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Locations
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Date posted
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- The City, City (EC3)
- Frimley
- Shadwell
- Soho
- Southwark
- The City, City (EC4)
- Charing Cross
- Covent Garden
- Englefield
- Fivensgreen
- City of London
- Central London
- West End
- Reading
- East London
- Milton Keynes
- Bedford
- Cambridge
- Camberley
- Hemel Hempstead
- London
- Berkshire
- Hertfordshire
- Surrey
- Buckinghamshire
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56 Contract API jobs in Brompton, South West London + 20 miles
222 exact matches jobs are outside your preferred location
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Day Rate: £500 - £700 - Duration: 6 months - IR35: Outside Scope - Overview - Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Engage in diverse and challenging projects, delivering immediate value to clients while enhancing your technical skills. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. * Experience the flexibility of contract work, allowing you to choose projects that align with your expertise and career goals. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. Key Skills
Day Rate: £500 - £700 - Duration: 6 months - IR35: Outside Scope - Overview - Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Engage in diverse and challenging projects, delivering immediate value to clients while enhancing your technical skills. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. * Experience the flexibility of contract work, allowing you to choose projects that align with your expertise and career goals. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. Key Skills
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We are looking for a Web Developer to design a search page for a website where it will pull data from a CRM platform which has an Open API and return the results in a clean format.
We are looking for a Web Developer to design a search page for a website where it will pull data from a CRM platform which has an Open API and return the results in a clean format.
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We're looking for a skilled Full-Stack Developer who thrives at the intersection of geospatial data, modern web technologies, and backend API development. Backend: Node.js, Python, .NET (or equivalent) API development * Proven experience in front-end mapping libraries and backend API development
We're looking for a skilled Full-Stack Developer who thrives at the intersection of geospatial data, modern web technologies, and backend API development. Backend: Node.js, Python, .NET (or equivalent) API development * Proven experience in front-end mapping libraries and backend API development
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Strong understanding of JSON data structures and API calls.
Strong understanding of JSON data structures and API calls.
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Have practical knowledge of C#, Web API testing, Azure portal
Have practical knowledge of C#, Web API testing, Azure portal
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
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Experience with relational databases and API design.
Experience with relational databases and API design.
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As the leader of the Shipping Platform product, you will guide a team of product managers in delivering cutting-edge solutions across both mobile, web and API platforms at a global scale, ensuring alignment with eBays strategic goals around driving GMV and revenues.
As the leader of the Shipping Platform product, you will guide a team of product managers in delivering cutting-edge solutions across both mobile, web and API platforms at a global scale, ensuring alignment with eBays strategic goals around driving GMV and revenues.
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Understanding of web services (HTTP, Web API, Web protocols)
Understanding of web services (HTTP, Web API, Web protocols)
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API development using technologies and standards like REST/GraphQL/gRPC or similar.
API development using technologies and standards like REST/GraphQL/gRPC or similar.
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Expertise in cloud architecture, microservices, API gateway design, DevOps practices, datapipelines, and enterprise service mesh architecture.
Expertise in cloud architecture, microservices, API gateway design, DevOps practices, datapipelines, and enterprise service mesh architecture.
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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
Experience defining product functional specifications including API, CLI and GUI
Experience defining product functional specifications including API, CLI and GUI
Collaborate with Ops Tech to manage API use, system performance, and platform scalability. * Working knowledge of JavaScript or Python for API interactions for customizations.
Collaborate with Ops Tech to manage API use, system performance, and platform scalability. * Working knowledge of JavaScript or Python for API interactions for customizations.
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Full Stack Developer .NET / Angular - Hybrid 2 -3 days based in Coleshill, Warwickshire (UK-based) | Permanent | Full-Time? Work on a global SaaS platform transforming recruitment tech - Microsoft Partner | Cutting-Edge Greenfield Projects | Agile Delivery - About Mercury - Mercury is a fast-growing SaaS business operating in close partnership with Microsoft. We specialise in delivering market-leading recruitment technology to professional staffing sectors worldwide. Our flagship product is a custom-built Applicant Tracking System (ATS) built on Microsoft Dynamics 365, tailored specifically for recruitment agencies and talent-focused businesses. With a modern tech stack and a culture of innovation, were on a mission to transform how recruitment businesses operate empowering them with scalable, intuitive software solutions. The Role
Full Stack Developer .NET / Angular - Hybrid 2 -3 days based in Coleshill, Warwickshire (UK-based) | Permanent | Full-Time? Work on a global SaaS platform transforming recruitment tech - Microsoft Partner | Cutting-Edge Greenfield Projects | Agile Delivery - About Mercury - Mercury is a fast-growing SaaS business operating in close partnership with Microsoft. We specialise in delivering market-leading recruitment technology to professional staffing sectors worldwide. Our flagship product is a custom-built Applicant Tracking System (ATS) built on Microsoft Dynamics 365, tailored specifically for recruitment agencies and talent-focused businesses. With a modern tech stack and a culture of innovation, were on a mission to transform how recruitment businesses operate empowering them with scalable, intuitive software solutions. The Role
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Experience designing and managing API-based integrations and middleware tools (e.g., Zapier, Workato, Tray.io)
Experience designing and managing API-based integrations and middleware tools (e.g., Zapier, Workato, Tray.io)
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Hands-on API experience youve owned partner integrations end-to-end.
Hands-on API experience youve owned partner integrations end-to-end.
Experience of REST API protocols, and application of APIs to extract/load data, is desirable.
Experience of REST API protocols, and application of APIs to extract/load data, is desirable.
Role & Responsibilities - Role Overview - As a Junior Backend Engineer at Grabyo; you will have exposure to the backend APIs and services that power the core of the Grabyo Platform. Some days, you might be part of the team behind key features like building markers in the Live clipping or AI-powered highlights workflows. Other days, you could contribute to evolving our architecture as we advance towards a scalable, microservices-based platform. Java, Spring, Go, Node.js, NoSQL, serverless architectures, microservices, Terraform, AWS SAM, DynamoDB, media processing, Terraform, AWS Lambda these are a few of the state-of-the-art techs you will be working with - To make sure you keep growing your knowledge around tech, we provide you with professional development opportunities like Hackathons, development budget and pair programming days to improve our automated testing cu
Role & Responsibilities - Role Overview - As a Junior Backend Engineer at Grabyo; you will have exposure to the backend APIs and services that power the core of the Grabyo Platform. Some days, you might be part of the team behind key features like building markers in the Live clipping or AI-powered highlights workflows. Other days, you could contribute to evolving our architecture as we advance towards a scalable, microservices-based platform. Java, Spring, Go, Node.js, NoSQL, serverless architectures, microservices, Terraform, AWS SAM, DynamoDB, media processing, Terraform, AWS Lambda these are a few of the state-of-the-art techs you will be working with - To make sure you keep growing your knowledge around tech, we provide you with professional development opportunities like Hackathons, development budget and pair programming days to improve our automated testing cu
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Date: Aug 29, 2025 Company: Location: Dalgety Bay, GB, KY11 9JU - Ingenico is the global leader in payments acceptance solutions. As the trusted technology partner for merchants, banks, acquirers, ISVs, payment aggregators and fintech customers our world-class terminals, solutions and services enable the global ecosystem of payments acceptance. With 40 years of experience, innovation is integral to Ingenicos approach and culture, inspiring our large and diverse community of experts who anticipate and help shape the evolution of commerce worldwide. At Ingenico, trust and sustainability are at the heart of everything we do. Job mission - The role is to support our customers and 3rd party organisations integrate Ingenico payment solutions into their POS payment infrastructure through development, pilot and deployment stages.
Date: Aug 29, 2025 Company: Location: Dalgety Bay, GB, KY11 9JU - Ingenico is the global leader in payments acceptance solutions. As the trusted technology partner for merchants, banks, acquirers, ISVs, payment aggregators and fintech customers our world-class terminals, solutions and services enable the global ecosystem of payments acceptance. With 40 years of experience, innovation is integral to Ingenicos approach and culture, inspiring our large and diverse community of experts who anticipate and help shape the evolution of commerce worldwide. At Ingenico, trust and sustainability are at the heart of everything we do. Job mission - The role is to support our customers and 3rd party organisations integrate Ingenico payment solutions into their POS payment infrastructure through development, pilot and deployment stages.
Location: UK remote - Division: Ticketmaster - Line Manager: Sr Manager - Network Services - Contract Terms: Permanent, 40 hours per week - The Network Reliability Engineering (NRE) team is a newly established group within our global network team, focused on bringing a software-first approach to network engineering and operations. Our mission is to eliminate manual effort, improve reliability, and enable agility through automation. As a software engineering team, NRE partners closely with the core network team to identify operational challenges and build automation solutions that scale. We also collaborate with other software engineering teams within the infrastructure group to deliver end-to-end tooling and services. The team plays a critical role in evolving the way networks are managedleveraging automation frameworks, observability tools, and SRE best practices to
Location: UK remote - Division: Ticketmaster - Line Manager: Sr Manager - Network Services - Contract Terms: Permanent, 40 hours per week - The Network Reliability Engineering (NRE) team is a newly established group within our global network team, focused on bringing a software-first approach to network engineering and operations. Our mission is to eliminate manual effort, improve reliability, and enable agility through automation. As a software engineering team, NRE partners closely with the core network team to identify operational challenges and build automation solutions that scale. We also collaborate with other software engineering teams within the infrastructure group to deliver end-to-end tooling and services. The team plays a critical role in evolving the way networks are managedleveraging automation frameworks, observability tools, and SRE best practices to
Salary: £60,000 - £75,000k - Location: Remote, must be UK-based - Why Midnite? Midnite is a next-generation betting platform that is built for todays fandom. We are a collective of engineers and designers who all share a passion for building the best sportsbook & casino experience possible, allowing our fans to feel closer to the games they love through the rush of winning money. Unlike the alternatives, Midnite doesn't feel like a website built two decades ago. Instead, it's a cutting-edge creation, designed and constructed from the ground up with the latest technologies. Crafting an experience that's truly intuitive, immersive, and immediately understandable is no walk in the park, but we thrive on the challenge. We believe we're on the brink of creating something truly awesome. What will you do? In this role, youll actively develop and maintain key features of our
Salary: £60,000 - £75,000k - Location: Remote, must be UK-based - Why Midnite? Midnite is a next-generation betting platform that is built for todays fandom. We are a collective of engineers and designers who all share a passion for building the best sportsbook & casino experience possible, allowing our fans to feel closer to the games they love through the rush of winning money. Unlike the alternatives, Midnite doesn't feel like a website built two decades ago. Instead, it's a cutting-edge creation, designed and constructed from the ground up with the latest technologies. Crafting an experience that's truly intuitive, immersive, and immediately understandable is no walk in the park, but we thrive on the challenge. We believe we're on the brink of creating something truly awesome. What will you do? In this role, youll actively develop and maintain key features of our
Homeworking , Nationwide - Full Time , Permanent - Closing date: 23 September 2025 - Apply - We're looking for a Senior Data Engineer to join our Data & Analytics team at Willmott Dixon to help drive the next wave of our data platform in Microsoft Fabric. Although the IT team are based at our head office in Letchworth Garden City, this role can be done as either a hybrid, or a remote role. Occasional travel to other sites may be required according to business needs. The Role - As a Senior Data Engineer, you'll be at the heart of designing and delivering scalable, reliable data products and pipelines that power decision-making and drive business performance. You'll work closely with analysts, developers, and stakeholders to align data engineering efforts with business goals and needs. You'll play a key role in shaping how we deliver a trusted, single source of truth pl
Homeworking , Nationwide - Full Time , Permanent - Closing date: 23 September 2025 - Apply - We're looking for a Senior Data Engineer to join our Data & Analytics team at Willmott Dixon to help drive the next wave of our data platform in Microsoft Fabric. Although the IT team are based at our head office in Letchworth Garden City, this role can be done as either a hybrid, or a remote role. Occasional travel to other sites may be required according to business needs. The Role - As a Senior Data Engineer, you'll be at the heart of designing and delivering scalable, reliable data products and pipelines that power decision-making and drive business performance. You'll work closely with analysts, developers, and stakeholders to align data engineering efforts with business goals and needs. You'll play a key role in shaping how we deliver a trusted, single source of truth pl
Job Description Summary - We are looking for a results-driven Data Engineer to join our Grid Innovation team and help shape the future of energy through AI. In this role, you will design, build, and maintain the infrastructure and data pipelines that power advanced AI/ML applications, driving innovation in the energy sector. Your work will enable efficient data collection, processing, storage, and analysis across complex and high-stakes environments. Experience in the energy sector, smart infrastructure, or industrial automation is essential, as you will be supporting mission-critical systems where both regulatory compliance and operational reliability are paramount. Reporting to the AI Leader within the CTO organization, you will collaborate closely with Grid Automation (GA) product lines, R&D teams, product management, and other GA functions.
Job Description Summary - We are looking for a results-driven Data Engineer to join our Grid Innovation team and help shape the future of energy through AI. In this role, you will design, build, and maintain the infrastructure and data pipelines that power advanced AI/ML applications, driving innovation in the energy sector. Your work will enable efficient data collection, processing, storage, and analysis across complex and high-stakes environments. Experience in the energy sector, smart infrastructure, or industrial automation is essential, as you will be supporting mission-critical systems where both regulatory compliance and operational reliability are paramount. Reporting to the AI Leader within the CTO organization, you will collaborate closely with Grid Automation (GA) product lines, R&D teams, product management, and other GA functions.
Related Jobs
Locations
- The City, City (EC3)
- Frimley
- Shadwell
- Soho
- Southwark
- The City, City (EC4)
- Charing Cross
- Covent Garden
- Englefield
- Fivensgreen
- City of London
- Central London
- West End
- Reading
- East London
- Milton Keynes
- Bedford
- Cambridge
- Camberley
- Hemel Hempstead
- London
- Berkshire
- Hertfordshire
- Surrey
- Buckinghamshire
- Bedfordshire
- Cambridgeshire
- Oxfordshire
- Hampshire
- West Sussex
- South East
- East Anglia