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56 Contract API jobs in Gilwell Park + 20 miles
171 exact matches jobs are outside your preferred location
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About Revolut - People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products including spending, saving, investing, exchanging, travelling, and more help our 60+ million customers get more from their money every day. As we continue our lightning-fast growth,? 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to Work. So far, we have 10,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution. About the role
About Revolut - People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products including spending, saving, investing, exchanging, travelling, and more help our 60+ million customers get more from their money every day. As we continue our lightning-fast growth,? 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to Work. So far, we have 10,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution. About the role
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About The Role - Ecotricity, the UKs first true green energy provider, has a strong internal team supporting and developing solutions across multiple mission critical platforms including Databricks on AWS, SQL, Power BI and other cloud centric data solutions. This technical hands-on role, of Data Engineer, will contribute to our delivery of projects, BAU, and helping Ecotricity become more efficient by leveraging our data. In addition to the technologies above, we also use Python, APIs, and various ETL solutions interfacing with a small number of legacy systems. Responsibilities * Take ownership for delivering all asks made of you on time and to specification. * Build strong relationships with key stakeholders outside the department. * Be responsible for data quality and ensuring problems are resolved swiftly.
About The Role - Ecotricity, the UKs first true green energy provider, has a strong internal team supporting and developing solutions across multiple mission critical platforms including Databricks on AWS, SQL, Power BI and other cloud centric data solutions. This technical hands-on role, of Data Engineer, will contribute to our delivery of projects, BAU, and helping Ecotricity become more efficient by leveraging our data. In addition to the technologies above, we also use Python, APIs, and various ETL solutions interfacing with a small number of legacy systems. Responsibilities * Take ownership for delivering all asks made of you on time and to specification. * Build strong relationships with key stakeholders outside the department. * Be responsible for data quality and ensuring problems are resolved swiftly.
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426621 Automation Engineer, Automation Platforms - GlaxoSmithKline (GSK) is searching for experienced and technically adept Automation Engineer to join our new RTech Automation team within Data, Automation & Predictive Sciences (DAPS) in our Research Technologies (RTech) division. RTech Automation will spearhead the integration of automation technologies into our scientific workflows to deliver biology and data at scale. A critical component of RTech's vision as a technology-driven leader in target discovery and molecule design is the establishment of an integrated design-generate-analyze-model-predict cycle within DAPS, supported by this centralized Automation/Engineering team. This team will transform RTech by deploying cutting-edge lab automation and robotics at global sites, serving as a center for expertise and support to align strategies and maximize automation
426621 Automation Engineer, Automation Platforms - GlaxoSmithKline (GSK) is searching for experienced and technically adept Automation Engineer to join our new RTech Automation team within Data, Automation & Predictive Sciences (DAPS) in our Research Technologies (RTech) division. RTech Automation will spearhead the integration of automation technologies into our scientific workflows to deliver biology and data at scale. A critical component of RTech's vision as a technology-driven leader in target discovery and molecule design is the establishment of an integrated design-generate-analyze-model-predict cycle within DAPS, supported by this centralized Automation/Engineering team. This team will transform RTech by deploying cutting-edge lab automation and robotics at global sites, serving as a center for expertise and support to align strategies and maximize automation
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A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Palantir Foundry is an end-to-end platform for data-driven decision-making. We're transforming the way organisations securely integrate their data, so they can then build reliable, critical applications atop that unified foundation. Our customers use Foundry to perform rich analyses that drive core operations within their organisations. They can also build sophisticated, full-fledged programs, such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models.
A World-Changing Company - Palantir builds the worlds leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Palantir Foundry is an end-to-end platform for data-driven decision-making. We're transforming the way organisations securely integrate their data, so they can then build reliable, critical applications atop that unified foundation. Our customers use Foundry to perform rich analyses that drive core operations within their organisations. They can also build sophisticated, full-fledged programs, such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models.
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At Holland & Barrett, we're on a mission to make health and wellness a way of life for everyone and technology is a key enabler of that vision. As we evolve into a leading omni-channel retailer, we're investing heavily in cutting-edge technology to create seamless, personalised experiences across every touchpoint. Whether it's faster retail journeys, smarter delivery, or a deeply tailored online experience technology is powering it all. Our teams are agile, cloud-first, and customer-obsessed. We build what's right for our business, not just what's available off the shelf, and we automate and test at every level. This role sits within our Online Customer Experience (OCX) vertical the team behind our web and mobile e-commerce platforms. We're nearing the end of a transformative multi-year tech evolution and stepping into a new chapter of innovation, building standout di
At Holland & Barrett, we're on a mission to make health and wellness a way of life for everyone and technology is a key enabler of that vision. As we evolve into a leading omni-channel retailer, we're investing heavily in cutting-edge technology to create seamless, personalised experiences across every touchpoint. Whether it's faster retail journeys, smarter delivery, or a deeply tailored online experience technology is powering it all. Our teams are agile, cloud-first, and customer-obsessed. We build what's right for our business, not just what's available off the shelf, and we automate and test at every level. This role sits within our Online Customer Experience (OCX) vertical the team behind our web and mobile e-commerce platforms. We're nearing the end of a transformative multi-year tech evolution and stepping into a new chapter of innovation, building standout di
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At NiCE, we dont limit our challenges. We challenge our limits. Always. Were ambitious. Were game changers. And we play to win. We set the highest standards and execute beyond them. And if youre like us, we can offer you the ultimate career opportunity that will light a fire within you. So, whats the role all about? Working as part of the engineering team you will participate in all testing activities for the ContactEngine platform. This will include functional and non-functional testing using a combination of manual and automated testing with a focus on, and continual drive towards automation. How will you make an impact? * Participate in all testing activities within the agile pipeline estimation, prioritisation, planning and coordination. * Provide input into platform architecture and implementation of automation tooling and frameworks to facilitate testing, contin
At NiCE, we dont limit our challenges. We challenge our limits. Always. Were ambitious. Were game changers. And we play to win. We set the highest standards and execute beyond them. And if youre like us, we can offer you the ultimate career opportunity that will light a fire within you. So, whats the role all about? Working as part of the engineering team you will participate in all testing activities for the ContactEngine platform. This will include functional and non-functional testing using a combination of manual and automated testing with a focus on, and continual drive towards automation. How will you make an impact? * Participate in all testing activities within the agile pipeline estimation, prioritisation, planning and coordination. * Provide input into platform architecture and implementation of automation tooling and frameworks to facilitate testing, contin
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Job Overview: GlaxoSmithKline (GSK) is seeking an experienced Associate Director/Scientific Leader in Automation Infrastructure to join our new RTech Automation team in Data Automation & Predictive Sciences (DAPS) in our Research Technologies (RTech) division. This team will spearhead the integration of automation technologies into our scientific workflows to deliver biology and data at scale. A critical component of RTech's vision as a technology-driven leader in target discovery and molecule design is the establishment of an integrated design-generate-analyze-model-predict cycle within DAPS, supported by this centralized Automation Engineering team. This team will transform RTech by deploying cutting-edge lab automation and robotics at global sites, serving as a center for expertise and support to align strategies and maximize automation investments.
Job Overview: GlaxoSmithKline (GSK) is seeking an experienced Associate Director/Scientific Leader in Automation Infrastructure to join our new RTech Automation team in Data Automation & Predictive Sciences (DAPS) in our Research Technologies (RTech) division. This team will spearhead the integration of automation technologies into our scientific workflows to deliver biology and data at scale. A critical component of RTech's vision as a technology-driven leader in target discovery and molecule design is the establishment of an integrated design-generate-analyze-model-predict cycle within DAPS, supported by this centralized Automation Engineering team. This team will transform RTech by deploying cutting-edge lab automation and robotics at global sites, serving as a center for expertise and support to align strategies and maximize automation investments.
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Proficiency in REST API development
Proficiency in REST API development
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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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Have practical knowledge of C#, Web API testing, Azure portal
Have practical knowledge of C#, Web API testing, Azure portal
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Experience with relational databases and API design.
Experience with relational databases and API design.
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Integrate automation into Azure DevOps CI/CD pipelines and define API testing. * Lead the API testing strategy. * Experience in API testing using tools like Postman or JMeter.
Integrate automation into Azure DevOps CI/CD pipelines and define API testing. * Lead the API testing strategy. * Experience in API testing using tools like Postman or JMeter.
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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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FIEQ Product, BNY London - At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. The Markets business helps our clients formulate, implement and operationalize their investment strategies.
FIEQ Product, BNY London - At BNY, our culture allows us to run our company better and enables employees growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the worlds investible assets. Every day, our teams harness cutting-edge AI and breakthrough technologies to collaborate with clients, driving transformative solutions that redefine industries and uplift communities worldwide. Recognized as a top destination for innovators and champions of inclusion, BNY is where bold ideas meet advanced technology and exceptional talent. Together, we power the future of finance and this is what #LifeAtBNY is all about. Join us and be part of something extraordinary. The Markets business helps our clients formulate, implement and operationalize their investment strategies.
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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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Experience defining product functional specifications including API, CLI and GUI
Experience defining product functional specifications including API, CLI and GUI
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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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Join Our Back-end Engineering Team! As we grow and take on exciting new challenges, were on the lookout for exceptional Python developers to join our team. Our goal is to build a high-performing group of back-end engineers who thrive on innovation and excellence. If you're passionate about microservices, cloud technologies, and building scalable solutions, wed love for you to be part of shaping the future of our products. Senior Python About us Mad Devs is a full-stack team specializing in developing and administering large-scale IT products across various industries. Many of our products are used in Europe, the USA, and Southeast Asia. We are passionate about tackling complex challenges and delivering innovative solutions that make a significant global impact. * Develop microservices using Python, FastAPI, Gunicorn, and related technologies
Join Our Back-end Engineering Team! As we grow and take on exciting new challenges, were on the lookout for exceptional Python developers to join our team. Our goal is to build a high-performing group of back-end engineers who thrive on innovation and excellence. If you're passionate about microservices, cloud technologies, and building scalable solutions, wed love for you to be part of shaping the future of our products. Senior Python About us Mad Devs is a full-stack team specializing in developing and administering large-scale IT products across various industries. Many of our products are used in Europe, the USA, and Southeast Asia. We are passionate about tackling complex challenges and delivering innovative solutions that make a significant global impact. * Develop microservices using Python, FastAPI, Gunicorn, and related technologies
The Senior Backend Engineer is responsible for building and maintaining the server-side systems that power DRESTs luxury mobile game and supporting platform. This role plays a critical part in the performance, reliability, and scalability of our backend architecture, ensuring smooth operation of our live services and enabling feature delivery across the organisation. As a hands-on contributor, the Senior Backend Engineer designs, implements, and optimises backend services, collaborating closely with client, DevOps, and data teams. Reporting to the Lead Backend Engineer, you will also support technical planning and mentor other engineers, helping to shape the future of backend engineering at DREST. What you will be accountable for * Delivering high-quality, maintainable backend code and features on time, aligned with established codebase architectural standards and cov
The Senior Backend Engineer is responsible for building and maintaining the server-side systems that power DRESTs luxury mobile game and supporting platform. This role plays a critical part in the performance, reliability, and scalability of our backend architecture, ensuring smooth operation of our live services and enabling feature delivery across the organisation. As a hands-on contributor, the Senior Backend Engineer designs, implements, and optimises backend services, collaborating closely with client, DevOps, and data teams. Reporting to the Lead Backend Engineer, you will also support technical planning and mentor other engineers, helping to shape the future of backend engineering at DREST. What you will be accountable for * Delivering high-quality, maintainable backend code and features on time, aligned with established codebase architectural standards and cov
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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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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
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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.
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Join Our Back-end Engineering Team! As we grow and take on exciting new challenges, were on the lookout for exceptional Python developers to join our team. Our goal is to build a high-performing group of back-end engineers who thrive on innovation and excellence. If you're passionate about microservices, cloud technologies, and building scalable solutions, wed love for you to be part of shaping the future of our products. Python Middle Rust About us Mad Devs is a full-stack team specializing in developing and administering large-scale IT products across various industries. Many of our products are used in Europe, the USA, and Southeast Asia. We are passionate about tackling complex challenges and delivering innovative solutions that make a significant global impact. * Develop microservices using Rust, Python, FastAPI, Gunicorn, and related technologies
Join Our Back-end Engineering Team! As we grow and take on exciting new challenges, were on the lookout for exceptional Python developers to join our team. Our goal is to build a high-performing group of back-end engineers who thrive on innovation and excellence. If you're passionate about microservices, cloud technologies, and building scalable solutions, wed love for you to be part of shaping the future of our products. Python Middle Rust About us Mad Devs is a full-stack team specializing in developing and administering large-scale IT products across various industries. Many of our products are used in Europe, the USA, and Southeast Asia. We are passionate about tackling complex challenges and delivering innovative solutions that make a significant global impact. * Develop microservices using Rust, Python, FastAPI, Gunicorn, and related technologies
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Related Jobs
Locations
- Southwark
- The City, City (EC3)
- The City, City (EC4)
- Frimley
- Soho
- Charing Cross
- Covent Garden
- Englefield
- Gilwell Park
- Haslemere Industrial Estate
- City of London
- Central London
- West End
- Reading
- Cambridge
- Milton Keynes
- South East London
- Bedford
- East London
- South West London
- London
- Berkshire
- Surrey
- Buckinghamshire
- Cambridgeshire
- Hertfordshire
- Bedfordshire
- Essex
- Hampshire
- Kent
- South East
- East Anglia