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2 Contract API jobs in Oxfordshire + 5 miles
We want you to #JOINTHEREBELLION! For 30 years weve been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio, we create board games, publish books, and through 2000AD, publish comics and graphic novels such as the amazing Judge Dredd. We are seeking an experienced and highly skilled back-end Senior Online Developer to join our tech team, to help build and support internal and external web APIs to support our game engine team. The successful candidate will join a small team and user their specialist JavaScript knowledge to be involved in the entire software development lifecycle, from requirements gathering and system design to implementation, testing, deployment, and maintenance.
We want you to #JOINTHEREBELLION! For 30 years weve been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio, we create board games, publish books, and through 2000AD, publish comics and graphic novels such as the amazing Judge Dredd. We are seeking an experienced and highly skilled back-end Senior Online Developer to join our tech team, to help build and support internal and external web APIs to support our game engine team. The successful candidate will join a small team and user their specialist JavaScript knowledge to be involved in the entire software development lifecycle, from requirements gathering and system design to implementation, testing, deployment, and maintenance.
Were Nominet a world-leading domain name registry operating at the heart of the UK internet. While we're best known for running .UK domains, our DNS expertise also underpins critical internet infrastructure that government services, including the NHS, rely on. As a public benefit company, our work has a positive impact on society. Weve donated millions to projects that use technology to improve peoples lives and have committed to delivering £60m worth of support over the next three years. As the Head of Registry Engineering at Nominet, you will lead a core technology engineering team to deliver industry leading Registry Systems for the internet. This is a critical role with responsibility for engineering Nominets main line of business. You will manage a highly skilled team who are experts in Registry Systems and full stack application development in Java.
Were Nominet a world-leading domain name registry operating at the heart of the UK internet. While we're best known for running .UK domains, our DNS expertise also underpins critical internet infrastructure that government services, including the NHS, rely on. As a public benefit company, our work has a positive impact on society. Weve donated millions to projects that use technology to improve peoples lives and have committed to delivering £60m worth of support over the next three years. As the Head of Registry Engineering at Nominet, you will lead a core technology engineering team to deliver industry leading Registry Systems for the internet. This is a critical role with responsibility for engineering Nominets main line of business. You will manage a highly skilled team who are experts in Registry Systems and full stack application development in Java.
66 exact matches jobs are outside your preferred location
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Contract: Automated Test Engineer (SFIA 5) Rate: £400/day | Outside IR35 | Duration: 12 months - Security Clearance: NPPV2 / NPPV3 - We are seeking an experienced Automated Test Engineer to design and implement automated testing frameworks for complex systems. You will ensure both functional and non-functional requirements are met, working closely with stakeholders to deliver high-quality solutions in a fully remote, agile environment. * Develop and enhance automated testing across all stages of product, system, and service development. * Collaborate with stakeholders to define requirements, acceptance criteria, and ensure robust test coverage. * Implement automation-first strategies and best practices for repeatable, efficient testing. * Identify and adopt tools, techniques, and processes to strengthen testing frameworks. * Mentor and support less experienced test en
Contract: Automated Test Engineer (SFIA 5) Rate: £400/day | Outside IR35 | Duration: 12 months - Security Clearance: NPPV2 / NPPV3 - We are seeking an experienced Automated Test Engineer to design and implement automated testing frameworks for complex systems. You will ensure both functional and non-functional requirements are met, working closely with stakeholders to deliver high-quality solutions in a fully remote, agile environment. * Develop and enhance automated testing across all stages of product, system, and service development. * Collaborate with stakeholders to define requirements, acceptance criteria, and ensure robust test coverage. * Implement automation-first strategies and best practices for repeatable, efficient testing. * Identify and adopt tools, techniques, and processes to strengthen testing frameworks. * Mentor and support less experienced test en
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We're looking for an experienced Engineering Manager to oversee the technical migration of a Product Information Management (PIM) system - namely STIBO STEP - from an on-premise setup to a SaaS solution. This role requires close collaboration with internal product and engineering teams, as well as with external partners. * 10+ years in software engineering and delivery, with at least 5 years in leadership, principal, or managerial roles. * Strong expertise in PIM/MDM platforms, with hands-on experience in STIBO STEP essential. * Proven track record migrating enterprise applications to SaaS, ideally within large-scale, complex environments. * Languages: Java 17+ (Java 21 preferred) * Frameworks: Micronaut (preferred), Spring Boot * Testing: JUnit, Mockito * Build Tools: Gradle * Data & Messaging: Kafka, MongoDB * APIs: GraphQL Federation, REST
We're looking for an experienced Engineering Manager to oversee the technical migration of a Product Information Management (PIM) system - namely STIBO STEP - from an on-premise setup to a SaaS solution. This role requires close collaboration with internal product and engineering teams, as well as with external partners. * 10+ years in software engineering and delivery, with at least 5 years in leadership, principal, or managerial roles. * Strong expertise in PIM/MDM platforms, with hands-on experience in STIBO STEP essential. * Proven track record migrating enterprise applications to SaaS, ideally within large-scale, complex environments. * Languages: Java 17+ (Java 21 preferred) * Frameworks: Micronaut (preferred), Spring Boot * Testing: JUnit, Mockito * Build Tools: Gradle * Data & Messaging: Kafka, MongoDB * APIs: GraphQL Federation, REST
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Basic knowledge of REST and SOAP API integrations.
Basic knowledge of REST and SOAP API integrations.
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Excellent development skills, with a depth of experience including C#, Java (Spring Boot, JPA/Hibernate), REST API's, observability and monitoring, queue technologies and security.
Excellent development skills, with a depth of experience including C#, Java (Spring Boot, JPA/Hibernate), REST API's, observability and monitoring, queue technologies and security.
PREMIUM
We are a fast-growing data-as-a-service provider helping businesses access high-quality business data via a robust REST API. As a Sales Engineer, you will work closely with our sales team to identify customer needs, explore potential solutions using our API, and ensure a smooth technical onboarding experience. * Explain API capabilities, data models, and integration workflows in a clear, customer-centric way * Evaluate customer challenges and propose tailored solutions using our REST API and MCP * Deliver demos, proof-of-concept support, and API walkthroughs * Solid understanding of APIs, REST, JSON, authentication (OAuth, API keys), and data workflows * Comfortable debugging basic integration issues (e.g., API calls, response errors, authentication p
We are a fast-growing data-as-a-service provider helping businesses access high-quality business data via a robust REST API. As a Sales Engineer, you will work closely with our sales team to identify customer needs, explore potential solutions using our API, and ensure a smooth technical onboarding experience. * Explain API capabilities, data models, and integration workflows in a clear, customer-centric way * Evaluate customer challenges and propose tailored solutions using our REST API and MCP * Deliver demos, proof-of-concept support, and API walkthroughs * Solid understanding of APIs, REST, JSON, authentication (OAuth, API keys), and data workflows * Comfortable debugging basic integration issues (e.g., API calls, response errors, authentication p
Experience with API-first platforms and optimizing front-end systems that consume complex API data.
Experience with API-first platforms and optimizing front-end systems that consume complex API data.
Knowledge of HSE, Safety and Global Plant Layout practices (i.e., PIP, API, GAP, etc.)
Knowledge of HSE, Safety and Global Plant Layout practices (i.e., PIP, API, GAP, etc.)
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All relevant API/ISO and Codes for Equipment within packages in both FEED and EPC environments.
All relevant API/ISO and Codes for Equipment within packages in both FEED and EPC environments.
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Starling is the UKs first and leading digital bank on a mission to fix banking! Our vision is fast technology, fair service, and honest values. We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. Were a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. Were a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech.
Starling is the UKs first and leading digital bank on a mission to fix banking! Our vision is fast technology, fair service, and honest values. We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. Were a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. Were a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech.
Familiarity with a GPGPU API such as SYCL, OpenCL or CUDA.
Familiarity with a GPGPU API such as SYCL, OpenCL or CUDA.
Knowledge and/or work experience with API's
Knowledge and/or work experience with API's
Node.js for services and API development
Node.js for services and API development
You'll be joining the core backend team that underpins every Quidax product from deposits and swaps to merchant payments and our API rails.
You'll be joining the core backend team that underpins every Quidax product from deposits and swaps to merchant payments and our API rails.
ClickUp is revolutionizing the way the world works. As the only all-in-one productivity platform built from day one for true convergence, ClickUp unifies tasks, docs, chat, calendar, enterprise search, and moresupercharged by context-driven AI. While others scramble to bundle fragmented tools or bolt on AI, we anticipated this future and made it our foundation from the start. Headquartered in San Diego with a rapidly expanding global footprint, we empower over three million teams to break free from silos and reclaim their timesaving at least one day every week. Join ClickUp, one of the fastest-growing SaaS companies on the planet, and help millions of users transform the way they work. We're not just building software. We're shaping the future of work. Come join us in building the futuretogether.
ClickUp is revolutionizing the way the world works. As the only all-in-one productivity platform built from day one for true convergence, ClickUp unifies tasks, docs, chat, calendar, enterprise search, and moresupercharged by context-driven AI. While others scramble to bundle fragmented tools or bolt on AI, we anticipated this future and made it our foundation from the start. Headquartered in San Diego with a rapidly expanding global footprint, we empower over three million teams to break free from silos and reclaim their timesaving at least one day every week. Join ClickUp, one of the fastest-growing SaaS companies on the planet, and help millions of users transform the way they work. We're not just building software. We're shaping the future of work. Come join us in building the futuretogether.
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Policy Expert - Senior Quality Engineer II - Are you ready to transform the insurance industry? Policy Expert is a forward-thinking business that loves to get things done. Leveraging proprietary technology and smart data, we offer reliable products and a wow customer experience. Having achieved rapid growth since being founded in 2011, we've won over 1.5 million customers in Home, Motor and Pet insurance and have been ranked the UK's No.1-rated home insurer by Review Centre since 2013. Hear from our team about what it's like working at Policy Expert ? About the Quality Engineering Chapter - While you'll be embedded in the Home Tribe, you will be a key member of our strong and supportive Quality Engineering chapter. We are a close-knit group of quality specialists, acting as a force multiplier for the entire engineering organisation.
Policy Expert - Senior Quality Engineer II - Are you ready to transform the insurance industry? Policy Expert is a forward-thinking business that loves to get things done. Leveraging proprietary technology and smart data, we offer reliable products and a wow customer experience. Having achieved rapid growth since being founded in 2011, we've won over 1.5 million customers in Home, Motor and Pet insurance and have been ranked the UK's No.1-rated home insurer by Review Centre since 2013. Hear from our team about what it's like working at Policy Expert ? About the Quality Engineering Chapter - While you'll be embedded in the Home Tribe, you will be a key member of our strong and supportive Quality Engineering chapter. We are a close-knit group of quality specialists, acting as a force multiplier for the entire engineering organisation.
Policy Expert - Quality Engineer II - Are you ready to transform the insurance industry? Policy Expert is a forward-thinking business that loves to get things done. Leveraging proprietary technology and smart data, we offer reliable products and a wow customer experience. Having achieved rapid growth since being founded in 2011, we've won over 1.5 million customers in Home, Motor and Pet insurance and have been ranked the UK's No.1-rated home insurer by Review Centre since 2013. Hear from our team about what it's like working at Policy Expert ? About The Quality Engineering Chapter - While you'll be embedded in the Customer Management squad, you will be a key member of our strong and supportive Quality Engineering chapter. We are a close-knit community of engineers who specialise in quality, acting as a force multiplier for the entire engineering organisation.
Policy Expert - Quality Engineer II - Are you ready to transform the insurance industry? Policy Expert is a forward-thinking business that loves to get things done. Leveraging proprietary technology and smart data, we offer reliable products and a wow customer experience. Having achieved rapid growth since being founded in 2011, we've won over 1.5 million customers in Home, Motor and Pet insurance and have been ranked the UK's No.1-rated home insurer by Review Centre since 2013. Hear from our team about what it's like working at Policy Expert ? About The Quality Engineering Chapter - While you'll be embedded in the Customer Management squad, you will be a key member of our strong and supportive Quality Engineering chapter. We are a close-knit community of engineers who specialise in quality, acting as a force multiplier for the entire engineering organisation.
Native Engineer, Platform Services - Location: London, UK / Hybrid Remote - We have an office in London and this position can either be based in the office or hybrid remote, with the expectation of attending the office on Wednesdays and Thursdays (subject to your existing legal right to work in the jurisdiction). About HERE - Everything works right here. In a world of endless desktop applications, data sources, and services, HERE (formerly OpenFin) provides an enterprise browser that brings an intuitive and unified app experience to end-user desktops, supercharging productivity, and lowering operational risk. Through its advanced browser, search, and actionable notification capabilities, seamless and powerful workflows are enabled across all applications. Today, HERE software is used by 90% of leading global financial institutions, the US Intelligence Community, and C
Native Engineer, Platform Services - Location: London, UK / Hybrid Remote - We have an office in London and this position can either be based in the office or hybrid remote, with the expectation of attending the office on Wednesdays and Thursdays (subject to your existing legal right to work in the jurisdiction). About HERE - Everything works right here. In a world of endless desktop applications, data sources, and services, HERE (formerly OpenFin) provides an enterprise browser that brings an intuitive and unified app experience to end-user desktops, supercharging productivity, and lowering operational risk. Through its advanced browser, search, and actionable notification capabilities, seamless and powerful workflows are enabled across all applications. Today, HERE software is used by 90% of leading global financial institutions, the US Intelligence Community, and C
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? * Work directly with our Enterprise Account Executives to support EMEA customers * Support our sales team in helping prospects understand what's possible with Contentful and how it compares to older legacy technologies * Understand prospects' project requirements, help prospects validate these requirements against our platform, identify and mitigate technical and business risks * Create product demonstrations and assist with technical evaluations to .
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? * Work directly with our Enterprise Account Executives to support EMEA customers * Support our sales team in helping prospects understand what's possible with Contentful and how it compares to older legacy technologies * Understand prospects' project requirements, help prospects validate these requirements against our platform, identify and mitigate technical and business risks * Create product demonstrations and assist with technical evaluations to .
SQL, API integration skills, or experience with workflow automation.
SQL, API integration skills, or experience with workflow automation.
Job Title: Advanced Software Engineer Team: Graphics Reporting into: Lead Software Engineer (Graphics) Hybrid working/Remote possibility Studio Overview We are Sports Interactive The gaming studio behind: Football Manager. Founded in 1994, Sports Interactive became a wholly owned subsidiary of SEGA Europe in 2006. Based at the Here East technology hub in Stratford, East London, the SI team continues to expand as we bring our titles to an ever-growing audience across an increasing variety of platforms. To support our growth, we welcome the opportunity to connect with passionate people with the drive to match our ambitions and initiative to realise your individual potential. Position Overview Continually improving the visual quality and performance of Football Manager is one of our main goals, and we are looking for an experienced, passionate graphics software engineer
Job Title: Advanced Software Engineer Team: Graphics Reporting into: Lead Software Engineer (Graphics) Hybrid working/Remote possibility Studio Overview We are Sports Interactive The gaming studio behind: Football Manager. Founded in 1994, Sports Interactive became a wholly owned subsidiary of SEGA Europe in 2006. Based at the Here East technology hub in Stratford, East London, the SI team continues to expand as we bring our titles to an ever-growing audience across an increasing variety of platforms. To support our growth, we welcome the opportunity to connect with passionate people with the drive to match our ambitions and initiative to realise your individual potential. Position Overview Continually improving the visual quality and performance of Football Manager is one of our main goals, and we are looking for an experienced, passionate graphics software engineer
About the Opportunity - Imagine being the architect behind the "wow moments" that turn skeptical prospects into excited customers. As a Demo Engineer, you're not just writing code or giving presentationsyou're crafting experiences that make complex technology feel intuitive, powerful, and essential. You'll be responsible for creating compelling, scalable technical demonstrations that showcase our platform's capabilities while working directly with customers and sales teams to understand and address their specific needs and contributing and building core Demo Engineering applications and supporting resources. What to expect? * Build the impossible demos that make customers say "I need this yesterday." Design interactive experiences, demo environments, and proof-of-concept solutions that don't just show featuresthey tell compelling stories.
About the Opportunity - Imagine being the architect behind the "wow moments" that turn skeptical prospects into excited customers. As a Demo Engineer, you're not just writing code or giving presentationsyou're crafting experiences that make complex technology feel intuitive, powerful, and essential. You'll be responsible for creating compelling, scalable technical demonstrations that showcase our platform's capabilities while working directly with customers and sales teams to understand and address their specific needs and contributing and building core Demo Engineering applications and supporting resources. What to expect? * Build the impossible demos that make customers say "I need this yesterday." Design interactive experiences, demo environments, and proof-of-concept solutions that don't just show featuresthey tell compelling stories.
Job Role: Full Stack Analytics Engineer - Reporting to: Senior Software Engineer - Location: Head Office, White City Place, West London - Contract type: Full Time, 37.5 hours per wee k - ME+EM is one of the UKs fastest-growing luxury fashion brands. In addition to a thriving global digital presence, we operate flagship stores in London and Edinburgh, concessions within Harrods and Selfridges, and have recently expanded with new store openings in the U.S. At ME+EM we are an entrepreneurial, creative, and passionate group of people. We work hard, are enthusiastic to learn and are not afraid to take risks. Everyone contributes to our success at all levels, and that precisely what makes being a member of the team so rewarding. Our office and stores are always busy and fast paced, but we work just as hard to make sure its fun, with social activities and biannual parties.
Job Role: Full Stack Analytics Engineer - Reporting to: Senior Software Engineer - Location: Head Office, White City Place, West London - Contract type: Full Time, 37.5 hours per wee k - ME+EM is one of the UKs fastest-growing luxury fashion brands. In addition to a thriving global digital presence, we operate flagship stores in London and Edinburgh, concessions within Harrods and Selfridges, and have recently expanded with new store openings in the U.S. At ME+EM we are an entrepreneurial, creative, and passionate group of people. We work hard, are enthusiastic to learn and are not afraid to take risks. Everyone contributes to our success at all levels, and that precisely what makes being a member of the team so rewarding. Our office and stores are always busy and fast paced, but we work just as hard to make sure its fun, with social activities and biannual parties.
About The Role - Taktile exists to create value for organizations through smarter and safer decisions at scale. Our goal is to become the world's leading software provider for automated decision-making in the financial services industry and, to date, our software has been used by our customers to power over 1000000 critical business decisions every day. * Taktile is based in Berlin, London and New York City. * Taktile was founded by machine learning and data science veterans with extensive experience building and running production ML in financial services. * Our team consists of engineers, entrepreneurs, and researchers with a diverse set of backgrounds. Some of us attended top universities such as Harvard, Oxford, and Stanford and some of us have no degree at all. * Our team has accumulated extensive work experience at leading tech companies such as Google, Amazon,
About The Role - Taktile exists to create value for organizations through smarter and safer decisions at scale. Our goal is to become the world's leading software provider for automated decision-making in the financial services industry and, to date, our software has been used by our customers to power over 1000000 critical business decisions every day. * Taktile is based in Berlin, London and New York City. * Taktile was founded by machine learning and data science veterans with extensive experience building and running production ML in financial services. * Our team consists of engineers, entrepreneurs, and researchers with a diverse set of backgrounds. Some of us attended top universities such as Harvard, Oxford, and Stanford and some of us have no degree at all. * Our team has accumulated extensive work experience at leading tech companies such as Google, Amazon,