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2 Part Time 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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20 exact matches jobs are outside your preferred location
AI Solutions Engineer - London
AI Solutions Engineer - London
Transparent Technology
London, EC1A 4RN
£70000 - £140000 per annum + + bens + shares
Especially integration with the OpenAI API GPT, Gemini, LLama, Claude etc.
Especially integration with the OpenAI API GPT, Gemini, LLama, Claude etc.
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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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Espire Infolabs is hiring for MS Power Platform Engineer for London, UK location. Job Title: MS Power Platform Engineer - Job Type: Permanent - Job Location: London (3 Days/week onsite) We are seeking a skilled Power Platform Engineer with deep insurance industry expertise to design, develop, and implement automation solutions using Microsoft Power Platform technologies. The successful candidate will serve as a technical expert in Power Automate and broader Power Platform capabilities while effectively managing stakeholder relationships and driving digital transformation initiatives within the insurance and re-insurance domain. Key Responsibilities - Technical Development * Design and develop complex automation workflows using Power Automate (formerly Microsoft Flow) * Build custom applications using Power Apps to meet specific business requirements
Espire Infolabs is hiring for MS Power Platform Engineer for London, UK location. Job Title: MS Power Platform Engineer - Job Type: Permanent - Job Location: London (3 Days/week onsite) We are seeking a skilled Power Platform Engineer with deep insurance industry expertise to design, develop, and implement automation solutions using Microsoft Power Platform technologies. The successful candidate will serve as a technical expert in Power Automate and broader Power Platform capabilities while effectively managing stakeholder relationships and driving digital transformation initiatives within the insurance and re-insurance domain. Key Responsibilities - Technical Development * Design and develop complex automation workflows using Power Automate (formerly Microsoft Flow) * Build custom applications using Power Apps to meet specific business requirements
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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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Senior Software Engineer C# .Net - Asset Manager
Senior Software Engineer C# .Net - Asset Manager
Client Server
The City, EC4
£100000 - £150000 per annum + bonus + benefits
There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js.
There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js.
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Strong knowledge of mechanical equipment design codes (ASME, ANSI, API, PIP, NACE).
Strong knowledge of mechanical equipment design codes (ASME, ANSI, API, PIP, NACE).
In this critical role, you will be instrumental in driving the adoption, engagement, and growth of Smartsheet's developer platform and API capabilities. * Collaborate with cross-functional teams to develop and execute comprehensive go-to-market plans including customer communications for new API capabilities, SDKs, developer tools, and platform enhancements. * Clearly communicate technical details to customers regarding API changes, releases, and deprecations including writing release notes and collaborating on developer documentation and API guides.
In this critical role, you will be instrumental in driving the adoption, engagement, and growth of Smartsheet's developer platform and API capabilities. * Collaborate with cross-functional teams to develop and execute comprehensive go-to-market plans including customer communications for new API capabilities, SDKs, developer tools, and platform enhancements. * Clearly communicate technical details to customers regarding API changes, releases, and deprecations including writing release notes and collaborating on developer documentation and API guides.
About the Opportunity - Our Solution Engineers are close partners of our sales team and own key components of the sales process including infrastructural/architectural discovery, collaborative solution design, and technical validation. Solution Engineers may travel up to 50% of the time and will have the opportunity to work with teams around the world, from visionary brands to innovative digital agencies. What to expect? * This is a customer-facing role and, as such, you should expect up to 50% of your time to be spent on travel to the office and/or customer locations. * Work directly with our Enterprise Account Executives to support DACH customers * Support our sales team in helping prospects understand whats possible with Contentful and how it compares to older legacy technologies * Understand prospects' project requirements, help prospects validate these requiremen
About the Opportunity - Our Solution Engineers are close partners of our sales team and own key components of the sales process including infrastructural/architectural discovery, collaborative solution design, and technical validation. Solution Engineers may travel up to 50% of the time and will have the opportunity to work with teams around the world, from visionary brands to innovative digital agencies. What to expect? * This is a customer-facing role and, as such, you should expect up to 50% of your time to be spent on travel to the office and/or customer locations. * Work directly with our Enterprise Account Executives to support DACH customers * Support our sales team in helping prospects understand whats possible with Contentful and how it compares to older legacy technologies * Understand prospects' project requirements, help prospects validate these requiremen
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Power System & Product Development Engineer
Power System & Product Development Engineer
UK Power Networks (Operations) Limited
London
£80,574 a year
81357 - Power System & Product Development Engineer - This Power System & Product Development Engineer will report to the Network Access Manager and will work within DSO directorate based in our London office. You will be a permanent employee. You will attract a salary of £80,574.00 and a bonus of 3%. This role can also offer blended working after probationary period (6 months) - 3 days in the office and 2 remote - Close Date: 14/09/2025 - We also provide the following additional benefits * 25 Days Annual Leave plus bank holidays. * Reservist Leave Additional 18 days full pay and 22 unpaid * Personal Pension Plan Personal contribution rates of 4% or 5% (UK Power Networks will make a corresponding contribution of 8% or 10%) * Tenancy Loan Deposit Scheme, Season Ticket Loan * Tax efficient benefits: Cycle to Work, Home & Tech, and Green Car Leasing Schemes * Occupationa
81357 - Power System & Product Development Engineer - This Power System & Product Development Engineer will report to the Network Access Manager and will work within DSO directorate based in our London office. You will be a permanent employee. You will attract a salary of £80,574.00 and a bonus of 3%. This role can also offer blended working after probationary period (6 months) - 3 days in the office and 2 remote - Close Date: 14/09/2025 - We also provide the following additional benefits * 25 Days Annual Leave plus bank holidays. * Reservist Leave Additional 18 days full pay and 22 unpaid * Personal Pension Plan Personal contribution rates of 4% or 5% (UK Power Networks will make a corresponding contribution of 8% or 10%) * Tenancy Loan Deposit Scheme, Season Ticket Loan * Tax efficient benefits: Cycle to Work, Home & Tech, and Green Car Leasing Schemes * Occupationa
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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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About Graphcore - How often do you get the chance to build a technology that transforms the future of humanity? Graphcore products have set the standard in made-for-AI compute hardware and software, gaining global attention and industry acclaim. Now we are developing the next generation of artificial intelligence compute with systems that will allow AI researchers to develop more advanced models, help scientists unlock exciting new discoveries, and power companies around the world as they put AI at the heart of their business. Graphcore recently joined SoftBank Group bringing large and ongoing investment from one of the worlds leading backers of innovative AI companies. Job Summary - We are looking for high-quality silicon physical design engineers to complement our existing exceptional team. We have a range of roles available with focus on those with extensive ranges
About Graphcore - How often do you get the chance to build a technology that transforms the future of humanity? Graphcore products have set the standard in made-for-AI compute hardware and software, gaining global attention and industry acclaim. Now we are developing the next generation of artificial intelligence compute with systems that will allow AI researchers to develop more advanced models, help scientists unlock exciting new discoveries, and power companies around the world as they put AI at the heart of their business. Graphcore recently joined SoftBank Group bringing large and ongoing investment from one of the worlds leading backers of innovative AI companies. Job Summary - We are looking for high-quality silicon physical design engineers to complement our existing exceptional team. We have a range of roles available with focus on those with extensive ranges
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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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Become an expert on SkyHives application ecosystem and API or flat file-based integrations * Solid understanding of Cloud-based technologies and SaaS fundamentals * Strong API knowledge (REST) for enterprise integrations
Become an expert on SkyHives application ecosystem and API or flat file-based integrations * Solid understanding of Cloud-based technologies and SaaS fundamentals * Strong API knowledge (REST) for enterprise integrations
Apply now - Date: 27 Aug 2025 - Location: London region, GB - 81357 - Power System & Product Development Engineer - This Power System & Product Development Engineer will report to the Network Access Manager and will work within DSO directorate based in our London office. You will be a permanent employee. You will attract a salary of £80,574.00 and a bonus of 3%. This role can also offer blended working after probationary period (6 months) - 3 days in the office and 2 remote - Close Date: 14/09/2025 - We also provide the following additional benefits * 25 Days Annual Leave plus bank holidays. * Reservist Leave - Additional 18 days full pay and 22 unpaid * Personal Pension Plan - Personal contribution rates of 4% or 5% (UK Power Networks will make a corresponding contribution of 8% or 10%) * Tenancy Loan Deposit Scheme, Season Ticket Loan
Apply now - Date: 27 Aug 2025 - Location: London region, GB - 81357 - Power System & Product Development Engineer - This Power System & Product Development Engineer will report to the Network Access Manager and will work within DSO directorate based in our London office. You will be a permanent employee. You will attract a salary of £80,574.00 and a bonus of 3%. This role can also offer blended working after probationary period (6 months) - 3 days in the office and 2 remote - Close Date: 14/09/2025 - We also provide the following additional benefits * 25 Days Annual Leave plus bank holidays. * Reservist Leave - Additional 18 days full pay and 22 unpaid * Personal Pension Plan - Personal contribution rates of 4% or 5% (UK Power Networks will make a corresponding contribution of 8% or 10%) * Tenancy Loan Deposit Scheme, Season Ticket Loan
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We're seeking a DV Cleared FPGA Engineer to play a key role in the design, development, and delivery of complex FPGA-based systems. If you are a DV Cleared FPGA Engineer looking for a contract with longevity, apply today and we'll be in touch to discuss next steps. 12-Month Contract (Extensions Expected) This is an initial 12-month contract, with long-term extensions highly likely given the volume of upcoming projects. * Designing and implementing FPGA solutions for high-assurance systems * Strong FPGA design experience (VHDL / Verilog) * Experience with Vivado, Quartus, or equivalent FPGA toolchains - Cambridgeshire | Hybrid £70-£85 per hour | Outside IR35 - iO Associates are partnered with a fast-growing Defence & S
We're seeking a DV Cleared FPGA Engineer to play a key role in the design, development, and delivery of complex FPGA-based systems. If you are a DV Cleared FPGA Engineer looking for a contract with longevity, apply today and we'll be in touch to discuss next steps. 12-Month Contract (Extensions Expected) This is an initial 12-month contract, with long-term extensions highly likely given the volume of upcoming projects. * Designing and implementing FPGA solutions for high-assurance systems * Strong FPGA design experience (VHDL / Verilog) * Experience with Vivado, Quartus, or equivalent FPGA toolchains - Cambridgeshire | Hybrid £70-£85 per hour | Outside IR35 - iO Associates are partnered with a fast-growing Defence & S
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We are looking for a motivated Performance engineer to influence the roadmap of our communication libraries. This is an outstanding opportunity for someone with HPC and performance background to advance the state of the art in this space. * M.S. (or equivalent experience) or PHD in Computer Science, or related field with relevant performance engineering and HPC experience * Experience conducting performance benchmarking and triage on large scale HPC clusters - NVIDIA is leading the way in groundbreaking developments in Artificial Intelligence, High Performance Computing and Visualization. Our GPU communication libraries are crucial for scaling Deep Learning and HPC applications! The DL and HPC applications of today have a huge compute demand and run on scales which go up to tens of thousands of GPUs. Communication performance between the GPUs has a direct impact on th
We are looking for a motivated Performance engineer to influence the roadmap of our communication libraries. This is an outstanding opportunity for someone with HPC and performance background to advance the state of the art in this space. * M.S. (or equivalent experience) or PHD in Computer Science, or related field with relevant performance engineering and HPC experience * Experience conducting performance benchmarking and triage on large scale HPC clusters - NVIDIA is leading the way in groundbreaking developments in Artificial Intelligence, High Performance Computing and Visualization. Our GPU communication libraries are crucial for scaling Deep Learning and HPC applications! The DL and HPC applications of today have a huge compute demand and run on scales which go up to tens of thousands of GPUs. Communication performance between the GPUs has a direct impact on th
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