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6 Contract API jobs in Wallingford + 20 miles
149 exact matches jobs are outside your preferred location
Join Proton and build a better internet where privacy is the default - At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech's invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive infor
Join Proton and build a better internet where privacy is the default - At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech's invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive infor
About us - Were an early-stage company operating in stealth, and while were not publicly sharing full details just yet, we can assure you the work ahead is ambitious, meaningful and exciting. As you progress through the hiring process, well share more about our mission, our technology and the team youll be joining. For now, what matters most is finding people who are energised by the pace and possibility of an emerging company and who want to help shape something from the ground up. What We Offer * High-impact environment: Join a company shaping the future of software, working with a team thats redefining how AI meets real-world business needs * Ownership and visibility: In a small, high-performing team, the impact of your work isnt theoretical, it actively shapes the companys direction * Empowerment through innovation: Use cutting-edge AI tools internally.
About us - Were an early-stage company operating in stealth, and while were not publicly sharing full details just yet, we can assure you the work ahead is ambitious, meaningful and exciting. As you progress through the hiring process, well share more about our mission, our technology and the team youll be joining. For now, what matters most is finding people who are energised by the pace and possibility of an emerging company and who want to help shape something from the ground up. What We Offer * High-impact environment: Join a company shaping the future of software, working with a team thats redefining how AI meets real-world business needs * Ownership and visibility: In a small, high-performing team, the impact of your work isnt theoretical, it actively shapes the companys direction * Empowerment through innovation: Use cutting-edge AI tools internally.
Experience with API design and implementing authentication/authorisation flows
Experience with API design and implementing authentication/authorisation flows
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API.
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API.
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You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
AI Engineer, Software Engineer, Machine Learning Engineer, LLM, GenAI, Agentic, LangChain, LangGraph, Langfuse, Python, Backend, API, MLflow, W&B, DVC, Evaluation, RAG, Retrieval, Semantic Search, Multimodal, Computer Vision, Speech-to-Text, Cloud, AWS, Azure, Model Deployment, UK Remote, Contractor, EdTech, Assessment Systems, Automated Scoring, Git, GitHub, UK Hours
AI Engineer, Software Engineer, Machine Learning Engineer, LLM, GenAI, Agentic, LangChain, LangGraph, Langfuse, Python, Backend, API, MLflow, W&B, DVC, Evaluation, RAG, Retrieval, Semantic Search, Multimodal, Computer Vision, Speech-to-Text, Cloud, AWS, Azure, Model Deployment, UK Remote, Contractor, EdTech, Assessment Systems, Automated Scoring, Git, GitHub, UK Hours
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Integrate automated API security testing workflows into the platform, ensuring reliability and accuracy of results.
Integrate automated API security testing workflows into the platform, ensuring reliability and accuracy of results.
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Familiarity with HTTP methods and API interaction design
Familiarity with HTTP methods and API interaction design
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We are looking for a highly skilled Lead Business Analyst / Product Owner to lead the design, development, and delivery of API solutions that enable seamless integration across our digital ecosystem. This hybrid role combines strategic product ownership with hands-on business analysis to ensure our API platform meets business needs, enhances interoperability, and supports scalable growth. * Define and own the API product backlog, aligning with business objectives and technology strategy. * Act as the voice of the customer for API consumers, ensuring usability and developer experience. * Gather, analyze, and document functional and non-functional requirements for API development. * Collaborate with architects and engineering teams to design API specifications, JSON, XM
We are looking for a highly skilled Lead Business Analyst / Product Owner to lead the design, development, and delivery of API solutions that enable seamless integration across our digital ecosystem. This hybrid role combines strategic product ownership with hands-on business analysis to ensure our API platform meets business needs, enhances interoperability, and supports scalable growth. * Define and own the API product backlog, aligning with business objectives and technology strategy. * Act as the voice of the customer for API consumers, ensuring usability and developer experience. * Gather, analyze, and document functional and non-functional requirements for API development. * Collaborate with architects and engineering teams to design API specifications, JSON, XM
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Your role as a GCP APIGEE specialist involves supporting teams with modern DevOps solutions, curating scalable GCP Cloud Products as IaaC, and building APIGEE/API solutions while modernising the APIGEE gateway. * Hands-on development and management of Google Apigee API Management Platform * Design, build, and deploy API proxies, policies, and configurations in Apigee * Implement CI/CD pipelines for API lifecycle management using tools like Jenkins, GitHub Actions, or Harness * Develop and maintain API security policies (OAuth, JWT, mTLS, rate limiting, threat protection) * Build automated workflows and scripts for API operations using Python * Manage API analytics, monitoring, and logging for performance and compliance * Enforce GCP Organization Polic
Your role as a GCP APIGEE specialist involves supporting teams with modern DevOps solutions, curating scalable GCP Cloud Products as IaaC, and building APIGEE/API solutions while modernising the APIGEE gateway. * Hands-on development and management of Google Apigee API Management Platform * Design, build, and deploy API proxies, policies, and configurations in Apigee * Implement CI/CD pipelines for API lifecycle management using tools like Jenkins, GitHub Actions, or Harness * Develop and maintain API security policies (OAuth, JWT, mTLS, rate limiting, threat protection) * Build automated workflows and scripts for API operations using Python * Manage API analytics, monitoring, and logging for performance and compliance * Enforce GCP Organization Polic
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Strong background in system/API design.
Strong background in system/API design.
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Develop the backend API integrations necessary for the AI agent to automatically publish its generated test guides to our internal web platform.
Develop the backend API integrations necessary for the AI agent to automatically publish its generated test guides to our internal web platform.
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Contract: Automation Architect - Start Date: ASAP - Duration: 6 months - Location: Remote - UK - Rate: circa £550 - £590 per day outside of IR35 - This role is for a highly skilled and experienced Automation Architect responsible for the end-to-end delivery of on-premise private cloud infrastructure automation solutions. The ideal person will bridge the gap between architectural design, process analysis, and hands-on implementation, ensuring that infrastructure is provisioned and managed efficiently via Infrastructure as Code (IaC) principles utilizing a robust CI/CD pipeline orchestrated by Git runner technology. This automation will specifically target the deployment and management of environments hosting Containers (e.g., Kubernetes, OpenShift) and traditional Virtual Machines (VMs). Responsibilities - Strategy and Analysis
Contract: Automation Architect - Start Date: ASAP - Duration: 6 months - Location: Remote - UK - Rate: circa £550 - £590 per day outside of IR35 - This role is for a highly skilled and experienced Automation Architect responsible for the end-to-end delivery of on-premise private cloud infrastructure automation solutions. The ideal person will bridge the gap between architectural design, process analysis, and hands-on implementation, ensuring that infrastructure is provisioned and managed efficiently via Infrastructure as Code (IaC) principles utilizing a robust CI/CD pipeline orchestrated by Git runner technology. This automation will specifically target the deployment and management of environments hosting Containers (e.g., Kubernetes, OpenShift) and traditional Virtual Machines (VMs). Responsibilities - Strategy and Analysis
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Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Experience in Python, NodeJS and proficient in React, with strong understanding of integration patterns and secure API design.
Experience in Python, NodeJS and proficient in React, with strong understanding of integration patterns and secure API design.
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Connect with Eutelsat Group - Be part of a new era in communications, transforming connectivity with Eutelsat Group the worlds first GEO-LEO integrated global satellite operator. As a leader in satellite communications, we provide global connectivity solutions - connecting businesses, communities, and governments around the world. We can connect you at on land, at sea and in the air. We also deliver broadcast television channels and packages, transmitting vital news reports around the world. * Pioneer the future of Space Technology * Bring connectivity to remote frontiers * Collaborate with customer-centric experts * Embrace cultural diversity in our global team - In a dynamic industry where passion drives our teams to make a difference to become the most trusted partner for global satellite connectivity, you will elevate your skills in a stretching, rewarding, and me
Connect with Eutelsat Group - Be part of a new era in communications, transforming connectivity with Eutelsat Group the worlds first GEO-LEO integrated global satellite operator. As a leader in satellite communications, we provide global connectivity solutions - connecting businesses, communities, and governments around the world. We can connect you at on land, at sea and in the air. We also deliver broadcast television channels and packages, transmitting vital news reports around the world. * Pioneer the future of Space Technology * Bring connectivity to remote frontiers * Collaborate with customer-centric experts * Embrace cultural diversity in our global team - In a dynamic industry where passion drives our teams to make a difference to become the most trusted partner for global satellite connectivity, you will elevate your skills in a stretching, rewarding, and me
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We are seeking a skilled Full Stack Developer to lead the development of a scalable, secure, and user-centric analytics platform. This is a12 Months fixed term role, you must be UK based, the role is fully remote. Full Stack Developer - Role Responsibilities * Develop and maintain the React-based UI and Golang microservices backend * Design intuitive user experiences and deliver feature-rich portal modules * Implement and optimise CI/CD pipelines for automated deployment and testing. * Integrate with external * Build and manage APIs for internal and customer-facing services. * Participate in architectural decisions and contribute to the platforms roadmap. Full Stack Developer -Essential Experience * Proven experience in full stack development * Strong proficiency in React, JavaScript, PHP Symfony, and Golang
We are seeking a skilled Full Stack Developer to lead the development of a scalable, secure, and user-centric analytics platform. This is a12 Months fixed term role, you must be UK based, the role is fully remote. Full Stack Developer - Role Responsibilities * Develop and maintain the React-based UI and Golang microservices backend * Design intuitive user experiences and deliver feature-rich portal modules * Implement and optimise CI/CD pipelines for automated deployment and testing. * Integrate with external * Build and manage APIs for internal and customer-facing services. * Participate in architectural decisions and contribute to the platforms roadmap. Full Stack Developer -Essential Experience * Proven experience in full stack development * Strong proficiency in React, JavaScript, PHP Symfony, and Golang
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Principal Security Engineer (Vulnerability Management)
Principal Security Engineer (Vulnerability Management)
Oracle Corporation (UK) Ltd
South East
Competitive
Who We Are - We are a world-class team of high calibre application security researchers and engineers who thrive on new challenges. We are an inclusive and diverse team with a full spectrum of experience distributed globally. We have the resources of a large enterprise and the energy of a start-up, working on a critical Greenfield software assurance project collaboratively with our cloud and mobile engineering teams. The Software Assurance organization has the mission is to make application security and software assurance, at scale, a reality. We are a dedicated team, leveraging each others insights and abilities to produce cutting edge solutions to difficult problems through automation and CI/CD. Join us to grow your career and create the future of software assurance at scale together. What Youll Bring
Who We Are - We are a world-class team of high calibre application security researchers and engineers who thrive on new challenges. We are an inclusive and diverse team with a full spectrum of experience distributed globally. We have the resources of a large enterprise and the energy of a start-up, working on a critical Greenfield software assurance project collaboratively with our cloud and mobile engineering teams. The Software Assurance organization has the mission is to make application security and software assurance, at scale, a reality. We are a dedicated team, leveraging each others insights and abilities to produce cutting edge solutions to difficult problems through automation and CI/CD. Join us to grow your career and create the future of software assurance at scale together. What Youll Bring
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Do you want your coding skills to make a real difference? Join a mission-driven tech-for-good organisation and help build websites and digital tools that positively impact communities. Were looking for a talented WordPress Developerto take ownership of digital platforms. Youll work on everything from themes and custom plugins to integrations and cloud-based solutions, ensuring the sites are fast, secure, and scalable. * Fully remote within the UK * Salary up to £50,000 * 33 days annual leave * Pension & healthcare * A role with genuine social impact * A supportive, mission-driven workplace * Professional development and clear career progression * Building and enhancing WordPress websites with clean, maintainable code * Collaborating with designers, content creators, and stakeholders to bring digital ideas to life
Do you want your coding skills to make a real difference? Join a mission-driven tech-for-good organisation and help build websites and digital tools that positively impact communities. Were looking for a talented WordPress Developerto take ownership of digital platforms. Youll work on everything from themes and custom plugins to integrations and cloud-based solutions, ensuring the sites are fast, secure, and scalable. * Fully remote within the UK * Salary up to £50,000 * 33 days annual leave * Pension & healthcare * A role with genuine social impact * A supportive, mission-driven workplace * Professional development and clear career progression * Building and enhancing WordPress websites with clean, maintainable code * Collaborating with designers, content creators, and stakeholders to bring digital ideas to life
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Espire Infolabs is hiring forJDA Dispatcher Developer for UK with 100% remote working - Job Title:JDA Dispatcher Developer - Job Type: Permanent - Job Location: 100% Remote - Job Description, Develop & maintain custom enhancements, interfaces, and extensions within the JDA Dispatcher WMS environment. Design & implement system configurations, rules changes and new functionalities to meet evolving business needs. Participating in the implementation of new JDA Dispatcher systems, including configuring the system based on business requirements and conducting user training. Working on integrating the JDA Dispatcher WMS with other systems like ERP, TMS, and material handling equipment (MHE). Analysing and troubleshooting technical problems related to the JDA Dispatcher WMS, including performance issues, integration problems, and user-related operational issues.
Espire Infolabs is hiring forJDA Dispatcher Developer for UK with 100% remote working - Job Title:JDA Dispatcher Developer - Job Type: Permanent - Job Location: 100% Remote - Job Description, Develop & maintain custom enhancements, interfaces, and extensions within the JDA Dispatcher WMS environment. Design & implement system configurations, rules changes and new functionalities to meet evolving business needs. Participating in the implementation of new JDA Dispatcher systems, including configuring the system based on business requirements and conducting user training. Working on integrating the JDA Dispatcher WMS with other systems like ERP, TMS, and material handling equipment (MHE). Analysing and troubleshooting technical problems related to the JDA Dispatcher WMS, including performance issues, integration problems, and user-related operational issues.
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Job Title: Full Stack Developer - Location: London, UK (Hybrid Work Mode) Job Type: Permanent - We are seeking a Full Stack Developer with strong experience in web application development, particularly focusing on the integration of Generative AI and Agentic Application models. You will play a key role in building and enhancing innovative solutions that leverage both advanced front-end and back-end technologies in a cloud environment. * Develop robust web applications integrating Generative AI and Agentic Application models. * Design and build scalable, responsive front-end interfaces. * Create and maintain efficient back-end systems and APIs. * Integrate AI frameworks into applications and support deployment in cloud environments. * Collaborate with DevOps teams to implement CI/CD pipelines and manage infrastructure.
Job Title: Full Stack Developer - Location: London, UK (Hybrid Work Mode) Job Type: Permanent - We are seeking a Full Stack Developer with strong experience in web application development, particularly focusing on the integration of Generative AI and Agentic Application models. You will play a key role in building and enhancing innovative solutions that leverage both advanced front-end and back-end technologies in a cloud environment. * Develop robust web applications integrating Generative AI and Agentic Application models. * Design and build scalable, responsive front-end interfaces. * Create and maintain efficient back-end systems and APIs. * Integrate AI frameworks into applications and support deployment in cloud environments. * Collaborate with DevOps teams to implement CI/CD pipelines and manage infrastructure.
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The role bridges business goals with technical execution, leading client engagements from pre-sales through delivery, while also contributing directly as a software engineer on scalable geospatial components, API and data pipelines.
The role bridges business goals with technical execution, leading client engagements from pre-sales through delivery, while also contributing directly as a software engineer on scalable geospatial components, API and data pipelines.
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- Shoreditch
- The City, City (EC4)
- Southwark
- Datchet Common
- Euston
- Freshbrook
- Ireland
- Longbridge
- St James
- The City, City (EC2)
- City of London
- Milton Keynes
- Central London
- West End
- East London
- Reading
- Stevenage
- Windsor
- South East London
- South West London
- London
- Berkshire
- Buckinghamshire
- Hertfordshire
- Hampshire
- Surrey
- Bedfordshire
- Wiltshire
- Northamptonshire
- Oxfordshire
- South East
- Midlands
- South West
- East Midlands
- West Midlands