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2 Contract API jobs in Cambridgeshire + 20 miles
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Full Stack Software Engineer - AI Innovation
Full Stack Software Engineer - AI Innovation
Connexa
MK1, Milton Keynes
£60000 - £70000 per annum + 20% Bonus
Our client, a growing consultancy delivering cutting-edge AI and data-led services to government and public sector clients, is looking for a Full Stack Software Engineer to join their forward-thinking team in Milton Keynes. This is a fantastic opportunity to contribute to a nationally recognised AI innovation platform used to drive sensitive data discovery, redaction, and secure archiving for government departments. You'll work across a modern tech stack and play a key role in the development, deployment, and support of a secure full stack system used across the UK public sector. * Design, build, and test full stack software in a secure, client-focused environment * Work with modern front-end technologies (React, TypeScript, HTML/CSS) to deliver intuitive UI/UX * Develop robust back-end services using Java and Spring Boot
Our client, a growing consultancy delivering cutting-edge AI and data-led services to government and public sector clients, is looking for a Full Stack Software Engineer to join their forward-thinking team in Milton Keynes. This is a fantastic opportunity to contribute to a nationally recognised AI innovation platform used to drive sensitive data discovery, redaction, and secure archiving for government departments. You'll work across a modern tech stack and play a key role in the development, deployment, and support of a secure full stack system used across the UK public sector. * Design, build, and test full stack software in a secure, client-focused environment * Work with modern front-end technologies (React, TypeScript, HTML/CSS) to deliver intuitive UI/UX * Develop robust back-end services using Java and Spring Boot
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QA Test Automation Engineer Python
QA Test Automation Engineer Python
Client Server
Milton, CB24
£50000 - £65000 per annum + bonus + benefits
You have API testing experience
You have API testing experience
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21 exact matches jobs are outside your preferred location
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Head of Engineering (Hands on)- London Hybrid
Head of Engineering (Hands on)- London Hybrid
Develop
London
£90000 - £120000 per annum + + benefits & stocks
Deliver front-end excellence: Build fast, responsive web apps using Vite, React Query, Context API, and CSS frameworks. * Design for scale: Lead on API design, performance optimisation, and secure, cloud-ready architectures.
Deliver front-end excellence: Build fast, responsive web apps using Vite, React Query, Context API, and CSS frameworks. * Design for scale: Lead on API design, performance optimisation, and secure, cloud-ready architectures.
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Technical Agile Business Analyst/ Product Engineer
Technical Agile Business Analyst/ Product Engineer
Hays
London, EC3A 4BF
£50000.0 - £60000.0 per annum + 50000-60000
Proficient with tools such as JIRA, Confluence, Figma and an API documentation platform
Proficient with tools such as JIRA, Confluence, Figma and an API documentation platform
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Junior Presales Engineer, UK (German & English)
Junior Presales Engineer, UK (German & English)
Optibus Transportation Limited
The City, EC2M 5TQ
From £39,000 to £45,000 per annum Salary displays OTE, which is 80% &
Optibusis a unified software platform revolutionizing public transportation planning, scheduling, and operations in over 7,000 cities worldwide. Using AI, ML, and optimization algorithms, it empowers agencies to design more efficient, equitable, and sustainable transit networks, enhancing passenger access, reducing emissions, and improving driver conditions. With offices globally and a team of 350+ employees, Optibus fosters a collaborative culture centered on innovation, determination, and impact. As the first unicorn in public transportation technology, Optibus is driving the modernization of mass transit to make it the preferred choice for cities and passengers alike. We are looking for a Junior Presales Engineer to join our global Revenue team! Based in London, this individual will play a crucial role in supporting core presales engineering activities in showcasin
Optibusis a unified software platform revolutionizing public transportation planning, scheduling, and operations in over 7,000 cities worldwide. Using AI, ML, and optimization algorithms, it empowers agencies to design more efficient, equitable, and sustainable transit networks, enhancing passenger access, reducing emissions, and improving driver conditions. With offices globally and a team of 350+ employees, Optibus fosters a collaborative culture centered on innovation, determination, and impact. As the first unicorn in public transportation technology, Optibus is driving the modernization of mass transit to make it the preferred choice for cities and passengers alike. We are looking for a Junior Presales Engineer to join our global Revenue team! Based in London, this individual will play a crucial role in supporting core presales engineering activities in showcasin
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Halian Technology are searching for an Lead Android Engineerto join our clients forward-thinking mobile team. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture.
Halian Technology are searching for an Lead Android Engineerto join our clients forward-thinking mobile team. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture.
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Staff Back End Engineer
Staff Back End Engineer
John Lewis & Partners
SW1V, South West London, SW1V 2QQ
From £75,000 to £92,000 per annum
REST API development and/or consumption.
REST API development and/or consumption.
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Join the API Revolution at GraviteeWhere Innovation Meets Growth - Since our beginnings in 2015, Gravitee has grown into a global force, recognized as a 2024 Gartner Magic Quadrant Leader for API Management. What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ecosystems worldwide. Be part of a team thats redefining whats possible in API management, and shaping the future of digital transformation. * Experience working in middleware technology, ideally within API management, IAM or integration * Ability to work for one of the fastest-growing companies and alongside some of the most talented people in the API technology sector
Join the API Revolution at GraviteeWhere Innovation Meets Growth - Since our beginnings in 2015, Gravitee has grown into a global force, recognized as a 2024 Gartner Magic Quadrant Leader for API Management. What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ecosystems worldwide. Be part of a team thats redefining whats possible in API management, and shaping the future of digital transformation. * Experience working in middleware technology, ideally within API management, IAM or integration * Ability to work for one of the fastest-growing companies and alongside some of the most talented people in the API technology sector
Prompt engineering, LLM API integration, and system reliability patterns
Prompt engineering, LLM API integration, and system reliability patterns
Company Description - Experience something Brilliantly Different with a career at MUFG Investor Services. Who are we? In a nutshell, MUFG Investor Services is part of the Mitsubishi UFJ Financial Group, and we partner with over 480 loyal global investment firms to provide them with administration, asset services, banking and fund financing. Were in 14 global locations and provide an exceptional hub of Brilliantly Different talent to thrive. #LI-Hybrid - Job Description - We are looking for a skilled Data Engineer with substantial experience to design, develop, and maintain scalable data pipelines and data solutions using Databricks. You'll collaborate closely with cross-functional teams to ensure data quality, availability, and efficiency to support analytics and business intelligence. * Design and implement scalable data architectures using Databricks Unity Catalog,
Company Description - Experience something Brilliantly Different with a career at MUFG Investor Services. Who are we? In a nutshell, MUFG Investor Services is part of the Mitsubishi UFJ Financial Group, and we partner with over 480 loyal global investment firms to provide them with administration, asset services, banking and fund financing. Were in 14 global locations and provide an exceptional hub of Brilliantly Different talent to thrive. #LI-Hybrid - Job Description - We are looking for a skilled Data Engineer with substantial experience to design, develop, and maintain scalable data pipelines and data solutions using Databricks. You'll collaborate closely with cross-functional teams to ensure data quality, availability, and efficiency to support analytics and business intelligence. * Design and implement scalable data architectures using Databricks Unity Catalog,
Zoopla is one of the UKs most instantly recognisable property brands. In fact, were known and loved by over 91% of the nation (and were working hard on the other 9%). Our mission is to help the nation make better home decisions - by connecting everyone to their home and giving them personalised insights to help with moving, managing or financing. Over 50 million people visit Zoopla every month to access exclusive data and information on every UK property, search over 500,000 homes for sale and rent, find the best agents and secure the latest mortgage deals. Were a growing, dynamic team that embraces innovation and isnt afraid to push the boundaries. Were only just starting our journey to redefine the digital property landscape, with much more to explore and achieve. Join us, and transform the way the nation makes home decisions. About the role
Zoopla is one of the UKs most instantly recognisable property brands. In fact, were known and loved by over 91% of the nation (and were working hard on the other 9%). Our mission is to help the nation make better home decisions - by connecting everyone to their home and giving them personalised insights to help with moving, managing or financing. Over 50 million people visit Zoopla every month to access exclusive data and information on every UK property, search over 500,000 homes for sale and rent, find the best agents and secure the latest mortgage deals. Were a growing, dynamic team that embraces innovation and isnt afraid to push the boundaries. Were only just starting our journey to redefine the digital property landscape, with much more to explore and achieve. Join us, and transform the way the nation makes home decisions. About the role
This isnt a typical software developer role. As a Product Engineer at PortSwigger, youll have real ownership from day one, with the autonomy to shape your work, the freedom to experiment, and the responsibility to deliver meaningful outcomes. Burp Suite is trusted by hundreds of thousands of (ethical) hackers, developers, and security professionals. In this role, youll help shape the future of web security through the features you design, build, and evolve. This is an opportunity to do high-leverage, high-impact work in a supportive environment that values both excellence and care. Youll solve real, complex user problems and build robust, user-ready features that deliver meaningful impact. Youll also influence what we build and why. More importantly, youll be trusted to think boldly, learn fast, share your work early, and make great decisions in service of our users.
This isnt a typical software developer role. As a Product Engineer at PortSwigger, youll have real ownership from day one, with the autonomy to shape your work, the freedom to experiment, and the responsibility to deliver meaningful outcomes. Burp Suite is trusted by hundreds of thousands of (ethical) hackers, developers, and security professionals. In this role, youll help shape the future of web security through the features you design, build, and evolve. This is an opportunity to do high-leverage, high-impact work in a supportive environment that values both excellence and care. Youll solve real, complex user problems and build robust, user-ready features that deliver meaningful impact. Youll also influence what we build and why. More importantly, youll be trusted to think boldly, learn fast, share your work early, and make great decisions in service of our users.
Deep expertise in API design, SaaS architectures, and microservices
Deep expertise in API design, SaaS architectures, and microservices
10+ years of professional software engineering experience with expertise in JavaScript, TypeScript, Node.js, and RESTful API design.
10+ years of professional software engineering experience with expertise in JavaScript, TypeScript, Node.js, and RESTful API design.
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Hands-on experience with Microsoft Azure and associated PaaS services (e.g., Azure Functions, AKS, API Management). * Strong expertise in RESTful API design, versioning, testing, and lifecycle management.
Hands-on experience with Microsoft Azure and associated PaaS services (e.g., Azure Functions, AKS, API Management). * Strong expertise in RESTful API design, versioning, testing, and lifecycle management.
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Are you passionate about graphics, computers, and solving problems around computers trying to do graphics? Do you look at designs thinking 'What happens if I do ...?'. Does creatively breaking modern GPUs in as many ways as possibly sound like fun? Look no further! The GPU teamin Arm has the mission to be at the forefront of advanced multimedia IP products. As team member, your role will have a meaningful impact in verifying next-generation graphics processors. If you have a high level of technical proficiency and an ability to pick up and apply new concepts and skills quickly, we want to hear from you. You will work within a team of engineers with a diverse set of skills from both hardware and software backgrounds. The team is exposed to a wide range of tools, languages & methodologies as part of their work.
Are you passionate about graphics, computers, and solving problems around computers trying to do graphics? Do you look at designs thinking 'What happens if I do ...?'. Does creatively breaking modern GPUs in as many ways as possibly sound like fun? Look no further! The GPU teamin Arm has the mission to be at the forefront of advanced multimedia IP products. As team member, your role will have a meaningful impact in verifying next-generation graphics processors. If you have a high level of technical proficiency and an ability to pick up and apply new concepts and skills quickly, we want to hear from you. You will work within a team of engineers with a diverse set of skills from both hardware and software backgrounds. The team is exposed to a wide range of tools, languages & methodologies as part of their work.
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We are looking for a hard-working, creative and motivated engineer to join our GPU development team! We need someone who can collaborate with hardware design teams, device driver teams and verification/testing teams, to work on top-level hardware and hardware/software debug. The role is based in Cambridge in the UK. The successful candidate will be an experienced hardware design engineer with a good understanding of software and device drivers, and a proven track record to deliver high quality results in ambitious timescales. You will work as part of a cross-site team and take ownership of a range of tasks that are required for successful bring-up and debug of complex tests, games and benchmarks for cutting-edge GPUs. You will work closely with the architecture, model, design, verification and device driver teams to ensure that Arm GPU products are delivered to our ..
We are looking for a hard-working, creative and motivated engineer to join our GPU development team! We need someone who can collaborate with hardware design teams, device driver teams and verification/testing teams, to work on top-level hardware and hardware/software debug. The role is based in Cambridge in the UK. The successful candidate will be an experienced hardware design engineer with a good understanding of software and device drivers, and a proven track record to deliver high quality results in ambitious timescales. You will work as part of a cross-site team and take ownership of a range of tasks that are required for successful bring-up and debug of complex tests, games and benchmarks for cutting-edge GPUs. You will work closely with the architecture, model, design, verification and device driver teams to ensure that Arm GPU products are delivered to our ..
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As a Security Engineer Fuzzing Specialist, you will own and evolve our coverage-guided fuzzing program. Your mission is to uncover hard-to-reach security flaws before attackers do, drive fixes to closure, and help product teams to embrace dynamic testing like fuzzing. Youll scout for new attack surfaces, craft high-performance fuzzing harnesses, and design custom sanitisers that push the state of the art. Success means measurable coverage gains, actionable crash reports, and products that ship with provable resilience. * Map & prioritise fuzzing surfaces across services, libraries, APIs, and protocols; maintain a living risk-based roadmap. * Design, build, and extend fuzzing harnesses (libFuzzer, AFL++, Honggfuzz, etc.) that improve code-path exploration and minimise false positives. * Continuously improve coverage by growing seed corpus, deploying targeted mutation .
As a Security Engineer Fuzzing Specialist, you will own and evolve our coverage-guided fuzzing program. Your mission is to uncover hard-to-reach security flaws before attackers do, drive fixes to closure, and help product teams to embrace dynamic testing like fuzzing. Youll scout for new attack surfaces, craft high-performance fuzzing harnesses, and design custom sanitisers that push the state of the art. Success means measurable coverage gains, actionable crash reports, and products that ship with provable resilience. * Map & prioritise fuzzing surfaces across services, libraries, APIs, and protocols; maintain a living risk-based roadmap. * Design, build, and extend fuzzing harnesses (libFuzzer, AFL++, Honggfuzz, etc.) that improve code-path exploration and minimise false positives. * Continuously improve coverage by growing seed corpus, deploying targeted mutation .
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Experience with API-driven infrastructure and alignment with Site Reliability Engineering (SRE) principles is highly valued.
Experience with API-driven infrastructure and alignment with Site Reliability Engineering (SRE) principles is highly valued.
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Familiarity with relevant standards (DNV, API, ISO) and regulatory frameworks.
Familiarity with relevant standards (DNV, API, ISO) and regulatory frameworks.
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Design scalable architectures, deployment models, and API-based integrations tailored to managed service environments
Design scalable architectures, deployment models, and API-based integrations tailored to managed service environments
Experience integrating front-end applications with Internal/External API. * Experience with API development.
Experience integrating front-end applications with Internal/External API. * Experience with API development.
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As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasnt changed were here to stop breaches, and weve redefined modern security with the worlds most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. Were also a mission-driven company. We cultivate a culture that gives every CrowdStriker both the flexibility and autonomy to own their careers. Were always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our commu
As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasnt changed were here to stop breaches, and weve redefined modern security with the worlds most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. Were also a mission-driven company. We cultivate a culture that gives every CrowdStriker both the flexibility and autonomy to own their careers. Were always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our commu
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Arm's Userspace Performance team is looking for skilled software performance analysis engineers to join a growing team. Successful candidates will help improve the performance of software running on Arm systems used across the world. You will join a team of Software Engineers who all share a passion for wanting to stamp their mark on the future of computing, wherever it may lead. We strive to understand the hard problems of why software is not running as fast as it could be. We tend to look into large software stacks with sophisticated interactions. We work closely with our tooling teams and try to come up with innovative ways to identify the root causes of performance issues. We interact with different teams across Arm that can help us get more insight into problems we face or help us improve the performance of the workloads we are working on.
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Our engineers lead innovation in physical IP, AI and machine learning, cloud architecture, automotive tech, and every aspect of computing that matters. This is an exciting opening to be the technical lead across multiple new software teams. We are delivering the full Linux stack (firmware, kernel, drivers, applications) to support a new range of Arm hardware devices aimed at AI use cases. Provide technical guidance to the team and mentoring to junior engineers, helping them develop skills and improve their performance - Knowledge of Embedded Linux system fundamentals including firmware and Kernel Drivers (networking, storage, and operating systems) You will work with architects and other technical leaders across the business to define work for each of
Our engineers lead innovation in physical IP, AI and machine learning, cloud architecture, automotive tech, and every aspect of computing that matters. This is an exciting opening to be the technical lead across multiple new software teams. We are delivering the full Linux stack (firmware, kernel, drivers, applications) to support a new range of Arm hardware devices aimed at AI use cases. Provide technical guidance to the team and mentoring to junior engineers, helping them develop skills and improve their performance - Knowledge of Embedded Linux system fundamentals including firmware and Kernel Drivers (networking, storage, and operating systems) You will work with architects and other technical leaders across the business to define work for each of
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