • Long-term career opportunity within a growing team
  • Collaborative and supportive onsite culture
Mid-Level Fullstack Engineer
SR2
Gloucester
Hybrid
Mid - Senior
£55,000 - £85,000
RECENTLY POSTED
+2

Tech for Impact
Location: Bristol / Hybrid
Level: Software Engineer / Senior Software Engineer
Salary: 50k- 84k + equity + benefits

The opportunity
I’ve worked with this team for over 7 years, and they genuinely get better every year. They’re on a mission to equip investors with the tools to steward their capital responsibly -giving people visibility and a real voice over where their money goes, and the impact it has.
They’ve built an industry-leading platform that’s changing how shareholder voting works (for good), and they’re now scaling both their core infrastructure and a brand-new AI product that’s a genuine game-changer.
We’re hiring multiple engineers across the team, either Mid or Senior level, would likee of these hires to have solid cloud/platform experience to help build and scale the foundations everything else runs on.

The role
This is an exciting opportunity to get stuck in at a fast-paced, tech-focused, impact-driven start up. This role is open at Software Engineer and Senior Software Engineer levels, with the level determined by experience, scope, and impact. As a Software Engineer, you will have the opportunity to work autonomously while collaborating closely with product, design, and operational teams to deliver high-quality solutions.
What you’ll bring

They are looking for people who are curious, collaborative, and excited about building great software. You’ll bring:

  • A genuine desire to learn and continuously improve
  • A practical, hands-on mindset when tackling technical challenges
  • Experience working within a team on a well-built web application

You don’t need to tick every box below, they are building a team with complementary skill sets. If you feel you can add value, we’d love to hear from you.

  • Solid foundations in software engineering and computer science, applied to building scalable, maintainable systems
  • Experience writing production code in Go, Python, or TypeScript
  • An interest in writing testable code and a mindset aligned with automation and CI/CD
  • Experience designing and building APIs (REST; gRPC is a bonus)
  • Experience working with data stores such as SQL, NoSQL, or graph databases, including performance and query optimisation
  • Familiarity with cloud and infrastructure tooling (e.g. AWS, Kubernetes, Terraform, Skaffold)
  • Exposure to infrastructure-as-code and modern deployment practices
  • Experience working in a growing or fast-moving product environment
  • Front-end experience, ideally using React

Why them

  • Real ownership over meaningful, mission-driven systems
  • Engineers close to production and decision-making
  • A culture that values learning, feedback, and continuous improvement
  • The chance to shape how capital markets behave - for the better
  • 5-star Glassdoor reviews

Process & benefits

  • 3-stage interview process (including a technical exercise)
  • Salary 50k- 85k DOE + equity
  • Enhanced maternity & paternity leave
  • Wellness budget
  • Private healthcare
  • Flexible working hours
  • Hybrid setup - encouraged 1 day per week in the Bristol office
  • Monthly company-wide get-togethers
Software Developer
Reed Technology
London
Hybrid
Mid
£40,000 - £45,000
RECENTLY POSTED
+2
  • Annual Salary: 40k - 45k, dependent on experience
  • Location: Cannon Street, London
  • Job Type: Permanent - 4 days a week onsite
  • Start Date: Immediately

A new exciting permanent opportunity, for a Software Developer to join an exciting financial bridging loan, property lender organisation in an exciting phase of growth and are now seeking to develop and implement a highly automated lending process. They are currently building an in-house, bespoke software to execute various day-to-day lending analyses and processes. This software is expected to significantly enhance their operating efficiency and scalability, contributing to future growth.

They are now looking to accelerate the development of this software by adding a Software Developer to their current team of 3. This role is backend-focused but will require frontend skills. You will have the opportunity to work closely with key stakeholders in the company.

Day-to-day of the role:

  • Develop and implement frontend and backend components for bespoke software.
  • Collaborate with co-founders and other team members to define software requirements and take the lead on operational and technical projects.
  • Utilise React and Next.js for modern web application development.
  • Use Node.js and related tools for effective backend development.
  • Design and implement effective UIs with a focus on user experience, using TypeScript, JavaScript, and CSS.
  • Integrate frontend and backend aspects of the application using RESTful APIs.
  • Participate in continuous integration and deployment (CI/CD) pipelines.
  • Ensure software quality by incorporating best practices in testing, including TDD.

Required Skills & Qualifications:

  • Strong experience with React and Next.js.
  • Proficiency in Node.js and related web development tools.
  • Proven ability in UI development and design, focusing on clean, intuitive user interfaces.
  • Proficiency in TypeScript and JavaScript.
  • Solid understanding of CSS, styling libraries, and modern styling approaches.
  • Working knowledge of RESTful APIs and frontend-backend integration.
  • Experience with CI/CD pipelines.
  • Understanding of testing practices, including TDD.

Nice to have:

  • Familiarity with cloud platforms such as AWS, GCP, or Azure.
  • Experience with Python/Fast API for backend development.
  • Experience using AI-assisted development tools.
  • Awareness or exposure to Model Context Protocol.
  • Experience working with Figma or collaborating from design files.
  • Exposure to AI agents or agent-based workflows.

Benefits:

  • Competitive salary based on experience.
  • Opportunity to work on transformative technology in a dynamic environment.
  • Exposure to critical and strategic projects.
  • Professional growth and development opportunities.

To apply for this Software Developer position, please submit your CV to be immediately considered for this role.

PHP Developer
CPS Group (UK) Limited
Gloucester
Hybrid
Junior - Mid
£45,000 - £55,000
RECENTLY POSTED

Location: Bristol (Hybrid)
Salary: Up to 50,000 + Benefits

CPS Group are partnering with a fast-growing SaaS technology company, now looking to add a PHP Developer to their expanding engineering team. In this role, you’ll work across the full web application stack, with a strong focus on back-end development while still having room to contribute on the front end.

You’ll play an active part in product design, gain a deep understanding of the domain, and help shape architecture, technology choices, and usability. You’ll also build polished, responsive interfaces that elevate their product suite.

This is a great environment for developers looking to grow. You’ll receive structured support and mentoring from the wider development team, with the opportunity to take on meaningful project work as you progress.

Skills & Experience:

Back End: PHP
Front End: JavaScript, React, HTML/CSS frameworks
Databases: MySQL; experience with SQL Server or PostgreSQL is a plus
Version Control: Git
Solid understanding of application security best practices

If you’re looking to join a collaborative, ambitious engineering team with strong opportunities for development, please get in touch today. Contact: Sam John - CPS Group

By applying to this advert you are giving CPS Group (UK) Ltd authority to hold and process your data for this specific role and any other roles we may deem suitable to you over time. We will not pass your data to any third party without your verbal or written permission to do so. All incoming and outgoing calls are recorded for training and compliance purposes. CPS Group (UK) Ltd is acting as an Employment Agency in relation to this vacancy. Our new privacy policy can be found here (url removed)>

PHP Developer
CPS Group (UK) Ltd
Bristol
Hybrid
Junior - Mid
£45,000 - £50,000
RECENTLY POSTED

Location: Bristol (Hybrid)
Salary: Up to £50,000 + Benefits

CPS Group are partnering with a fast-growing SaaS technology company, now looking to add a PHP Developer to their expanding engineering team. In this role, you’ll work across the full web application stack, with a strong focus on Back End development while still having room to contribute on the Front End.

You’ll play an active part in product design, gain a deep understanding of the domain, and help shape architecture, technology choices, and usability. You’ll also build polished, responsive interfaces that elevate their product suite.

This is a great environment for developers looking to grow. You’ll receive structured support and mentoring from the wider development team, with the opportunity to take on meaningful project work as you progress.

Skills & Experience:

* Back End: PHP
* Front End: JavaScript, React, HTML/CSS frameworks
* Databases: MySQL; experience with SQL Server or PostgreSQL is a plus
* Version Control: Git
* Solid understanding of application security best practices

If you’re looking to join a collaborative, ambitious engineering team with strong opportunities for development, please get in touch today. Contact: Sam John - CPS Group

By applying to this advert you are giving CPS Group (UK) Ltd authority to hold and process your data for this specific role and any other roles we may deem suitable to you over time. We will not pass your data to any third party without your verbal or written permission to do so. All incoming and outgoing calls are recorded for training and compliance purposes. CPS Group (UK) Ltd is acting as an Employment Agency in relation to this vacancy. Our new privacy policy can be found on our website

Klaviyo Email Developer - Contract - Remote - Outside IR35 - £350-£425 per day
Nicoll Curtin Technology
Not Specified
Fully remote
Mid - Senior
£350/day - £425/day
RECENTLY POSTED

Klaviyo Email Developer

Contract | Remote | Outside IR35 | £350-£425 per day

Role: Klaviyo Email Developer
Location: Fully Remote (UK)
Rate: £350-£425 per day
IR35: Outside

An experienced Klaviyo Email Developer is required to support a specialist CRM consultancy delivering email and SMS life cycle campaigns for marketing agency clients.

Key Responsibilities

  • Build responsive HTML/CSS email templates
  • Develop automated flows and transactional messaging in Klaviyo
  • Create dynamic content using Django or similar frameworks
  • Build integrations using JSON and Python
  • Conduct QA and inbox rendering testing
  • Manage SMS campaigns in Postscript or equivalent platforms

Required Skills

  • Strong Klaviyo build experience
  • HTML/CSS for email
  • Python and JSON integration knowledge
  • Deliverability and A/B testing experience
  • Experience working across multiple client accounts

Fully remote | Outside IR35 | Immediate start available

Software Engineer
Matchtech
Portsmouth
Hybrid
Graduate - Junior
£50,000 - £70,000
RECENTLY POSTED

About the Role:
We are seeking talented Software Engineers at various experience levels to join our UK-based software development team. The successful candidates will design, implement, and maintain high-quality software solutions in an agile environment. You will work primarily in C++ using modern tools and open source frameworks, contributing to innovative software for advanced navigation and important systems.

Key Responsibilities:

Capture and evaluate technical requirements, estimating delivery timescales and milestones.

Design, implement, and maintain software across back end, communication infrastructure, and client-server applications.

Develop front-end graphical user interfaces.

Conduct software testing, including unit tests and simulations; document results.

Evaluate and recommend new technologies, tools, and processes to maintain high standards of software quality.

Collaborate with team members and stakeholders to ensure timely delivery of projects.

Essential Skills & Experience:

Proficiency in C++ and object-oriented programming.

Strong debugging, fault isolation, and problem-solving abilities.

Knowledge of data structures, algorithms, and software design patterns.

Experience with code configuration management systems (e.g., Subversion).

Understanding of network programming, data serialization, and database design/administration.

Front-end UI design and development experience.

Familiarity with component-based development concepts (e.g., SOA, UI plugins).

Ability to develop communication links to third-party sensors or software applications (e.g., cameras, radar trackers).

Effective collaboration within agile (SCRUM) teams; ability to work with initiative.

Commitment to continuous learning and keeping up to date with new technologies.

Desired Technologies:

C++, Qt Framework, QML, STL, XML, ACE, POCO, GStreamer.

Network programming (UDP/TCP).

PostgreSQL or similar database systems.

Cross-platform build tools (MPC, CMake).

Operating systems: Windows, Linux.

Experience with publish-subscribe middleware architectures such as DDS.

Education:

Degree in Computer Science or a related technical field.

Benefits:

Salary range: £50,000-£70,000 per year.

Company pension and life assurance.

Private medical insurance.

25 days annual leave plus public and bank holidays.

Flexible working hours and hybrid/remote options.

Professional development and training opportunities.

Flexible benefits including electric vehicle, cycle-to-work scheme, and tech vouchers.

Option to trade up to 5 days of annual leave

Front End Developer
ISR RECRUITMENT LIMITED
London
Hybrid
Senior - Leader
£600/day - £700/day
RECENTLY POSTED
  • 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?

Software Developer
Synergy Resourcing Solutions Limited
Stowmarket
Hybrid
Mid - Senior
£40,000
RECENTLY POSTED
+3

Hybrid | Permanent | £40,000 We’re recruiting a Software Developer to work on a suite of internal business applications. It’s a hands-on role covering new development, ongoing improvements, bug fixes and integrations with third-party services. The award-winning business is investing in its systems and you’ll be part of ongoing development and improvement work. What you’ll be doing: * Designing, building, testing, deploying and documenting solutions in .NET * Maintaining and improving existing applications * Building and consuming APIs / web services, including third-party integrations * Working with SQL Server (schema changes, stored procedures/queries, data fixes as needed) * Writing OO code and contributing to shared standards * Translating requirements into deliverable technical work and keeping progress visible to stakeholders What you’ll need: * 3+ years commercial experience with C#, .NET (ASP.NET / .NET Core) * Strong working knowledge of SQL Server * Solid front-end fundamentals: React, JavaScript * Experience working with APIs and web services * Confident working with Visual Studio * Practical delivery experience using Azure DevOps or Jira (or similar) Apply to learn more about the opportunity

Senior Software Engineer - Ruby
Spectrum IT Recruitment
London
Remote or hybrid
Senior
£80,000 - £95,000
RECENTLY POSTED

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.

Full Stack Developer
ISR RECRUITMENT LIMITED
Not Specified
Remote or hybrid
Mid - Senior
£300/day - £325/day
RECENTLY POSTED
+4

The Opportunity:

We are seeking a Full Stack Developer to join a live GOV-UK service environment in a hands-on role within an agile, autonomous delivery team.

You will contribute across both backend and frontend development, helping refine and evolve a live digital service where user impact and service reliability are paramount.

The role requires strong technical delivery capability, sound engineering judgement and the confidence to engage constructively with both technical and non-technical stakeholders.

This is not a maintenance-only position, you will play an active role in architectural discussions, continuous improvement and shaping the technical direction of the service.

Skills and Experience:

  • Ruby on Rails
  • Java (Spring Boot)
  • AWS
  • Experience deploying and managing serverless applications within AWS (Lambda and/or Fargate).
  • Infrastructure as Code experience using Terraform.
  • Solid working knowledge of PostgreSQL.
  • Experience with Git, CI/CD pipelines and cloud-based development environments.
  • Proven experience working within agile teams on live services, working closely with user-centred designers.
  • Experience working within GDS/GOV-UK service standards would be ideal.

Role and Responsibilities:

  • Build and maintain backend services using Java (Spring Boot) and PostgreSQL.
  • Develop and enhance frontend functionality using Ruby on Rails and GOV-UK frontend.
  • Contribute to architectural decisions and technical direction.
  • Write clean, maintainable, well-tested code in line with modern engineering standards.
  • Participate in code reviews, agile ceremonies and iterative delivery cycles.
  • Ensure changes are assessed carefully for impact on live users.
  • Support demonstrations and provide clear technical updates to clients and stakeholders.
  • Collaborate with technical and non-technical stakeholders to refine and improve a live GOV-UK service.
  • Working alongside user-centred designers to improve user experience.
  • Engaging directly with clients and explaining technical concepts clearly.

NB: The successful candidate will be required to undergo a basic level of security clearance before undertaking the assignment (two to four weeks lead-time).

Applications:

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

Software Developer - Rotherham / Castle Donnington
AFI group of companies
Rotherham
Hybrid
Graduate - Junior
Private salary
RECENTLY POSTED
+3

Do you want to build real software that real people use every day? At AFI, you’ll be working on the digital tools that keep a national powered access business running, from the portals our customers log into, to the integrations that connect our operations behind the scenes. It’s varied, it’s hands-on, and there’s always something interesting to get stuck into. We’re looking for a talented Software Developer to join us, based from either our Castle Donington or Rotherham office depending on which is closer to you. Whether you’re a recent graduate with strong fundamentals and a hunger to learn, or an early-career developer looking for a role where you can genuinely own what you build, we’d love to hear from you. About the RoleWhat you’ll be working on: • Building and improving customer-facing portals • Connecting systems (CRM, rental software, finance platforms) • Writing both frontend and backend code • Working directly with non-technical teams to understand real problems We’re a small dev team. That means real ownership. If you ship something, it goes live. If you improve a process, people notice. What you’ll get: • Hybrid working arrangement • A role where your contributions are genuinely noticed and valued • Exposure to a wide variety of systems, languages, and real business problems • A stable position within a fast-growing national company Benefits 25 days holiday, plus statutory holidays. Inclusion in a profit share scheme. An auto-enrolment pension scheme with employer contributions (from aged 22, but voluntary enrolment can be made before this age. Opt-out available). Death-in-Service benefit of 2 x salary. Healthcare cash plan. MyAFI, a comprehensive employee benefits, rewards, and discount programme. Benefits include Cycle2Work scheme, Aviva private medical insurance, and Holiday Trading, to name a few. Christmas Bonus Payment (Discretionary). Requirements We care more about how you think than what’s on your CV. That said, it’ll help if you have some of the following: • A degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience) • A solid grounding in web development - HTML, CSS, JavaScript and at least one backend language (we work primarily with PHP) • Comfort working with databases and APIs, and an understanding of how systems talk to each other • Familiarity with version control using Git, whether that’s through GitHub, Bitbucket, or similar • Good communication skills - you’ll work directly with colleagues across the business, not just within IT Someone who picks up new technologies without too much hand-holding, and who’s not afraid to dive into an unfamiliar codebase. Experience with Laravel, SvelteKit, or Microsoft SQL Server is a bonus but far from a dealbreaker. Familiarity with cloud platforms or deployment tools such as AWS or Vercel is also useful, though not essential. Bonus points if you’ve experimented with AI-assisted development tools like Claude Code or Cursor. We’re a team that’s interested in working smarter. We’d also love to see a portfolio, personal projects, or anything on GitHub that shows us how you work. It doesn’t need to be polished. We just want to get a sense of how you think and what you enjoy building

Software Developer
AFI group of companies
Multiple locations
Hybrid
Graduate - Junior
Private salary
RECENTLY POSTED
+3

Do you want to build real software that real people use every day? At AFI, you’ll be working on the digital tools that keep a national powered access business running, from the portals our customers log into, to the integrations that connect our operations behind the scenes. It’s varied, it’s hands-on, and there’s always something interesting to get stuck into. We’re looking for a talented Software Developer to join us, based from either our Castle Donington or Rotherham office depending on which is closer to you. Whether you’re a recent graduate with strong fundamentals and a hunger to learn, or an early-career developer looking for a role where you can genuinely own what you build, we’d love to hear from you. About the RoleWhat you’ll be working on: • Building and improving customer-facing portals • Connecting systems (CRM, rental software, finance platforms) • Writing both frontend and backend code • Working directly with non-technical teams to understand real problems We’re a small dev team. That means real ownership. If you ship something, it goes live. If you improve a process, people notice. What you’ll get: • Hybrid working arrangement • A role where your contributions are genuinely noticed and valued • Exposure to a wide variety of systems, languages, and real business problems • A stable position within a fast-growing national company Benefits 25 days holiday, plus statutory holidays. Inclusion in a profit share scheme. An auto-enrolment pension scheme with employer contributions (from aged 22, but voluntary enrolment can be made before this age. Opt-out available). Death-in-Service benefit of 2 x salary. Healthcare cash plan. MyAFI, a comprehensive employee benefits, rewards, and discount programme. Benefits include Cycle2Work scheme, Aviva private medical insurance, and Holiday Trading, to name a few. Christmas Bonus Payment (Discretionary). Requirements We care more about how you think than what’s on your CV. That said, it’ll help if you have some of the following: • A degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience) • A solid grounding in web development - HTML, CSS, JavaScript and at least one backend language (we work primarily with PHP) • Comfort working with databases and APIs, and an understanding of how systems talk to each other • Familiarity with version control using Git, whether that’s through GitHub, Bitbucket, or similar • Good communication skills - you’ll work directly with colleagues across the business, not just within IT Someone who picks up new technologies without too much hand-holding, and who’s not afraid to dive into an unfamiliar codebase. Experience with Laravel, SvelteKit, or Microsoft SQL Server is a bonus but far from a dealbreaker. Familiarity with cloud platforms or deployment tools such as AWS or Vercel is also useful, though not essential. Bonus points if you’ve experimented with AI-assisted development tools like Claude Code or Cursor. We’re a team that’s interested in working smarter. We’d also love to see a portfolio, personal projects, or anything on GitHub that shows us how you work. It doesn’t need to be polished. We just want to get a sense of how you think and what you enjoy building

Software Developer - Castle Donnington / Rotherham
AFI group of companies
Derby
Hybrid
Graduate - Junior
Private salary
RECENTLY POSTED
+3

Do you want to build real software that real people use every day? At AFI, you’ll be working on the digital tools that keep a national powered access business running, from the portals our customers log into, to the integrations that connect our operations behind the scenes. It’s varied, it’s hands-on, and there’s always something interesting to get stuck into. We’re looking for a talented Software Developer to join us, based from either our Castle Donington or Rotherham office depending on which is closer to you. Whether you’re a recent graduate with strong fundamentals and a hunger to learn, or an early-career developer looking for a role where you can genuinely own what you build, we’d love to hear from you. About the RoleWhat you’ll be working on: • Building and improving customer-facing portals • Connecting systems (CRM, rental software, finance platforms) • Writing both frontend and backend code • Working directly with non-technical teams to understand real problems We’re a small dev team. That means real ownership. If you ship something, it goes live. If you improve a process, people notice. What you’ll get: • Hybrid working arrangement • A role where your contributions are genuinely noticed and valued • Exposure to a wide variety of systems, languages, and real business problems • A stable position within a fast-growing national company Benefits 25 days holiday, plus statutory holidays. Inclusion in a profit share scheme. An auto-enrolment pension scheme with employer contributions (from aged 22, but voluntary enrolment can be made before this age. Opt-out available). Death-in-Service benefit of 2 x salary. Healthcare cash plan. MyAFI, a comprehensive employee benefits, rewards, and discount programme. Benefits include Cycle2Work scheme, Aviva private medical insurance, and Holiday Trading, to name a few. Christmas Bonus Payment (Discretionary). Requirements We care more about how you think than what’s on your CV. That said, it’ll help if you have some of the following: • A degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience) • A solid grounding in web development - HTML, CSS, JavaScript and at least one backend language (we work primarily with PHP) • Comfort working with databases and APIs, and an understanding of how systems talk to each other • Familiarity with version control using Git, whether that’s through GitHub, Bitbucket, or similar • Good communication skills - you’ll work directly with colleagues across the business, not just within IT Someone who picks up new technologies without too much hand-holding, and who’s not afraid to dive into an unfamiliar codebase. Experience with Laravel, SvelteKit, or Microsoft SQL Server is a bonus but far from a dealbreaker. Familiarity with cloud platforms or deployment tools such as AWS or Vercel is also useful, though not essential. Bonus points if you’ve experimented with AI-assisted development tools like Claude Code or Cursor. We’re a team that’s interested in working smarter. We’d also love to see a portfolio, personal projects, or anything on GitHub that shows us how you work. It doesn’t need to be polished. We just want to get a sense of how you think and what you enjoy building

Frontend Developer (React)
IntaPeople
Penarth
Hybrid
Junior - Mid
£40,000
RECENTLY POSTED

Looking for a frontend role where you can make a positive impact on people s lives? This is one of those rare opportunities where the projects you work on can help someone with early detection of cancer or fertility.

About the Company:

  • This medtech scale up is based near the border of Wales and England and there s flexibility for remote working. They go into the office once per week in their Monmouthshire HQ and also meet in shared offices in Bristol.
  • They are huge advocates for Women in STEM with a female CEO and founder.
  • There is a strong L&D culture; they have a budget for learning new skills and an R&D day every last Friday of the month where the team work on things that interest them.

About the role:

  • This is a varied role in a small team, which means you ll have a nice range of responsibilities.
  • The main responsibility is coding, so you ll work on a mix of greenfield and existing projects in React, and TypeScript.
  • You will also be working with WordPress for the website
  • Another part of the role will involve working alongside the marketing team to come up with ideas

About you:

  • Personality fit is just as important as technical capability for this company. As a small, close-knit team, they are super collaborative and are looking for someone to contribute to their nurturing and fun culture.
  • You ll have lots of ideas and be open to sharing them. You can be really influential within this company and they invite the team to shape the technical direction of the products.
  • You ll have a couple of years of commercial experience with React and TypeScript, ideally with WordPress too but that s not essential.

Please send a copy of your CV to (url removed) to be considered for the role or to set up a confidential chat

Senior Software Engineer- GCS
Insignis
Multiple locations
In office
Senior
Private salary
RECENTLY POSTED

JOB DESCRIPTION

Job title: Senior Software Engineer - GCS

Location: Fareham, Hampshire

Responsible to: Principal Engineer - GCS

Liaison with: All Kraken staff, sub-contractors, customers, and suppliers

About the role: To work on the development of user-facing Ground Control Station (GCS) software designed to enable operators to remotely control and monitor autonomous vehicles beyond visual line-of-sight. This role focuses on developing robust, intuitive interfaces using C++, Qt, QML, and JavaScript, while also incorporating modern UX principles and thorough testing methodologies.

You will be responsible for designing, implementing, and optimising user interfaces that must enable operators to navigate complex tactical situations without overwhelming them. You will be expected to run UI experiments with our in-house team of operations experts and with key customers to determine critical software requirements. You should be comfortable handling complex workloads across R&D, prototyping, and mission-critical production deployments.

Primary responsibilities include, but are not limited to:

  • Work on the design and development of user-facing GCS software for autonomous vehicle monitoring and control.
  • Build and maintain user interface software using C++, Qt, QML, and JavaScript.
  • Engage with operators to gather requirements, validate usability, and refine user experience.
  • Develop prototypes and storyboards to capture user requirements and iterate on design concepts.
  • Ensure software robustness through rigorous testing, validation, and performance optimization.
  • Collaborate with cross-functional teams, including autonomy and hardware engineers, to integrate software solutions.
  • Document and maintain codebases with a focus on readability, scalability, and maintainability.
  • Provide technical leadership and mentorship to junior developers.

PERSON SPECIFICATION

Essential qualifications, skills and experience:

  • Extensive experience in C++ and Qt, ideally including QML and JavaScript.
  • Strong understanding of user interface design principles, particularly for mission-critical systems.
  • Experience defining software requirements, developing architectures, and producing robust implementations.
  • Proficiency in software testing methodologies, including unit testing, integration testing, and user acceptance testing.
  • UI testing techniques, including automated testing, usability testing, and end-to-end testing, is highly desirable.
  • Strong communication skills and the ability to interact effectively with end-users to gather requirements.
  • Proven ability to work independently and manage complex workloads effectively.

Desirable qualifications, skills and experience: as above but not essential for the role

  • Experience with storyboarding and UX design software (e.g., Figma, Sketch, Adobe XD).
  • Prior experience working in remote control systems, robotics, or defence-related industries.
  • Knowledge of the maritime environment, nautical charts, or survey software.
  • Familiarity with HTML/CSS and WebSockets.
  • Familiarity with cloud-based systems, containerization

Key behaviours that align with our commitment to excellence, collaboration and efficiency within the workplace:

  • To be punctual and manage workload effectively to meet deadlines and priorities
  • Clearly convey ideas and information while actively listening to others
  • Work well with colleagues to achieve common goals and support team members as needed
  • Identify issues and develop practical solutions in a timely manner
  • Maintain a high standard of conduct, respecting confidentiality and addressing challenges respectfully
  • Ensure work is accurate, thorough and free from errors through careful review
  • Take ownership of tasks, following through on commitments
  • Maintain professionalism in client interactions

General accountabilities and responsibilities:

  • To use personal judgement and initiative to develop effective and constructive solutions to challenges and obstacles in day-to-day activities and procedures within the specified role
  • To maintain personal ability in, and appropriate use of, all relevant IT (Information and Technology) and other systems required to adequately perform the role
  • To act ethically, with integrity and in the best interest of the business at all times
  • To maintain a professional and supportive relationship with team members and other departments to deliver business objectives or deadlines
  • To carry out any other duties as detailed by a member of the senior management team or authorised representative
  • To keep good time management to minimise any wasted time and maximise productivity and effectiveness

Health & Safety responsibilities:

  • To ensure that the working area is a clean and a safe environment in compliance with the best practice and health and safety policies
  • To ensure any equipment used is safe, within electrical test date and all guards and interlocks are working and in place
  • To act safely and responsibly in line with company processes and Health and Safety procedures to ensure your safety and the safety of others
  • To report any potential Health and safety hazards or violations to your line manager or directly to the QHSE Manager
  • To ensure any PPE or work wear required or provided for the job is worn and checked regularly for wear and then reported when replacements required
Software Developer
Rubicon Recruitment
Dorset
Remote or hybrid
Junior - Mid
£40,000 - £50,000
RECENTLY POSTED

Software Developer | Wimborne | £45,000 DOE Are you a detail-oriented developer with a passion for creating robust software solutions? Join a forward-thinking business where your expertise in Python and GUI design will make a real impact. This is an opportunity to work on innovative projects that shape the future of safety technology. As a Software Developer, you will benefit from: Competitive salary and career progression opportunities Flexible working options Training and professional development support Exposure to cutting-edge machine control technology As a Software Developer, your responsibilities will include: Designing and developing PC-based applications to meet project requirements Gathering requirements from internal teams and customers Creating, executing, and documenting unit, module, and integration tests Producing installable executables and application updates Providing technical support to installation teams and customers As a Software Developer, your experience will include: An engineering or science degree or equivalent software design qualification Proficiency in Python for PC applications Knowledge of GUI design tools such as Kivy or Qt Familiarity with version control systems like Git Understanding of cloud services such as AWS Strong organisational skills and a systematic approach If you’re ready to take the next step in your career, we’d love to hear from you. Apply today with an up-to-date CV or call Josh at Rubicon for more information

Software Developer
CND
Bath
Hybrid
Junior - Mid
Private salary
RECENTLY POSTED

Are you passionate about technology and excited to work in a collaborative, supportive environment? Our client is seeking a Software Developer to join a highly engaged Agile team that values creativity, autonomy, and shared ownership. What you’ll do * Contribute within a flat team structure through pair programming, whiteboarding, and joint architectural design * Participate in a strong peer‑review culture, ensuring every line of code is reviewed and contributing to continuous learning * Work closely with Product Owners, Account Managers, and Operations teams to deliver great customer experiences and maintain stable, reliable applications * Take part in sprint planning and other Scrum practices to help drive value and improve team effectiveness What we’re looking for * Commercial experience with modern programming languages such as PHP, JavaScript, React, or similar technologies * Solid understanding of MVC patterns or modern JavaScript frameworks * Familiarity with Git and collaborative development workflows * Strong communication skills and a willingness to learn, evolve, and share knowledge * Bonus: Experience with accessibility standards, testing frameworks, or software design best practices

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