1 to 25 of 211 API Integration Jobs in London

API Integration Architect Type: Permanent I am working with a Retail Banking firm, who are seeking an API Integration Architect. In this role, you will be responsible for designing and implementing robust and scalable API integration solutions that seamlessly connect microservices architecture with both … and external systems. Your contributions will play a critical role in enabling efficient and secure data exchange, driving digital transformation, and enhancing our overall API ecosystem. Key Responsibilities: Collaborate with stakeholders to understand the overall microservices architecture and its integration requirements with various internal and external systems. Ensure … seamless coordination between the microservices architecture and API integration strategies. Design API integration solutions that align with industry best practices, enabling seamless communication between microservices, external APIs, and legacy systems. Define and enforce API standards, governance policies, and security protocols to ensure secure and reliable More ❯

Senior QA Engineer - Financial Services API Integration Hybrid - 2/3 days a week office based. Outside IR35 - 3 months. Are you an experienced Senior QA Engineer with a passion for delivering high-quality digital experiences? Do you thrive in API integration testing across backend, frontend … Your expertise in manual and automated testing will help drive quality, innovation, and efficiency in a financial services setting. What You'll Be Doing: API & Integration Testing - Develop manual and automated test cases for seamless integration between various systems. Test Automation - Build and maintain API and … RestAssured, Selenium, or Cypress . Agile Collaboration - Work closely with developers, BAs, and product owners in a Scrum/Kanban environment. CI/CD Integration - Implement automated test scripts into CI/CD pipelines using Jenkins, GitLab CI, or Azure DevOps . Defect Management - Identify, report, and track defects More ❯

Senior QA Engineer - Financial Services | API Integration Hybrid - 2/3 days a week office based. Outside IR35 - 3 months. Are you an experienced Senior QA Engineer with a passion for delivering high-quality digital experiences? Do you thrive in API integration testing across backend, frontend … Your expertise in manual and automated testing will help drive quality, innovation, and efficiency in a financial services setting. What You'll Be Doing: API & Integration Testing - Develop manual and automated test cases for seamless integration between various systems. Test Automation - Build and maintain API and … RestAssured, Selenium, or Cypress . Agile Collaboration - Work closely with developers, BAs, and product owners in a Scrum/Kanban environment. CI/CD Integration - Implement automated test scripts into CI/CD pipelines using Jenkins, GitLab CI, or Azure DevOps . Defect Management - Identify, report, and track defects More ❯

Senior QA Engineer – Financial Services | API Integration | Remote/Hybrid Outside IR35 – 3 months initially. Are you an experienced Senior QA Engineer with a passion for delivering high-quality digital experiences? Do you thrive in API integration testing across backend, frontend, and third-party systems ? If … Your expertise in manual and automated testing will help drive quality, innovation, and efficiency in a financial services setting. What You’ll Be Doing: API & Integration Testing – Develop and execute manual and automated test cases for seamless integration between various systems. Test Automation – Build and maintain API … RestAssured, Selenium, or Cypress . Agile Collaboration – Work closely with developers, BAs, and product owners in a Scrum/Kanban environment. CI/CD Integration – Implement automated test scripts into CI/CD pipelines using Jenkins, GitLab CI, or Azure DevOps . Defect Management – Identify, report, and track defects More ❯

Senior QA Engineer – Financial Services | API Integration | Remote/Hybrid Outside IR35 – 3 months initially. Are you an experienced Senior QA Engineer with a passion for delivering high-quality digital experiences? Do you thrive in API integration testing across backend, frontend, and third-party systems ? If … Your expertise in manual and automated testing will help drive quality, innovation, and efficiency in a financial services setting. What You’ll Be Doing: API & Integration Testing – Develop and execute manual and automated test cases for seamless integration between various systems. Test Automation – Build and maintain API … RestAssured, Selenium, or Cypress . Agile Collaboration – Work closely with developers, BAs, and product owners in a Scrum/Kanban environment. CI/CD Integration – Implement automated test scripts into CI/CD pipelines using Jenkins, GitLab CI, or Azure DevOps . Defect Management – Identify, report, and track defects More ❯

day: the staff. We want to make schools more joyful places to work, as well as learn. About the role Arbor has over 130 integration partners who use the API and developer portal to build read and write-back integrations. Real work in schools will sit across many … platforms, data sources, people and know-how. It's a divergent picture. We are now developing Arbor's API and developer offer to decrease the effort that it takes for people working in schools to bring all of these parts together and get their work done. We are looking … and focus of the role is to own Arbor's strategic partner integrations and work with the Directors for Ecosystem to develop Arbor's API and developer portal products into a successful commercial offering. It's a broad and exciting role, so we're looking for someone up for More ❯

Senior Business Analyst - API Specialist Job Description We are seeking an experienced and highly motivated Senior Business Analyst to join our team. In essence, the focus of this role is to help drive our strategic API roadmap. Initially, you will help develop our API framework and artefacts … and subsequently propel the API program forward. You will ensure the process runs smoothly from initial idea gathering to sign-off and release, maintaining open lines of communication and facilitating collaborative work within multi-functional teams. You will act as an escalation point for SSD for external or internal … queries relating to API development. Responsibilities Include: Business Analysis Analysis of business requirements, including gap analysis of changes required to processes, procedures and systems Working with various business areas and developers to maintain and improve existing in-house software Reporting to Management and obtaining approval for system development projects More ❯

native mobile applications for iOS and Android using Swift and Kotlin . Performance Optimization: Optimize mobile apps for speed, memory usage, and battery efficiency. API Integration: Work with REST/GraphQL APIs developed in FastAPI for real-time data synchronization. Collaboration & Feedback: Collaborate with cross-functional teams to … align app features with CPMS functionalities, including the integration of OCPP/OCPI protocols . Testing & Debugging: Write and maintain automated tests to ensure application stability and quality. About you At Believ, we are building a culture that attracts and retains the best talent. We are a dedicated and … Experience: Proven experience developing and launching mobile applications for iOS and Android. Familiarity with mobile performance profiling tools and debugging techniques. Experience with backend integration for real-time data syncing. Knowledge of Agile development processes and version control tools like Git . Engineering Mindset: Ability to understand and consider More ❯

Contract/Temporary Location: London (Hybrid, 2 days on-site) Job Ref: BBBH157180_1743070797 Date Added: March 27th, 2025 Consultant: Exciting opportunity for an API Integration Architect to join a leading insurance company. Length: 6 months Project Details: The business is going through a fundamental change and constantly … adapting and enhancing their services to deliver insurance capabilities to the market. Requirement: A Senior Engineering Integration Lead to work across multiple teams on the implementation of future road-maps to meet strategic business goals. Provide Engineering Leadership to a high-performing, collaborative team comprising internal and external technical More ❯

experienced and highly motivated Senior Business Analyst to join our team. In essence, the focus of this role is to help drive our strategic API roadmap. Initially, you will help develop our API framework and artefacts and subsequently propel the API program forward. You will ensure the … and facilitating collaborative work within multi-functional teams. You will act as an escalation point for SSD for external or internal queries relating to API development. Responsibilities Include: Business Analysis Analysis of business requirements, including gap analysis of changes required to processes, procedures and systems Working with various business … improve existing in-house software Reporting to Management and obtaining approval for system development projects Analyse and translate business needs into technical specifications for API development and work with development teams to design, test, and implement API solutions Ensure API solutions align with business goals and comply More ❯

dynamic, collaborative environment that values innovation, problem-solving, and continuous learning. In this role, you'll leverage your expertise in React, Styled Components, and API integration to develop seamless, intuitive, and responsive experiences for our customers. You'll contribute to our design systems, write high-quality, reusable code … possible, we’d love to hear from you! In this role, you’ll: Work with the squad to build the front-end capability and API integration for customer-facing applications using React, Styled components, and Design System. Help build and develop the applications by writing high-quality, reusable … Hooks and Router, State Management, Styled Components/Emotion. Experience in automated testing using React testing framework, Jest, Cypress, etc. Strong understanding of Context API, Redux, and state management. Able to develop optimal solutions for both customers and the business by delving into challenges and collaborating with colleagues through More ❯

ABOUT THE ROLE We are looking for someone with a deep understanding of API integrations, automation, and enterprise workflows. This role is specifically focused on designing and supporting complex API-driven integrations, primarily for our enterprise customers. This role requires hands-on problem-solving, the ability to develop … automation scripts or API workflows (e.g., ETL flows), and in-depth API expertise to support both internal teams and external partners in executing seamless integrations. WHAT YOU WILL DO Work directly with enterprise customers to understand their technical needs, document requirements in SOWs, and provide guidance on integrating … our system with theirs. Plan and outline integration workflows to define each use case and possible scenarios. Lead and manage API integrations, proactively anticipating and troubleshooting technical issues and ensuring a smooth onboarding experience for customers. Collaborate with Solutions Consultants and internal technical teams by coaching on technical More ❯

as well as managing existing client projects. Our projects team is very hands-on and you will get involved with the technical side of integration projects, including debugging data flows and API integrations, so this is a great opportunity for you to build on your technical knowledge. Day … to day you will prepare and present detailed project and integration plans with timelines and deliverables to clients, and ensure that internal teams are aligned on the plan. You will be the main point of contact at Ometria, guiding them through their responsibilities in the process as well as … Success, Sales, and Engineering. What kind of people do well in this role? Experienced You have experience managing multiple technical projects - with knowledge of: API integration with REST API and experience of Postman Javascript tagging Database concepts and data design Debugging data flows Excellent communicator You have More ❯

AI-driven computer vision, helping businesses unlock real-time insights, automate processes, and boost efficiency with cutting-edge technology. Key Responsibilities: Own the full integration process, including API integrations, connectivity, and troubleshooting. Work closely with sales to support pre-sales efforts, demonstrating technical feasibility to potential customers. Lead … post-sales implementation, ensuring customer success through hands-on integration support. Collaborate with R&D and product teams to refine integration processes and address technical challenges. Deploy and manage Docker containers, handle API integration calls, and troubleshoot technical issues. Act as a trusted technical advisor, guiding … customers through setup and optimisation. Ideal Candidate: Strong technical background in IT, software integration, or technical sales engineering. Comfortable working with APIs, system architecture, and cloud-based deployments. Ability to install, manage, and troubleshoot Docker containers. Experience working closely with sales teams to support pre- and post-sales efforts. More ❯

you to find the optimal balance between remote and in-office work. Job purpose We are seeking a highly skilled and collaborative Data Science Integration Specialist to join our innovative group of statisticians and data scientists. This individual will play a pivotal role in bridging the gap between our … such as Databricks, Posit (RStudio), and cloud-based technologies) by ensuring that the statistical perspective is integrated throughout. Facilitate discussions around MLOps, DevOps, and API integration, supporting both sides in understanding the requirements and implications of each area. Help ensure that version control, automation pipelines, and other reproducibility … of MLOps and DevOps practices, including tools such as Docker, Kubernetes, CI/CD pipelines, and version control systems (e.g., Git). Understanding of API design and integration concepts. Excellent communication and collaboration skills, with the ability to translate technical concepts between diverse teams. Preferred Requirements: Experience working More ❯

quality code and maintaining five Shopify headless websites in different languages. You will oversee CMS, Product Recommendation, and Personalisation applications, as well as manage API services between the headless website and Shopify. Additionally, you will lead a team of two developers and report directly to the Head of Digital … Delivery. Key Responsibilities: Lead Development: Take charge of headless website development using the Svelte Framework. CMS Development: Develop bespoke CMS solutions. API Integration: Build and update API integrations with third-party SaaS providers such as Shopify, Nosto, and bespoke CMS. DevOps Management: Oversee DevOps responsibilities using Kubernetes … both client-side and server-side architecture. Documentation: Write comprehensive technical documentation. Requirements: Essential: Proven experience as a Full Stack Developer. Proficiency in Rest API & GraphQL. Strong skills in JavaScript, Java, CSS, and HTML. Experience with Google Cloud Platform (GCP) and Kubernetes Engine (on GCP). Expertise in server More ❯

quality code and maintaining five Shopify headless websites in different languages. You will oversee CMS, Product Recommendation, and Personalisation applications, as well as manage API services between the headless website and Shopify. Additionally, you will lead a team of two developers and report directly to the Head of Digital … Delivery. Key Responsibilities: Lead Development: Take charge of headless website development using the Svelte Framework. CMS Development: Develop bespoke CMS solutions. API Integration: Build and update API integrations with third-party SaaS providers such as Shopify, Nosto, and bespoke CMS. DevOps Management: Oversee DevOps responsibilities using Kubernetes … both client-side and server-side architecture. Documentation: Write comprehensive technical documentation. Requirements: Essential: Proven experience as a Full Stack Developer. Proficiency in Rest API & GraphQL. Strong skills in JavaScript, Java, CSS, and HTML. Experience with Google Cloud Platform (GCP) and Kubernetes Engine (on GCP). Expertise in server More ❯

of working. Requirements Key Responsibilities: Back-End Development: Design, develop, and maintain server-side applications and APIs using Node.js, ensuring performance, scalability, and security API Integration: Work with RESTful APIs and third-party services to integrate and enhance system functionality Database Management: Develop and maintain database architectures (e.g. … data storage solutions Code Optimization: Write clean, modular, and reusable code, adhering to best practices and design patterns Testing and Debugging: Conduct unit and integration testing, debug issues, and ensure high-quality, reliable, and maintainable code Collaboration: Collaborate with front-end developers to integrate front-end components with server More ❯

modular development. o In-depth experience in defects and enhancement management. o In-depth experience with product/application development lifecycle. Proficiency in UI API development and integration. Proficiency in UI design & business process design. o Experience working with authentication and authorization. Proficient in working with large data and More ❯

must be authorized to work in the United Kingdom. Other Required skills include: • Languages: TypeScript, JavaScript • Frontend: React, HTML5, CSS3 • State Management: React Context API, React Query • Forms: Formik/React Hook Form, Yup validation • API Handling: RESTful APIs, WebSockets • Build Tools: Vite, Yarn • Version Control: Git, GitHub … include, but are not limited to: • Core Development: Maintain and enhance React components with TypeScript, ensuring responsive UI design and adherence to design systems. • API Integration: Consume RESTful APIs with modern HTTP clients (ky), handle file uploads/downloads, and manage error handling/loading states. • State Management … Use React Context API and React Query for global state, caching, and optimistic updates. • Data Processing: Transform and process complex nested data and handle filtering, sorting, and pagination. • Authentication & Authorization: Implement token-based authentication, role-based access control, and permission-based UI rendering. • Testing & Quality Assurance: Write unit/ More ❯

must be authorized to work in the United Kingdom. Other Required skills include: • Languages: TypeScript, JavaScript • Frontend: React, HTML5, CSS3 • State Management: React Context API, React Query • Forms: Formik/React Hook Form, Yup validation • API Handling: RESTful APIs, WebSockets • Build Tools: Vite, Yarn • Version Control: Git, GitHub … include, but are not limited to: • Core Development: Maintain and enhance React components with TypeScript, ensuring responsive UI design and adherence to design systems. • API Integration: Consume RESTful APIs with modern HTTP clients (ky), handle file uploads/downloads, and manage error handling/loading states. • State Management … Use React Context API and React Query for global state, caching, and optimistic updates. • Data Processing: Transform and process complex nested data and handle filtering, sorting, and pagination. • Authentication & Authorization: Implement token-based authentication, role-based access control, and permission-based UI rendering. • Testing & Quality Assurance: Write unit/ More ❯

management and modular development. In-depth experience in defects and enhancement management. In-depth experience with product/application development lifecycle. Proficiency in UI API development and integration. Proficiency in UI design & business process design. Experience working with authentication and authorization. Proficient in working with large data and SQL More ❯

quality code and maintaining five Shopify headless websites in different languages. You will oversee CMS, Product Recommendation, and Personalisation applications, as well as manage API services between the headless website and Shopify. Additionally, you will lead a team of two developers and report directly to the Head of Digital … Delivery. Key Responsibilities: Lead Development: Take charge of headless website development using the Svelte Framework. CMS Development: Develop bespoke CMS solutions. API Integration: Build and update API integrations with third-party SaaS providers such as Shopify, Nosto, and bespoke CMS. DevOps Management: Oversee DevOps responsibilities using Kubernetes … Design both client-side and server-side architecture. Documentation: Write comprehensive technical documentation. Requirements: Proven experience as a Full Stack Developer. Proficiency in Rest API & GraphQL. Experience with Google Cloud Platform (GCP) and Kubernetes Engine (on GCP). Expertise in server-side rendering. Hands-on experience with Shopify (Headless More ❯

and more. You will present your findings to customers alongside sales. Technical integrations: You will work with our product team to assist with the integration of new models and ML-Ops tools into V7. Marketplace Integration: Develop and maintain the integration into major cloud marketplaces so users … skilled multi-tasker and familiar with project management tools like Linear. Who you are: Experience delivering Large Language Model projects with customers, including LLM API integration, up-to-speed knowledge of foundation models, SFT (Supervised Fine-Tuning), prompt engineering, RAG (Retrieval-augmented generation) and/or measuring AI More ❯

and more. You will present your findings to customers alongside sales. Technical integrations: You will work with our product team to assist with the integration of new models and ML-Ops tools into V7. Marketplace Integration: Develop and maintain the integration into major cloud marketplaces so users … skilled multi-tasker and familiar with project management tools like Linear. Who you are: Experience delivering Large Language Model projects with customers, including LLM API integration, up-to-speed knowledge of foundation models, SFT (Supervised Fine-Tuning), prompt engineering, RAG (Retrieval-augmented generation), and/or measuring AI More ❯