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14 api developer jobs found

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United Kingdom api developer Remote
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Contract Spy
Mar 26, 2026
Duration not stated
Senior Java Developer - AI Practice at Agilisys, Remote, 3 Months, £Contract Rate
Contract Spy Remote (Wigan, UK)
Title: Senior Java Developer (3 month contract) Location: Home Working Division: AI Practice Work mode: Remote Are you passionate about cutting-edge engineering, data‑driven solutions, and working directly with customers to deliver high‑impact technology outcomes? Do you have deep Java expertise and an interest in building solutions within the Microsoft Fabric and Azure ecosystem? If so, we would love to hear from you!   ABOUT US Agilisys is at the forefront of digital transformation and innovation in the public services sector. With over two decades of experience, we have established ourselves as a trusted partner for governments, local authorities, and organisations nationwide. Our mission is to empower our clients to deliver exceptional public services by harnessing the full potential of technology and data.   OUR VALUES Partnership: we become one team and family with organisations, helping them to...
Contract Spy
Mar 30, 2026
up to 6 Months
Fullstack Product Engineer at IconicShift, Remote, to 7/26, £Contract Rate
Contract Spy Remote (London, UK)
About IconicShift IconicShift AI is building a platform that turns founder intent into usable strategic outputs — clear strategies, investor-grade pitches, and practical roadmaps. It is based on the experience of Mike Harris, founding CEO of First Direct (the world’s first telephone bank), founding CEO of Egg (the world’s first internet bank), and CEO of Mercury Communications (that created some of the UK’s first mobile and cable networks). Most founders don’t fail because they lack ideas or options. They fail because their thinking drifts and they can’t afford the experienced support they need. Their story changes, priorities multiply, and the business loses its single direction. Most AI approaches just help them fail faster by accelerating rushed decisions. IconicShift works by creating a single source of strategic truth, where every decision is tracked and held to account. It refuses to move forward without explicit...
Contract Spy
Mar 19, 2026
up to 6 Months
Senior Java Developer at Agilisys, Remote, 3 Months, £Contract Rate
Contract Spy Remote (Wigan, UK)
Title: Senior Java Developer (3 month contract) Location: Home Working Division: AI Practice Work mode: Remote Are you passionate about cutting-edge engineering, data‑driven solutions, and working directly with customers to deliver high‑impact technology outcomes? Do you have deep Java expertise and an interest in building solutions within the Microsoft Fabric and Azure ecosystem? If so, we would love to hear from you!   ABOUT US Agilisys is at the forefront of digital transformation and innovation in the public services sector. With over two decades of experience, we have established ourselves as a trusted partner for governments, local authorities, and organisations nationwide. Our mission is to empower our clients to deliver exceptional public services by harnessing the full potential of technology and data.   OUR VALUES Partnership: we become one team and family with organisations, helping them to...
Contract Spy
Mar 10, 2026
up to 6 Months
Azure Cloud Developer at Satalia, Remote/London, 3 Months +, £Contract Rate
Contract Spy Remote (London, UK)
Azure Cloud Developer Contract 3 months + Role type: Contract Location: UK, London, Remote Preferred start date: ASAP LIFE AS A SATALIAN As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the most complex problems in industry. Satalia, a WPP Company, is a community of individuals devoted to working on diverse and challenging projects, allowing you to flex your technical skills whilst working with a tight knit team of high performing colleagues. Led by our founder (who is also WPP’s Chief AI Officer), Satalia’s ambition is to become a decentralised organisation of the future. Today this involves developing tools and processes to liberate and automate manual repetitive tasks, with a focus on freedom, transparency and trust. At the core of our thinking is an approach to wellbeing and inclusivity. We unpack human behaviour and unpick prejudice to ensure a safe and inviting environment. We...
Contract Spy
Mar 19, 2026
Hourly/Freelance
AI-Enabled Fullstack Developer at Future Works, Remote, £Freelance Rate
Contract Spy Remote (London, UK)
Description Future Works is searching for a results-driven, AI-Enabled Fullstack Engineer with strong end-to-end experience building custom software solutions. In this role, you will own the development and delivery of scalable, production-grade applications, from architecture through deployment, ensuring solutions are aligned with client requirements and business objectives.   Working within an agentic engineering environment, you will collaborate closely with product managers, designers, and stakeholders to translate business goals into robust technical implementations. By leveraging modern AI-assisted development tools, you will increase the speed and quality of delivery while maintaining strong engineering standards and architectural discipline.   What You’ll Do Design and build production-grade applications with React and Next.js Translate product and client requirements into structured implementation plans...
Contract Spy
Mar 30, 2026
Duration not stated
Rust Developer - AI Training at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
Contract Remote Role Description As an hourly paid, fully remote Rust Engineer for AI Data Training, you will review AI-generated Rust code and explanations or generate your own, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained. You will assess solutions for correctness, safety, and adherence to the prompt; identify errors in ownership, borrowing, lifetimes, or algorithmic reasoning; fact-check information; write high-quality explanations and model solutions that demonstrate idiomatic Rust patterns; and rate and compare multiple AI responses based on correctness and reasoning quality. This role is with, a fast-growing AI Data Services company and subsidiary of that provides AI training data for many of the world’s largest AI companies and foundation model labs. Your work will directly help improve the world’s premier AI models...
Contract Spy
Mar 25, 2026
Hourly/Freelance
Game Engine Developer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote (Cambridge, UK)
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Game Engine Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work...
Contract Spy
Mar 23, 2026
Duration not stated
Rust Developer - AI Training at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
Contract Remote Role Description As an hourly paid, fully remote Rust Engineer for AI Data Training, you will review AI-generated Rust code and explanations or generate your own, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained. You will assess solutions for correctness, safety, and adherence to the prompt; identify errors in ownership, borrowing, lifetimes, or algorithmic reasoning; fact-check information; write high-quality explanations and model solutions that demonstrate idiomatic Rust patterns; and rate and compare multiple AI responses based on correctness and reasoning quality. This role is with, a fast-growing AI Data Services company and subsidiary of that provides AI training data for many of the world’s largest AI companies and foundation model labs. Your work will directly help improve the world’s premier AI models...
Contract Spy
Mar 19, 2026
Hourly/Freelance
Senior AI-Native Developer at Thoth AI, Remote, £Freelance Rate
Contract Spy Remote (United Kingdom)
Senior AI-Native Developer (Global Remote / Freelance)   The Vision We are seeking New Generation of Developers —one who views AI as their primary collaborator rather than just a tool. You will leverage the latest reasoning models and Agentic Workflows to redefine the development paradigm, shifting the focus from how to write code to how to define logic and verify outcomes.   Key Responsibilities AI-Augmented Development: Masterfully utilize AI coding assistants (Cursor, GitHub Copilot, Windsurf, Claude Code) to achieve hyper-efficient feature delivery and refactoring. Model Capability Testing: Participate in advanced AI Coding Benchmarks, identifying logical pitfalls (hallucinations) in model-generated code and providing high-quality RLHF (Reinforcement Learning from Human Feedback) corrections. Vibe Coding Practice: Explore and optimize natural language-driven development flows. Refine prompt strategies to increase AI...
Contract Spy
Mar 16, 2026
Duration not stated
Rust Developer - AI Training at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
Contract Remote Role Description As an hourly paid, fully remote Rust Engineer for AI Data Training, you will review AI-generated Rust code and explanations or generate your own, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained. You will assess solutions for correctness, safety, and adherence to the prompt; identify errors in ownership, borrowing, lifetimes, or algorithmic reasoning; fact-check information; write high-quality explanations and model solutions that demonstrate idiomatic Rust patterns; and rate and compare multiple AI responses based on correctness and reasoning quality. This role is with, a fast-growing AI Data Services company and subsidiary of that provides AI training data for many of the world’s largest AI companies and foundation model labs. Your work will directly help improve the world’s premier AI models...
Contract Spy
Mar 10, 2026
Hourly/Freelance
Web Developer- AI Trainer at DataAnnotation, Remote, From £29.61 an hour
£200 - £240 per day
Contract Spy Remote (London, UK)
Full job description Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient  Web Developer  to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some...
Contract Spy
Mar 26, 2026
6 Months or more
AI Engineer at RedRock Consulting, Remote/London, 6 Months, £Contract Rate
Contract Spy Remote (London Area, United Kingdom)
Contract AI Engineer – AI Applications (Databricks)   Inside IR35 | 6 Months | Primarily Remote (Occasional London Travel)   We’re looking for a Data Engineer to join a multidisciplinary team building AI-powered, client-facing applications . This role will focus on developing and optimising data platforms and pipelines that enable advanced analytics and AI capabilities.   You’ll work within an Agile/Scrum delivery team , collaborating with engineers, analysts, and product stakeholders to deliver scalable, high-quality data solutions in a cloud environment.   Key Responsibilities Design and build scalable data pipelines to support AI and analytics workloads Develop and deploy AI pipelines in cloud environments Work closely with engineering and product teams to support AI-driven applications Ensure high standards of data quality, performance, and reliability Contribute to delivery...
Contract Spy
Mar 18, 2026
Duration not stated
PPC Specialist at School Jotter, Remote/Leeds, £Contractor Option
Contract Spy Remote (Leeds, UK)
PPC Specialist Location: Leeds About School Jotter: School Jotter powers over thousands of school websites across the UK, helping schools communicate better with parents, meet Ofsted requirements, and present their values with impact. As we expand our marketing team, we’re looking for a data-driven  PPC Specialist  to accelerate inbound leads and fuel our growth. You will take full ownership of our paid media strategy across Google Ads, Microsoft Ads, and social platforms. With a sharp focus on ROI, you’ll manage campaigns end-to-end: from keyword research and ad creation to landing page optimization and performance reporting. Role Overview: Plan, launch, and optimise PPC campaigns for lead generation Own and manage Google Ads & Meta Ads accounts Run A/B tests on ad copy and landing pages Monitor KPIs and deliver regular performance insights Collaborate with sales and...
Contract Spy
Mar 17, 2026
6 Months or more
Cloud Product Manager at Met Office, Remote/Exeter, 12 Months, £Contract Rate
Contract Spy Remote (Exeter, UK)
The Met Office is modernising the technology foundations that power weather and climate services used across government, science and industry. We're looking for an experienced Product Manager to help shape and improve the internal platforms that our developers, scientists and service teams rely on every day.   You'll join Platform Technology - a part of the organisation responsible for shared, cross-cutting capabilities such as developer tools, APIs, data pipelines and infrastructure services. Your job is to make these platforms reliable, discoverable and enabling: reducing delivery friction, improving user experience, and helping downstream service teams ship faster and more safely.   You'll be working at the heart of one of the UK's most data-intensive organisations - helping to modernise the digital infrastructure that supports global weather and climate operations. It's a rare chance to practice real product management in a legacy / brownfield...
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