376 to 400 of 1,094 API Integration Jobs in the UK

level of this role will come down to the successful candidate. You can expect: Design scalable, secure data architectures for real-time and batch processing Define data models, schemas, API integrations, and support end-to-end solution architecture Collaborate with multidisciplinary teams to translate business needs into robust, future-proof technical solutions Lead on data governance, interoperability, and security … Work with Microsoft Azure, AWS, and other cloud platforms to architect high-performing solutions Oversee technical delivery while mentoring junior colleagues and championing architectural standards Guide and support the integration of systems across diverse public sector environments Ensure compliance with data protection and government security standards Where you’ll be stretched (and thrive): We’re growing fast: That means … to be part of something growing, ambitious, and meaningful. The skills you’ll need to succeed in this role You’ll have deep experience in data architecture, modelling, and integration You’ll be highly proficient in Azure, with certification or equivalent experience You’ll bring expertise in APIs, data governance, and security best practices You’ll be comfortable consulting More ❯

experience with Tailwind CSS for building scalable and maintainable user interfaces. Proven experience with modern frontend tooling and infrastructure, including Vercel , Clerk , and GitHub Actions . Strong understanding of API integration (REST, GraphQL) and state management patterns. Experience with data visualization libraries (e.g., D3.js, Chart.js) to represent complex model evaluation insights. Familiarity with computer vision concepts and an More ❯

experience with Tailwind CSS for building scalable and maintainable user interfaces. Proven experience with modern frontend tooling and infrastructure, including Vercel , Clerk , and GitHub Actions . Strong understanding of API integration (REST, GraphQL) and state management patterns. Experience with data visualization libraries (e.g., D3.js, Chart.js) to represent complex model evaluation insights. Familiarity with computer vision concepts and an More ❯

experience with Tailwind CSS for building scalable and maintainable user interfaces. Proven experience with modern frontend tooling and infrastructure, including Vercel , Clerk , and GitHub Actions . Strong understanding of API integration (REST, GraphQL) and state management patterns. Experience with data visualization libraries (e.g., D3.js, Chart.js) to represent complex model evaluation insights. Familiarity with computer vision concepts and an More ❯

shipping reliable AI systems to production Valuable Additional Skills: Experience with goal-oriented and autonomous agent architectures Financial domain knowledge or fintech experience Experience with tool-using agents (MCP, API integration, data processing) Methods for agent monitoring, logging, and performance analysis Experience with model fine-tuning and evaluation for domain-specific applications Background in reinforcement learning or agent More ❯

languages. Software engineering skills to write robust and maintainable code Ability to work with software version control systems Experience working in large interdisciplinary teams Experience with server-side technologies ( api integrations, node, aws admin etc..) Strong interest in digital physical installation Eye for details. Animations, UI Desirable Experience with Unreal + Blueprints and/or C++ Glsls/Shaders … a tech stack, our Experience Stack draws on decades of cumulative expertise from our physical, lighting, live & immersive, and emerging technology studios to produce magical, meaningful, original work. This integration propels our partners into new realms of growth and delivers multidimensional experiences that are not just consumed but that are lived and felt through every dimension of human interaction. More ❯

Experience Must have: Commercial experience developing applications with React, Typescript, NextJS Experience in React Hooks, Redux, HTML5 and CSS3. Experience with front end build and deployment concepts. Experience with API integrations, JSON Manipulation and GraphQL Knowledge of modern development tooling and automation techniques Awareness of accessibility and usability practices Automated testing techniques. Unit and Integration testing (i.e. Jest More ❯

Bring Proven experience implementing or migrating to server-side tagging across digital platforms. Strong understanding of digital technologies, particularly in CMS, personalisation, and experimentation platforms. Proficiency in JavaScript, HTML, API integration (SOAP & REST), RegEx, jQuery, and JSON. Hands-on experience with tag management systems such as Tealium, Ensighten, Adobe Launch, or Google Tag Manager. Familiarity with analytics tools More ❯

timing for software upgrades as well as managing the upgrade projects, coordinating closely with the internal IT team to ensure smooth implementation. Liaise with third-party suppliers to explore integration working with API integrations capability to ensure connectivity between systems and improve workflow efficiency. Proactively engage with all practice groups to identify potential opportunities for document automation within More ❯

will be responsible for full lifecycle development across greenfield and existing projects. Essential Skills C# (.NET) - backend and some frontend SQL - data handling and queries RESTful APIs - design and integration SDLC understanding - Agile or similar Unit, system, and integration testing CI/CD pipeline experience Desirable NuGet, Blazor Server, PKI Auth Migrating legacy codebases Developing shared libraries/ More ❯

will be responsible for full lifecycle development across greenfield and existing projects. Essential Skills C# (.NET) - backend and some frontend SQL - data handling and queries RESTful APIs - design and integration SDLC understanding - Agile or similar Unit, system, and integration testing CI/CD pipeline experience Desirable NuGet, Blazor Server, PKI Auth Migrating legacy codebases Developing shared libraries/ More ❯

Implementing Python Web Services: You’ll develop robust Python-based web services using Django and FastAPI to support MPB’s platform scalability and innovation, working on backend services and API integrations. Maintaining and Extending Existing Services: You’ll enhance and optimize current Python web services, collaborating with stakeholders to meet operational needs and contribute to product success. Collaborating Across … Teams: Work with Frontend and Test Automation Engineers to ensure seamless API integrations, maintaining system efficiency and security. Documenting APIs: Create clear API documentation for teams, collaborating with Data Analytics to ensure accurate data representation for analysis. What we are looking for: Python Development Experience: Strong foundation in Python, with experience in building and maintaining web services and More ❯

with the Digital Transformation team to turn new ideas into reality Championing a culture of test-driven development (TDD) and clean, maintainable code Your Skills and Experience: .NET (C#) API development React.js Azure services and cloud based architecture Experience with API integrations, ideally with CRM platforms A TDD mindset and strong software engineering principles Advantegous if you’ve More ❯

and maintain consistent design principles across the platform Participate in Agile ceremonies including stand-ups, backlog refinement, and retrospectives Evaluate and improve the frontend architecture, including state management and API integrations Help implement real-time frontend/backend communication using WebSockets Extend and optimise the use of Nx for a frontend monorepo setup Leverage Zustand and TanStack Query for … state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience working on financial risk management software or More ❯

and maintain consistent design principles across the platform Participate in Agile ceremonies including stand-ups, backlog refinement, and retrospectives Evaluate and improve the frontend architecture, including state management and API integrations Help implement real-time frontend/backend communication using WebSockets Extend and optimise the use of Nx for a frontend monorepo setup Leverage Zustand and TanStack Query for … state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience working on financial risk management software or More ❯

and maintain consistent design principles across the platform Participate in Agile ceremonies including stand-ups, backlog refinement, and retrospectives Evaluate and improve the frontend architecture, including state management and API integrations Help implement real-time frontend/backend communication using WebSockets Extend and optimise the use of Nx for a frontend monorepo setup Leverage Zustand and TanStack Query for … state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience working on financial risk management software or More ❯

and maintain consistent design principles across the platform Participate in Agile ceremonies including stand-ups, backlog refinement, and retrospectives Evaluate and improve the frontend architecture, including state management and API integrations Help implement real-time frontend/backend communication using WebSockets Extend and optimise the use of Nx for a frontend monorepo setup Leverage Zustand and TanStack Query for … state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience working on financial risk management software or More ❯

and maintain consistent design principles across the platform Participate in Agile ceremonies including stand-ups, backlog refinement, and retrospectives Evaluate and improve the frontend architecture, including state management and API integrations Help implement real-time frontend/backend communication using WebSockets Extend and optimise the use of Nx for a frontend monorepo setup Leverage Zustand and TanStack Query for … state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience working on financial risk management software or More ❯

business. The scope of the role is not exclusive to the app & website, they are responsible for a number of custom back office pieces of software and 3rd party API integrations that enable the rest of the business to operate. This also includes working closely with the Cloud Ops Team to blend the use of technology between infrastructure & website. … Extensive working knowledge of TypeScript & JavaScript knowledge. Modern CSS experience is highly desirable. Solid React experience using functions and hooks is essential. Experience with APIs using REST Application/API performance & optimisation knowledge. Experience working in a full stack environment. Knowledge of AWS services and APIs. Desire to work in a fast-paced environment & ability to adapt to fast More ❯

on building and improving internal systems that support day-to-day operations across the business. You’ll develop end-to-end solutions using C#, .NET, JavaScript, SQL Server, and API integrations. Strong communication skills are essential as you’ll work closely with the stakeholders to understand requirements and deliver clean, reliable solutions. Required Skills 2+ years' experience with .NET More ❯

Django or Flask . Deep understanding and practical usage of AWS services : Lambda (serverless functions) DynamoDB (NoSQL DB) RDS (relational DB) AppSync (GraphQL APIs) Experience with RESTful and GraphQL API design and integration. Familiarity with Agile methodologies and practices like TDD , CI/CD , pair programming . Good problem-solving skills and communication abilities. More ❯

databases. The role offers great scope for progression, technical ownership, and creative input. The ideal candidate will bring: Strong experience developing applications in .NET Solid knowledge of SQL and API integrations Comfortable working in Agile environments and writing clean, testable code A passion for continuous learning and technology innovation Experience with JavaScript Exposure to cloud platforms like Azure Package More ❯

analytical data and insights to aid decision-making and growth. Skills and Qualifications: Proficiency with data analysis tools such as Excel, Power Query, SQL, DAX, Power BI. Experience with API integration. Understanding of relational databases. Strong communication and influencing skills. Proficiency with MS Office. BI user skills and ability to manipulate data. Experience working with IT and Finance teams More ❯

methodologies. Experience creating and managing Scrum/Kanban boards, filters, dashboards, and reports. Skilled in Jira upgrades and Atlassian suite management (installation, migration, upgrades, patching). Experience with Jira API integrations. What We're Looking For Excellent communication and collaboration skills. Ability to work independently and proactively identify areas for improvement. Strong attention to detail and problem-solving abilities. More ❯

of front-end technologies and responsive web design. Experience working with files, databases, session, and application variables. Experience with MS SQL Server databases and understanding of web services and API integration. Ability to stay current with relevant technologies. Familiarity with UI/UX design principles and tools such as Canva, Figma, or Adobe XD. Knowledge of healthcare environment, especially More ❯