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13 Contract API jobs in Welwyn Garden City + 20 miles
123 exact matches jobs are outside your preferred location
Develop positioning and messaging that translates technical capabilities (API, RAG, MCP) into compelling value propositions for enterprise buyers
Develop positioning and messaging that translates technical capabilities (API, RAG, MCP) into compelling value propositions for enterprise buyers
About Voodoo - Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz. This position is fully remote CET 3h. Team - Our Gaming team is made up of casual, and mid-core experts. Our 'Core' games team supports internal and external studios worldwide in creating, developing, and launching new hit games, whilst our 'Live' games team focuses on delivering higher engagement on our existing and successful games. Joining our Live games team means collaborating with gaming industry experts on globally renowned, enduring games while
About Voodoo - Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz. This position is fully remote CET 3h. Team - Our Gaming team is made up of casual, and mid-core experts. Our 'Core' games team supports internal and external studios worldwide in creating, developing, and launching new hit games, whilst our 'Live' games team focuses on delivering higher engagement on our existing and successful games. Joining our Live games team means collaborating with gaming industry experts on globally renowned, enduring games while
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Experience with AWS services (Lambda, SQS, API gateways, S3).
Experience with AWS services (Lambda, SQS, API gateways, S3).
Are you experienced building and designing event driven applications with Typescript, DynamoDB, AWS Lambda, AWS API Gateway? At the moment were working on subscription management and API integrations.
Are you experienced building and designing event driven applications with Typescript, DynamoDB, AWS Lambda, AWS API Gateway? At the moment were working on subscription management and API integrations.
Familiarity with RESTful APIs, data models, and API integration.
Familiarity with RESTful APIs, data models, and API integration.
SharePoint CSOM API
SharePoint CSOM API
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Knowledge of Python, C#, or TypeScript for API integration and automation.
Knowledge of Python, C#, or TypeScript for API integration and automation.
Expertise in open loop and closed loop secure payment systems (Mastercard, Outseer 3DS, etc) as well as the relative regulations in identity e.g FAPI Standards (Financial-grade API). * Proven track record of delivering API-driven, cloud-based identity and payment services at scale.
Expertise in open loop and closed loop secure payment systems (Mastercard, Outseer 3DS, etc) as well as the relative regulations in identity e.g FAPI Standards (Financial-grade API). * Proven track record of delivering API-driven, cloud-based identity and payment services at scale.
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. o Hands-on experience with APIs , including designing, integrating, and managing third-party or internal API solutions to support compliance and onboarding workflows
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. o Hands-on experience with APIs , including designing, integrating, and managing third-party or internal API solutions to support compliance and onboarding workflows
Oversee integration of Radar API with ML Engineering.
Oversee integration of Radar API with ML Engineering.
Assist clients in seamless API integration, furnishing comprehensive documentation and hands-on support for smooth implementation. * Strong knowledge of API integration, RESTful APIs, and API troubleshooting.
Assist clients in seamless API integration, furnishing comprehensive documentation and hands-on support for smooth implementation. * Strong knowledge of API integration, RESTful APIs, and API troubleshooting.
Job Introduction - At SCS Railways, were delivering one of the most transformative rail projects in the UK and our IT team is at the heart of making it happen. We manage cloud-based and on-site services for over 2,000 users, ensuring seamless collaboration, secure data management, and cutting-edge digital solutions across our business. Were now looking for a Solutions Architect (Information Management) a technically skilled, forward-thinking professional who will play a leading role in developing and enhancing our information management systems. If youre passionate about modern cloud technologies, integration architecture, and building scalable, high-performance solutions, this is your opportunity to make a lasting impact. Working arrangements: This role will be based in the office for a minimum of 3 days per week. Main Responsibilities
Job Introduction - At SCS Railways, were delivering one of the most transformative rail projects in the UK and our IT team is at the heart of making it happen. We manage cloud-based and on-site services for over 2,000 users, ensuring seamless collaboration, secure data management, and cutting-edge digital solutions across our business. Were now looking for a Solutions Architect (Information Management) a technically skilled, forward-thinking professional who will play a leading role in developing and enhancing our information management systems. If youre passionate about modern cloud technologies, integration architecture, and building scalable, high-performance solutions, this is your opportunity to make a lasting impact. Working arrangements: This role will be based in the office for a minimum of 3 days per week. Main Responsibilities
API & Integration Development Build secure, scalable APIs to connect EnvisionOS with platforms like ServiceNow, Snowflake, and monitoring systems. * Proven experience with API development (REST, GraphQL) and frameworks like Flask, FastAPI, or Spring.
API & Integration Development Build secure, scalable APIs to connect EnvisionOS with platforms like ServiceNow, Snowflake, and monitoring systems. * Proven experience with API development (REST, GraphQL) and frameworks like Flask, FastAPI, or Spring.
Join the API Revolution at Gravitee - Where Innovation Meets Growth - Since our beginnings in 2015, Gravitee has grown into a global force, recognised as a Gartner Magic Quadrant Leader for API Management in 2024 and 2025! What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ecosystems worldwide. Be part of a team thats redefining whats possible in API management, and shaping the future of digital transformation. Gravitee.io is taking APIs to the next level, we are the premier, open-source API platform and we want everyone to know how amazing our software is. * API Integration & Development: Leverage REST APIs to connect disparate systems, troubleshoot integration issues, and ens
Join the API Revolution at Gravitee - Where Innovation Meets Growth - Since our beginnings in 2015, Gravitee has grown into a global force, recognised as a Gartner Magic Quadrant Leader for API Management in 2024 and 2025! What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ecosystems worldwide. Be part of a team thats redefining whats possible in API management, and shaping the future of digital transformation. Gravitee.io is taking APIs to the next level, we are the premier, open-source API platform and we want everyone to know how amazing our software is. * API Integration & Development: Leverage REST APIs to connect disparate systems, troubleshoot integration issues, and ens
You will lead the technical vision for our core developer productsincluding our API, Eventing, Lambdas, and Marketplace. * Guide the evolution of our external API framework, ensuring it remains robust, consistent, and easy to use as our product capabilities expand.
You will lead the technical vision for our core developer productsincluding our API, Eventing, Lambdas, and Marketplace. * Guide the evolution of our external API framework, ensuring it remains robust, consistent, and easy to use as our product capabilities expand.
This role is pivotal in connecting our core developer products (API, Eventing, Lambdas, Marketplace) to the company's next-generation AI and data platforms. * Establish and champion the technical vision and architectural governance for our external API framework, ensuring consistency, scalability, and a world-class developer experience across all of Samsara's product lines.
This role is pivotal in connecting our core developer products (API, Eventing, Lambdas, Marketplace) to the company's next-generation AI and data platforms. * Establish and champion the technical vision and architectural governance for our external API framework, ensuring consistency, scalability, and a world-class developer experience across all of Samsara's product lines.
Experience with supplier audits, quality systems (e.g., ISO 9001, API Specification Q1), and managing supplier relationships is highly valued.
Experience with supplier audits, quality systems (e.g., ISO 9001, API Specification Q1), and managing supplier relationships is highly valued.
AWS API Gateway
AWS API Gateway
To be right for this role, you should have extensive mobile and API automation experience and the ability to self-serve by building the tooling required to support your automation efforts. * Lead an automation team to build pipelines and tooling for mobile app automation, e2e testing suites, and API testing
To be right for this role, you should have extensive mobile and API automation experience and the ability to self-serve by building the tooling required to support your automation efforts. * Lead an automation team to build pipelines and tooling for mobile app automation, e2e testing suites, and API testing
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REST APIs and API integration
REST APIs and API integration
Capable of diagnosing and resolving tracking, data, and audience issues, including pixel implementation, UTM structure, and conversion API setup.
Capable of diagnosing and resolving tracking, data, and audience issues, including pixel implementation, UTM structure, and conversion API setup.
Location: Central London or Remote [Moldova] Job Type: Full time - Why join us? If you love food and technology as much as we do, youll love life at Vita Mojo. Were on a mission to revolutionise the hospitality experience for operators and their customers. Through our smart digital products, were powering the digital transformation of your favourite pubs, bars and restaurants. And we want a world where everyone gets the meal theyre hoping for. Each and every time. Our Vita Mojo DNA - Were proud to have built an award-winning digital platform. Vita Mojo is a positive, energetic and forward-thinking place to work, and when you become a Moji, youll be joining a supportive team whove always got your back. Our passion for technology and food is matched only by our support for our people. About the role - Your mission as a Vita Mojo Full Stack Engineer is to help us bring o
Location: Central London or Remote [Moldova] Job Type: Full time - Why join us? If you love food and technology as much as we do, youll love life at Vita Mojo. Were on a mission to revolutionise the hospitality experience for operators and their customers. Through our smart digital products, were powering the digital transformation of your favourite pubs, bars and restaurants. And we want a world where everyone gets the meal theyre hoping for. Each and every time. Our Vita Mojo DNA - Were proud to have built an award-winning digital platform. Vita Mojo is a positive, energetic and forward-thinking place to work, and when you become a Moji, youll be joining a supportive team whove always got your back. Our passion for technology and food is matched only by our support for our people. About the role - Your mission as a Vita Mojo Full Stack Engineer is to help us bring o
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Bango enables content providers to reach more paying customers through global partnerships. Today, the Digital Vending Machine is driving the rapid growth of the subscriptions economy, powering choice and control for subscribers. The worlds largest content providers, including Amazon, Google and Microsoft trust Bango technology to reach subscribers everywhere. Bango, where people subscribe. Role - As a Business Analyst in the Delivery team, reporting to a Project Delivery Manager, you are responsible for ensuring the successful integration of customer systems into the Bango Platform. You will work directly with customers to build strong relationships, understand their systems, and design integration solutions that unlock value for both them and Bango. Youll collaborate closely with Pre-Sales, Project Managers, Integration Engineers, QA Engineers, and the Managed Servi
Bango enables content providers to reach more paying customers through global partnerships. Today, the Digital Vending Machine is driving the rapid growth of the subscriptions economy, powering choice and control for subscribers. The worlds largest content providers, including Amazon, Google and Microsoft trust Bango technology to reach subscribers everywhere. Bango, where people subscribe. Role - As a Business Analyst in the Delivery team, reporting to a Project Delivery Manager, you are responsible for ensuring the successful integration of customer systems into the Bango Platform. You will work directly with customers to build strong relationships, understand their systems, and design integration solutions that unlock value for both them and Bango. Youll collaborate closely with Pre-Sales, Project Managers, Integration Engineers, QA Engineers, and the Managed Servi
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Cambridge, MA - Engineering / Co-op / On-site - Tamr offers an AI-native Master Data Management (MDM) platform designed to help enterprises create unified, accurate records across vast, complex data ecosystems. Tamr accelerates the discovery, enrichment, and maintenance of golden records - clean, trusted, and continuously updated profiles - that enable informed decision-making and improved operational efficiency. With a co-founding team led by Andy Palmer (founding CEO of Vertica) and Mike Stonebraker (Turing Award winner) and backed by top-tier investors such as NEA and Google Ventures, Tamr transforms how companies get value from their data. We are looking for an intern to join our core engineering team in Harvard Square (Cambridge), one of the most important technical hubs in the world! Our team is a close-knit group of about 40 professionals who are always willing
Cambridge, MA - Engineering / Co-op / On-site - Tamr offers an AI-native Master Data Management (MDM) platform designed to help enterprises create unified, accurate records across vast, complex data ecosystems. Tamr accelerates the discovery, enrichment, and maintenance of golden records - clean, trusted, and continuously updated profiles - that enable informed decision-making and improved operational efficiency. With a co-founding team led by Andy Palmer (founding CEO of Vertica) and Mike Stonebraker (Turing Award winner) and backed by top-tier investors such as NEA and Google Ventures, Tamr transforms how companies get value from their data. We are looking for an intern to join our core engineering team in Harvard Square (Cambridge), one of the most important technical hubs in the world! Our team is a close-knit group of about 40 professionals who are always willing
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Were a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues, and clients, on exciting projects. Our inclusive work environment prioritises mutual respect, accountability, and continuous learning for all our people. This approach fosters collaboration, well-being, growth, and agility, leading to a more diverse, innovative, and competitive organisation. We are also proud to share that we have a range of Inclusion Networks such as: the Womens Business Network, Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network.
Were a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues, and clients, on exciting projects. Our inclusive work environment prioritises mutual respect, accountability, and continuous learning for all our people. This approach fosters collaboration, well-being, growth, and agility, leading to a more diverse, innovative, and competitive organisation. We are also proud to share that we have a range of Inclusion Networks such as: the Womens Business Network, Cultural and Ethnicity Network, LGBTQ+ & Allies Network, Neurodiversity Network and the Parent Network.
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