Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
37 Contract API jobs in Middlegreen + 20 miles
140 exact matches jobs are outside your preferred location
About us - At Xelix, we work with some of the worlds largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate - moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up - things move fast and expectations are high. We raised our Series B with Insight Partners in June 2025 and are expanding aggressively, whilst remaining profitable. We have over 100 talented people pulling together to achieve our goals. Everyone is trusted to take ownership, move fast and have a meaningful impact. We prioritise personal and professional growth, keep things fun & we love to celebrate a milestone together. In this role youll grow, be challenged and help shape the future of Xelix. If youre excited about building something special with us, wed love to hear from you. About the
About us - At Xelix, we work with some of the worlds largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate - moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up - things move fast and expectations are high. We raised our Series B with Insight Partners in June 2025 and are expanding aggressively, whilst remaining profitable. We have over 100 talented people pulling together to achieve our goals. Everyone is trusted to take ownership, move fast and have a meaningful impact. We prioritise personal and professional growth, keep things fun & we love to celebrate a milestone together. In this role youll grow, be challenged and help shape the future of Xelix. If youre excited about building something special with us, wed love to hear from you. About the
About Signal Ocean: Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, helps shipping and commodities professionals navigate their complex decision making. Driven by advanced machine learning and artificial intelligence, our technology suite provides tailored, exclusive insights that support our clients in achieving performance and efficiency. By securely handling and combining private and public shipping data flows, and applying advanced analytics, insights are delivered over web and mobile applications, as well as through a rich set of APIs and SDKs. Our backend architecture is abstracted to modularly offer deep analytics capabilities that are leveraged in the solutions that we offer or can be directly embedded in our clients system topologies.
About Signal Ocean: Signal Ocean is the technology arm of the Signal Group. Our primary product, The Signal Ocean Platform, helps shipping and commodities professionals navigate their complex decision making. Driven by advanced machine learning and artificial intelligence, our technology suite provides tailored, exclusive insights that support our clients in achieving performance and efficiency. By securely handling and combining private and public shipping data flows, and applying advanced analytics, insights are delivered over web and mobile applications, as well as through a rich set of APIs and SDKs. Our backend architecture is abstracted to modularly offer deep analytics capabilities that are leveraged in the solutions that we offer or can be directly embedded in our clients system topologies.
The Role - Speechmatics are seeking a Site Reliability Engineer (SRE) whose focus will be improving the reliability of our products, systems and infrastructure. You will work across teams to improve availability, scalability, performance and efficiency of our real-time AI inference APIs. You will get to work with high-scale GPU deployments spread across the world. Our customers expect low-latency responses, making this is a really interesting problem space to learn about. * Working with a diverse group of engineers across Speechmatics to improve reliability of our products and systems, from design through to operation in production. * Taking part in incident response, postmortems and ensuring the same incident doesn't happen twice. * Managing and improving GitOps release workflows and CI/CD pipelines. * Monitoring system performance and troubleshooting production envi
The Role - Speechmatics are seeking a Site Reliability Engineer (SRE) whose focus will be improving the reliability of our products, systems and infrastructure. You will work across teams to improve availability, scalability, performance and efficiency of our real-time AI inference APIs. You will get to work with high-scale GPU deployments spread across the world. Our customers expect low-latency responses, making this is a really interesting problem space to learn about. * Working with a diverse group of engineers across Speechmatics to improve reliability of our products and systems, from design through to operation in production. * Taking part in incident response, postmortems and ensuring the same incident doesn't happen twice. * Managing and improving GitOps release workflows and CI/CD pipelines. * Monitoring system performance and troubleshooting production envi
About Moonbug Entertainment - Thank you for considering the YouTube Content ID Manager (Music) role with Moonbug Entertainment, an award-winning global entertainment company inspiring kids everywhere to laugh, learn and grow. The company is behind some of the biggest kids entertainment brands in the world including CoComelon and Blippi. Moonbug believes every child should have access to our entertaining and enriching content, which is why our shows are available on more than 150 video platforms globally including Netflix, Disney+, BBC iPlayer and YouTube Kids. Moonbug is also a global leader in pre-school music and audio experiences, available on 100+ audio platforms globally. Moonbug brands extend far beyond the screen to include streaming music, toys, games, books, live events, and even theme park exhibits.
About Moonbug Entertainment - Thank you for considering the YouTube Content ID Manager (Music) role with Moonbug Entertainment, an award-winning global entertainment company inspiring kids everywhere to laugh, learn and grow. The company is behind some of the biggest kids entertainment brands in the world including CoComelon and Blippi. Moonbug believes every child should have access to our entertaining and enriching content, which is why our shows are available on more than 150 video platforms globally including Netflix, Disney+, BBC iPlayer and YouTube Kids. Moonbug is also a global leader in pre-school music and audio experiences, available on 100+ audio platforms globally. Moonbug brands extend far beyond the screen to include streaming music, toys, games, books, live events, and even theme park exhibits.
The responsibilities are cross-functional, ranging from infrastructure, API design & coding all the way to client-side integration(we are using Golang).
The responsibilities are cross-functional, ranging from infrastructure, API design & coding all the way to client-side integration(we are using Golang).
Deep knowledge of API design and microservices architecture.
Deep knowledge of API design and microservices architecture.
Familiarity with API-based integrations and middleware platforms including SFTP file transfers.
Familiarity with API-based integrations and middleware platforms including SFTP file transfers.
M365/Azure API integrations.
M365/Azure API integrations.
Experience with REST API development and microservices architectures
Experience with REST API development and microservices architectures
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Our Marketing team ensures Upvests Investment API is widely recognised as the best on the market. * 5+ years of product marketing experience in B2B SaaS, ideally within fintech, investments, or API-driven infrastructure.
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Our Marketing team ensures Upvests Investment API is widely recognised as the best on the market. * 5+ years of product marketing experience in B2B SaaS, ideally within fintech, investments, or API-driven infrastructure.
Technology Stack Proficiency : Experienced in Microsoft technologies (C#, ASP.NET Core, Web API), JavaScript (AngularJS or React), and Azure Microservices.
Technology Stack Proficiency : Experienced in Microsoft technologies (C#, ASP.NET Core, Web API), JavaScript (AngularJS or React), and Azure Microservices.
Implement and maintain Azure Firewall, API Management (APIM), Databases, Service Bus, and Event Grid.
Implement and maintain Azure Firewall, API Management (APIM), Databases, Service Bus, and Event Grid.
Understanding and/or experience in managing API-based software businesses
Understanding and/or experience in managing API-based software businesses
Knowledge of modern API standards (SOAP, XML, REST, JSON) and experience integrating to them.
Knowledge of modern API standards (SOAP, XML, REST, JSON) and experience integrating to them.
The Runa API empowers thousands of businesses to make payments to 5 billion+ consumers in 190+ countries instantly to cards, wallets, bank accounts and gift cards.
The Runa API empowers thousands of businesses to make payments to 5 billion+ consumers in 190+ countries instantly to cards, wallets, bank accounts and gift cards.
NEW
Software Engineer - (Machine Learning Experience a plus) - hybrid
Software Engineer - (Machine Learning Experience a plus) - hybrid
FactSet Europe Ltd
London
Competitive
Proficiency with API design
Proficiency with API design
Support reporting automation for email, push, and newsletter engagement (e.g., SailThru API integrations, open/click/bounce analysis).
Support reporting automation for email, push, and newsletter engagement (e.g., SailThru API integrations, open/click/bounce analysis).
Familiarity with zero-trust architectures, hybrid cloud security, and API security
Familiarity with zero-trust architectures, hybrid cloud security, and API security
Uphold high standards for our uptime and latency requirements while not sacrificing the veracity of API responses
Uphold high standards for our uptime and latency requirements while not sacrificing the veracity of API responses
Frontend and API testing,
Frontend and API testing,
Application Integration with Java, JavaScript, ESB/API tools and/or C++/C * Experience with software development in either Java or C++/C, SDKs and API integration
Application Integration with Java, JavaScript, ESB/API tools and/or C++/C * Experience with software development in either Java or C++/C, SDKs and API integration
Modern tech stack experience - Demonstrable experience with cloud platforms (preferably AWS), containerisation (Docker, Kubernetes), and API design (gRPC, REST).
Modern tech stack experience - Demonstrable experience with cloud platforms (preferably AWS), containerisation (Docker, Kubernetes), and API design (gRPC, REST).
)
Strong experience in Bash scripting and API scripting.
Strong experience in Bash scripting and API scripting.
)
Senior Python Software Developer (SC Cleared)
Senior Python Software Developer (SC Cleared)
Certes IT Service Solutions
UK
£625 - £650 per day + Negotiable
Duration: 12 Months - Location: London & remote (hybrid) Rate: £650 per day - IR35 Status: Inside - Start: ASAP - A Senior Python Software Developer (SC Cleared) is required for our government client, where you will be working on a specific project where they are transforming and redesigning their data hub, which provides access to a variety of public sector data. You will work within a multi-disciplinary product team and lead the design, development, and maintenance of robust, scalable open data services and APIs - Provide strategic technical leadership by setting software architecture, engineering practices, and technical direction across the team - Define and evolve scalable, secure design patterns and coding standards, ensuring alignment with government standards and cross-government platforms - Collaborate with teams to select technologies, shape roadmaps, and de
Duration: 12 Months - Location: London & remote (hybrid) Rate: £650 per day - IR35 Status: Inside - Start: ASAP - A Senior Python Software Developer (SC Cleared) is required for our government client, where you will be working on a specific project where they are transforming and redesigning their data hub, which provides access to a variety of public sector data. You will work within a multi-disciplinary product team and lead the design, development, and maintenance of robust, scalable open data services and APIs - Provide strategic technical leadership by setting software architecture, engineering practices, and technical direction across the team - Define and evolve scalable, secure design patterns and coding standards, ensuring alignment with government standards and cross-government platforms - Collaborate with teams to select technologies, shape roadmaps, and de
NEW
)
Job Title: SPM ServiceNow Developer - Location: Remote (Work from Home - UK) Job Type: Contract (Inside IR35) Duration: 12 Months Job Summary: Join Tata Consultancy Services (TCS) as an SPM ServiceNow Developer and be at the forefront of digital transformation. Work on innovative projects for some of the world's leading brands, making a meaningful impact in a dynamic, agile environment. Your expertise will help drive efficiency and optimization through the ServiceNow platform. * Work closely with the ServiceNow Solutions Architect to design and implement requirements from the SPM Process Team. * Develop, configure, and maintain the ServiceNow platform, primarily within the SPM (Strategic Portfolio Management) module. * Configure and customize the ServiceNow platform using JavaScript and ServiceNow APIs to extend capabilities and enhance user experience.
Job Title: SPM ServiceNow Developer - Location: Remote (Work from Home - UK) Job Type: Contract (Inside IR35) Duration: 12 Months Job Summary: Join Tata Consultancy Services (TCS) as an SPM ServiceNow Developer and be at the forefront of digital transformation. Work on innovative projects for some of the world's leading brands, making a meaningful impact in a dynamic, agile environment. Your expertise will help drive efficiency and optimization through the ServiceNow platform. * Work closely with the ServiceNow Solutions Architect to design and implement requirements from the SPM Process Team. * Develop, configure, and maintain the ServiceNow platform, primarily within the SPM (Strategic Portfolio Management) module. * Configure and customize the ServiceNow platform using JavaScript and ServiceNow APIs to extend capabilities and enhance user experience.
NEW