1 to 25 of 231 API Integration Jobs in the UK

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems … translate them into simple, elegant technical solutions. • Communication: Excellent verbal and written communication skills to effectively collaborate with both technical and non-technical stakeholders. • Leadership: Experience leading large-scale integration projects in an agile environment and mentoring development teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of … relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role responsible for designing and overseeing the implementation of enterprise-wide integration solutions, with a strong emphasis on using More ❯

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems … translate them into simple, elegant technical solutions. • Communication: Excellent verbal and written communication skills to effectively collaborate with both technical and non-technical stakeholders. • Leadership: Experience leading large-scale integration projects in an agile environment and mentoring development teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of … relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role responsible for designing and overseeing the implementation of enterprise-wide integration solutions, with a strong emphasis on using More ❯

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems … translate them into simple, elegant technical solutions. • Communication: Excellent verbal and written communication skills to effectively collaborate with both technical and non-technical stakeholders. • Leadership: Experience leading large-scale integration projects in an agile environment and mentoring development teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of … relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role responsible for designing and overseeing the implementation of enterprise-wide integration solutions, with a strong emphasis on using More ❯

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems … translate them into simple, elegant technical solutions. • Communication: Excellent verbal and written communication skills to effectively collaborate with both technical and non-technical stakeholders. • Leadership: Experience leading large-scale integration projects in an agile environment and mentoring development teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of … relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role responsible for designing and overseeing the implementation of enterprise-wide integration solutions, with a strong emphasis on using More ❯

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems … translate them into simple, elegant technical solutions. • Communication: Excellent verbal and written communication skills to effectively collaborate with both technical and non-technical stakeholders. • Leadership: Experience leading large-scale integration projects in an agile environment and mentoring development teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of … relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role responsible for designing and overseeing the implementation of enterprise-wide integration solutions, with a strong emphasis on using More ❯

Vue.js, React & TypeScript to work in Front End development team, ensuring the delivery of scalable, high-performance web applications. This role requires an understanding of user experience principles, REST API integration, and testing methodologies. Frontend Development Architect, develop, and optimise Vue.js applications using TypeScript . Implement best practices for component-based architecture and UI reusability . Manage and … systems for UI consistency. Mobile-First & Responsive Design: Expertise in crafting seamless experiences across desktop, tablet, and mobile. Testing & Quality Assurance Establish and enforce unit testing, component testing, and integration testing strategies. Utilise tools such as Jest, Vue Test Utils, and Cypress to maintain code reliability. Automate testing and CI/CD pipelines to ensure smooth deployments. REST API Integration & Performance Optimisation Design and optimise REST API interactions to ensure efficiency and security. Collaborate with Back End developers to align API structures with Front End needs. Optimise application performance, reducing load times and improving responsiveness. Required Skills & Qualifications 5+ years of Front End development experience Expertise in js (Vue 3 preferred) and TypeScript . Expertise More ❯

Data Integration Specialist (Excel & API Focus) – Join a high-growth fintech innovator. Are you an Excel expert with a passion for data integration? A fast-growing financial technology company—trusted by leading global banks, hedge funds, and asset managers—is seeking a skilled Data Integration Specialist to support our Excel Add-in and data distribution tools. … What You’ll Do Support installation, deployment, and troubleshooting of our Excel Add-in across client systems. Ensure seamless integration of financial data into the Windows ecosystem . Assist clients with configuration, troubleshooting, and user adoption. Work on API integration projects and provide technical expertise. What You’ll Bring Deep expertise in MS Excel (add-ins, VBA … troubleshooting). Strong background in the Windows environment and desktop integrations. Previous experience at major data providers (Bloomberg, FactSet, S&P, or similar) highly desirable. API integration knowledge is a plus. Excellent communication skills with a client-first approach. Why Join Us? Be part of a rapidly scaling fintech innovator at the forefront of credit data analytics. Work More ❯

Data Integration Specialist (Excel & API Focus) – Join a high-growth fintech innovator. Are you an Excel expert with a passion for data integration? A fast-growing financial technology company—trusted by leading global banks, hedge funds, and asset managers—is seeking a skilled Data Integration Specialist to support our Excel Add-in and data distribution tools. … What You’ll Do Support installation, deployment, and troubleshooting of our Excel Add-in across client systems. Ensure seamless integration of financial data into the Windows ecosystem . Assist clients with configuration, troubleshooting, and user adoption. Work on API integration projects and provide technical expertise. What You’ll Bring Deep expertise in MS Excel (add-ins, VBA … troubleshooting). Strong background in the Windows environment and desktop integrations. Previous experience at major data providers (Bloomberg, FactSet, S&P, or similar) highly desirable. API integration knowledge is a plus. Excellent communication skills with a client-first approach. Why Join Us? Be part of a rapidly scaling fintech innovator at the forefront of credit data analytics. Work More ❯

them “at the touch of a button.” While that may be ambitious, the successful candidate will play a key role in moving towards this goal by: Taking ownership of integration processes with external systems, ensuring seamless connectivity and client satisfaction. Collaborating with Client Solutions and other teams to understand requirements and deliver tailored solutions. Designing and implementing scalable, future … proof architectures for new connectors and integrations. Enhancing observability with better diagnostics, logging, and tracing to support technical teams. Overseeing the development and management of the public API (REST + event streaming functionality). Producing clear, accessible technical documentation, using tools like Swagger. Driving the creation of self-serve capabilities to empower clients to manage integrations independently. What the … let us know by emailing (if this address has been removed by the job board, full details are available on our website). Keywords Head of Integrations/Technical Integration Lead/API Integration Manager/SaaS Integration Engineer/Full Stack Developer/Solutions Architect/Cloud Engineer/Platform Integrations Lead/Node.js/ More ❯

a Software Developer and play a key role in expanding our cutting-edge SaaS platform into the North American market. This hybrid role blends hands-on Software Development, Application Integration and 3rd line support, giving you the opportunity to shape customer experiences and optimise system performance from day one. You will use technologies such as C#, Angular, SQL and … Powershell for automating tasks. Role: Integration Developer, Full Stack Developer, Application Integration Engineer, Platform Integration Engineer, Integration & Support Developer, Intergration Software Engineer, Location: Hybrid (2 days in the office) – Office is in Ludlow, Shropshire Salary: £45k - £50k base salary + Bonus Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance … tickets & more You'll Design, develop and maintain integrations, imports, and exports, while resolving complex issues and supporting our onboarding and rollout strategies. With strong SQL, PowerShell, C#, and API integration skills, you'll thrive in a role that's equal parts technical delivery and customer-focused support. We offer a collaborative, forward-thinking environment where your impact More ❯

large volumes of data. Experience with Notebooks (e.g., Jupyter, Databricks) for data exploration, analysis, and reporting. Design and optimise data workflows to streamline key processing tasks, enhancing operational efficiency. API Integration & Data Ingestion: Integrate external and internal APIs to ingest data into our systems, ensuring smooth and consistent data integration. Automate the API data ingestion processes to … Fabric Data Engineer, with expertise in Microsoft Fabric, Azure, and Python. Proven experience in designing and implementing ETL pipelines, managing notebooks, and optimising data workflows. Solid experience working with API integration and data ingestion from various sources. Technical Skills: Proficiency in Python for building data pipelines, automation, and data manipulation. Expertise in Azure cloud services and Microsoft Fabric. … Knowledge of ETL processes, data modelling, and data integration techniques. Understanding of AI technologies and experience working on AI-driven projects (advantageous). Familiarity with Power Automate for automating business processes (optional). Soft Skills: Strong communication skills, with the ability to explain complex technical concepts to non-technical stakeholders. Excellent problem-solving abilities, with a focus on data More ❯

Familiarity with Angular, Next.js, Node.js-based APIs, and GenAI frameworks (e.g., OpenAI, Hugging Face, LangChain) is a plus. This role demands a deep understanding of application compatibility, security, and API integration within modern cloud environments. Key Responsibilities: • Lead the design and development of robust, scalable, and maintainable UI applications. • Architect and implement GenAI-powered features such as intelligent … in software development, with a strong focus on frontend technologies. • Proven expertise in ReactJS and modern JavaScript/TypeScript. • Solid understanding of architectural principles and design patterns. • Experience with API integration, especially using Next.js or Node.js. • Hands-on experience integrating GenAI models into frontend applications (e.g., chatbots, summarization tools, recommendation engines). • Knowledge of application compatibility, security, and More ❯

Familiarity with Angular, Next.js, Node.js-based APIs, and GenAI frameworks (e.g., OpenAI, Hugging Face, LangChain) is a plus. This role demands a deep understanding of application compatibility, security, and API integration within modern cloud environments. Key Responsibilities: • Lead the design and development of robust, scalable, and maintainable UI applications. • Architect and implement GenAI-powered features such as intelligent … in software development, with a strong focus on frontend technologies. • Proven expertise in ReactJS and modern JavaScript/TypeScript. • Solid understanding of architectural principles and design patterns. • Experience with API integration, especially using Next.js or Node.js. • Hands-on experience integrating GenAI models into frontend applications (e.g., chatbots, summarization tools, recommendation engines). • Knowledge of application compatibility, security, and More ❯

Familiarity with Angular, Next.js, Node.js-based APIs, and GenAI frameworks (e.g., OpenAI, Hugging Face, LangChain) is a plus. This role demands a deep understanding of application compatibility, security, and API integration within modern cloud environments. Key Responsibilities: • Lead the design and development of robust, scalable, and maintainable UI applications. • Architect and implement GenAI-powered features such as intelligent … in software development, with a strong focus on frontend technologies. • Proven expertise in ReactJS and modern JavaScript/TypeScript. • Solid understanding of architectural principles and design patterns. • Experience with API integration, especially using Next.js or Node.js. • Hands-on experience integrating GenAI models into frontend applications (e.g., chatbots, summarization tools, recommendation engines). • Knowledge of application compatibility, security, and More ❯

Responsibilities include: - Supporting and maintaining a range of websites, portals, and web-based applications - Developing new applications using technologies such as: - Umbraco CMS - .NET/.NET Core - SQL Server - API integration and SQL querying - Collaborating with a multi-disciplinary team and sharing technical knowledge - Offering support and guidance to internal teams Key Skills & Experience Applicants should have a … minimum of 2 years’ experience, with proven skills in at least three of the following areas: - Backend development using .NET - Backend development using alternative technologies - API integration - SQL Server and T-SQL - Version Control (e.g., Git) You will also bring: - Strong communication and collaboration skills - Effective problem-solving abilities - Confidence working under pressure and to deadlines - A proactive More ❯

tools that enable users to interact with complex data assets through conversational and visual interfaces. The role also demands hands-on development expertise in modern front-end frameworks and API integration to ensure seamless and performant user experiences. Key Responsibilities UX/UI Strategy & Leadership • Define and drive the UX/UI vision for GenAI-enabled data products. … Integrate with RESTful APIs and backend services to enable dynamic data interactions and GenAI capabilities. • Conduct usability testing and iterate designs based on user feedback and analytics. GenAI & NLP Integration • Design interfaces that support natural language interactions, summarisation, and intelligent recommendations. • Collaborate with AI/ML teams to visualise GenAI outputs and integrate them into user workflows. • Translate complex … GenAI concepts, especially NLP search and conversational interfaces. • Hands-on development experience with React and/or Angular, including component architecture, state management, and performance optimisation. • Strong knowledge of API integration, including RESTful services, authentication flows, and error handling. • Proficiency in design tools (e.g., Figma, Sketch, Adobe XD) and prototyping platforms. • Familiarity with HTML/CSS and front More ❯

tools that enable users to interact with complex data assets through conversational and visual interfaces. The role also demands hands-on development expertise in modern front-end frameworks and API integration to ensure seamless and performant user experiences. Key Responsibilities UX/UI Strategy & Leadership • Define and drive the UX/UI vision for GenAI-enabled data products. … Integrate with RESTful APIs and backend services to enable dynamic data interactions and GenAI capabilities. • Conduct usability testing and iterate designs based on user feedback and analytics. GenAI & NLP Integration • Design interfaces that support natural language interactions, summarisation, and intelligent recommendations. • Collaborate with AI/ML teams to visualise GenAI outputs and integrate them into user workflows. • Translate complex … GenAI concepts, especially NLP search and conversational interfaces. • Hands-on development experience with React and/or Angular, including component architecture, state management, and performance optimisation. • Strong knowledge of API integration, including RESTful services, authentication flows, and error handling. • Proficiency in design tools (e.g., Figma, Sketch, Adobe XD) and prototyping platforms. • Familiarity with HTML/CSS and front More ❯

tools that enable users to interact with complex data assets through conversational and visual interfaces. The role also demands hands-on development expertise in modern front-end frameworks and API integration to ensure seamless and performant user experiences. Key Responsibilities UX/UI Strategy & Leadership • Define and drive the UX/UI vision for GenAI-enabled data products. … Integrate with RESTful APIs and backend services to enable dynamic data interactions and GenAI capabilities. • Conduct usability testing and iterate designs based on user feedback and analytics. GenAI & NLP Integration • Design interfaces that support natural language interactions, summarisation, and intelligent recommendations. • Collaborate with AI/ML teams to visualise GenAI outputs and integrate them into user workflows. • Translate complex … GenAI concepts, especially NLP search and conversational interfaces. • Hands-on development experience with React and/or Angular, including component architecture, state management, and performance optimisation. • Strong knowledge of API integration, including RESTful services, authentication flows, and error handling. • Proficiency in design tools (e.g., Figma, Sketch, Adobe XD) and prototyping platforms. • Familiarity with HTML/CSS and front More ❯

managers, wealth advisors, and multi-family offices to streamline operations, enhance profitability, and accelerate digital transformation. The platform integrates directly with Saxo Bank, Addepar, and other vendors via Open API, offering a full stack of investment, trading, custody, and reporting infrastructure. Backed by cutting-edge cloud-native architecture, we are redefining the way wealth managers operate. The Role We … investment management platform Coordinate complex product development initiatives across portfolio management, trading, reporting, CRM, business management, and other modules Translate business and regulatory requirements into technical specifications Oversee the integration and enhancement of our extensive Open API ecosystem, including connections with Saxo Bank, Addepar, market data providers, KYC/AML vendors, and many others Serve as the primary … deep understanding of industry workflows and requirements Solid technical foundation with hands-on experience in modern web technologies, including React, TypeScript, Python, and cloud infrastructure (AWS preferred) Understanding of API integration patterns, particularly Open API/REST API implementations in financial services contexts Proven track record of successfully managing complex, multi-module/multi-vendor software More ❯

application development. • Unit with React Testing Library/Jest and E2E test automation with Cypress • Industry standard CI/CD Orchestration Tools (GitHub Actions and Docker) • knowledge of Docker, API microservices, API integration with SAP • A detailed and working knowledge of AWS services Candidates who are currently an Application Developer, Software Engineer, Software Developer, Web Developer, Application More ❯

Software Engineer | Workday Certified Developer | C# | API Integrations | Contract Workday Studio | EIBs | Core Connectors | REST APIs | HRIS | RemoteSR2 is working with a consultancy client on a large-scale Workday implementation and looking for an experienced Workday Certified Developer with strong C# and API integration expertise.This role will focus on designing, building, and maintaining complex integrations between Workday … and EIBs Build and maintain robust integrations with third-party applications using C# and REST/SOAP APIs Collaborate with HRIS, business, and technical teams to define and deliver integration requirements Provide technical expertise and best practice guidance for Workday integration architecture Troubleshoot and resolve complex integration issues to minimise disruption Produce clear documentation and provide knowledge … transfer to internal teams Skills & Experience Required: Workday Integration Certification Strong experience with Workday Studio, EIBs, and Core Connectors Proven background in C# development in integration-heavy environments Hands-on experience with REST/SOAP APIs , XML, JSON, and XSLT Strong communication skills and ability to work in a global, distributed environment Self-sufficient, proactive, and comfortable working More ❯

talented Full-Stack Developer to join their dynamic team, contributing to the design, development, and optimisation of digital lead generation platforms. The ideal candidate will be passionate about automation, API integrations, and conversion-driven user experiences, with a strong understanding of regulatory and compliance frameworks in the UK. Job Overview We are looking for a skilled Full-Stack Developer … solutions that align with our compliance requirements. The role demands expertise in a diverse tech stack, proficiency with cloud platforms (AWS or Replit), and the ability to handle encrypted API communications to protect sensitive customer data. Key Responsibilities Design, develop, and maintain full-stack web applications, focusing on lead generation workflows. Optimize and scale platform performance to handle increasing … and Yup for form handling and validation. Database and Storage : Experience with Supabase or similar PostgreSQL-based solutions for data management. Ability to integrate and manage relational databases securely. API Integration : Strong experience in working with RESTful APIs (e.g., Numverify, ZeroBounce) to send and receive encrypted data. Knowledge of API security protocols (e.g., OAuth, TLS/SSL More ❯

Data Integration Engineer £Up to £700 Inside IR35 GBP Onsite WORKING Location: Bristol, South West - United Kingdom Type: Permanent Software Engineer/Data Integration Engineer - National Security & Government Up to £700 Inside IR35 Location: London or Bristol Our client is a trusted digital consultancy working at the heart of national security, law enforcement, and defence. They deliver secure … protect the UK and its interests. With a strong focus on innovation, collaboration, and agility, they empower engineers to solve complex challenges in high-trust environments. As a Data Integration Engineer , you'll work across data pipelines, APIs, and backend services to ensure data flows securely and seamlessly between systems. You'll collaborate with cross-functional teams to design … and deliver scalable integration solutions that support critical mission capabilities. Key Responsibilities Design, develop, and maintain integrations between internal systems and third-party platforms using APIs and secure protocols. Build and optimise scalable data pipelines for ingesting, transforming, and delivering data across environments. Collaborate with software engineers, DevOps, and product teams to understand integration requirements and deliver robust More ❯

Hands-on experience with TDD, unit testing, and automated test frameworks Working knowledge of Agile-based approaches Excellent communication and problem-solving skills Nice to Have(s): Worked with API integrations, or similar Experience with Docker/Kubernetes or other container technologies Cloud experience (Azure or AWS preferred) Exposure to messaging systems or event-driven architecture Proficiency using AI More ❯

and deploying the systems that define how they use AI. Key Responsibilities Custom AI Development : Write backend code to integrate AI services into business workflows and customer-facing applications. API Integration : Build robust, secure integrations with third-party APIs (OpenAI, ElevenLabs, etc.) using backend languages. Prompt Engineering : Craft and refine prompts to achieve consistent, reliable AI outputs. System … reporting directly to leadership and shaping the direction of AI within the business. Essential Skills Strong backend development skills in Python, Node.js, or a similar language Proven experience with API consumption, authentication, and integration . Familiarity with cloud platforms (AWS, GCP, Azure). Ability to design and implement production-grade backend services . Solid understanding of software engineering More ❯