1 to 25 of 645 Permanent API Integration Jobs in the UK

seasoned AI expert ready to take your skills to the next level? Do words like Azure OpenAI, Cognitive Services, prompt engineering, Retrieval-Augmented Generation (RAG) architectures, vector stores, and API integrations make you light up inside? If so, we want to hear from you! At 1st Central , we're on an exciting journey with AI and Generative AI - and … or save time-and you know how to turn those ideas into working solutions. What's involved: Lead the design and implementation of AI engineering frameworks and standards, emphasising API integrations, Azure infrastructure, and Azure security & networking. Architect and develop AI and Generative AI solutions using services like Azure OpenAI and Azure Cognitive Services Implement prompt engineering techniques and … and continuous integration. Develop and maintain automated frameworks for testing, validation, and monitoring of AI model accuracy, performance, and reliability. Establish best practices for AI data pipeline development and integration with infrastructure to support scalable deployment. Collaborate closely with Data Scientists, Data Engineers, Software Developers, and Architects for seamless execution of AI initiatives from concept to deployment. Engage with More ❯

seasoned AI expert ready to take your skills to the next level? Do words like Azure OpenAI, Cognitive Services, prompt engineering, Retrieval-Augmented Generation (RAG) architectures, vector stores, and API integrations make you light up inside? If so, we want to hear from you! At 1st Central , we're on an exciting journey with AI and Generative AI - and … or save time-and you know how to turn those ideas into working solutions. What's involved: Lead the design and implementation of AI engineering frameworks and standards, emphasising API integrations, Azure infrastructure, and Azure security & networking. Architect and develop AI and Generative AI solutions using services like Azure OpenAI and Azure Cognitive Services Implement prompt engineering techniques and … and continuous integration. Develop and maintain automated frameworks for testing, validation, and monitoring of AI model accuracy, performance, and reliability. Establish best practices for AI data pipeline development and integration with infrastructure to support scalable deployment. Collaborate closely with Data Scientists, Data Engineers, Software Developers, and Architects for seamless execution of AI initiatives from concept to deployment. Engage with More ❯

of software development methodologies. Knowledge of RESTful APIs and microservices architecture. Strong understanding of serverless architecture and cloud computing principles. Experience with building data ingestion with multiple file format, API integration. Knowledge of TDD, BDD including writing unit test, integration and E2E testing. Strong problem-solving skills and attention to detail. Bachelor's degree in computer science, engineering More ❯

and other developers to translate business requirements into technical solutions Write clean, efficient, and reusable code following best practices and coding standards Participate in code reviews, unit testing, and integration testing Contribute to DevOps practices: CI/CD pipelines, containerization, and cloud deployments Troubleshoot, debug, and resolve application issues in a timely manner Ensure application performance, scalability, and security … Required Skills & Experience: Strong core Java (Java 8 or above) development skills Proven experience with Spring Boot , Spring MVC, Spring Data JPA, and Spring Security RESTful API design and integration Experience with Microservices architecture Familiarity with Docker , Kubernetes , and CI/CD pipelines Hands-on experience with databases such as PostgreSQL , Oracle , or MongoDB Knowledge of testing frameworks More ❯

and support junior developers and analysts by: Assisting with onboarding and inductionproviding overviews of architectural diagrams, codebases, and development workflows Delivering training sessions on topics such as SQL optimization, API design, or cloud service provisioning Reviewing their work, offering constructive feedback, and helping them develop troubleshooting skills Identify recurring service-desk calls caused by user knowledge gaps; collaborate with … SQL. Strong programming experience using languages such as Python, JavaScript, C# or Rust Experience of working with teams developing high availability web-services and web-based apps Experience with API integrations including REST, JSON and other data integration toolsets Experience in developing and deploying to Cloud environments such as Azure Desirable Fullstack web development experience Familiarity with frontend More ❯

Stack: Java (v8–11+), Spring, Hibernate, SQL (MS SQL/PostgreSQL), NoSQL (DynamoDB) Modern Javascript/Typescript frontend AWS (Lambda, Step Functions), Microservices, Serverless architecture Azure DevOps, Jenkins, Docker, API integrations (REST/JSON) Ideal Profile: 5+ years Java development experience. Ambition to lead & mentor. Fantastic opportunity to join a supportive, innovative business with strong growth, excellent culture, and More ❯

applications in production environments. Strong proficiency in: Backend : Python, Django Frontend : JavaScript, React, Next.js Version Control : Git Ability to design and maintain performant, data-heavy backend systems with external API integrations. Experience developing responsive UIs that perform well across devices and browsers. Self-starter attitude with the ability to take full ownership of technical tasks. Excellent problem-solving, communication More ❯

applications in production environments. Strong proficiency in: Backend : Python, Django Frontend : JavaScript, React, Next.js Version Control : Git Ability to design and maintain performant, data-heavy backend systems with external API integrations. Experience developing responsive UIs that perform well across devices and browsers. Self-starter attitude with the ability to take full ownership of technical tasks. Excellent problem-solving, communication More ❯

Leadership: Lead development of our Python-based AI orchestration application deployed via containerised services with python engineers and your seld Manage our multi-modal LLM strategy including Amazon Bedrock integration and self-hosted model deployment Optimise vector indexing, retrieval systems, and embedding pipelines for document processing Implement advanced prompt engineering, token management, and model evaluation frameworks Drive improvements to … databases and distributed queue systems Guide development of our Nuxt (Vue 3) frontend with TypeScript and modern CSS frameworks Manage our React Native mobile app development and cross-platform API integration Ensure seamless integration between frontend, backend, and AI orchestration layers Cloud Infrastructure & DevOps: Lead our serverless and containerised deployment strategies across cloud providers Architect scalable compute … systems, and retrieval architectures Technical Expertise: Full-stack development across modern web technologies Containerisation (Docker) and orchestration platforms (Kubernetes, ECS, or equivalent) Database design across SQL and NoSQL systems API design, microservices architecture, and distributed systems Cloud infrastructure management and infrastructure-as-code AI/ML model deployment, monitoring, and scaling strategies Experience with both cloud-managed AI services More ❯

reliable automated tests from the earliest stages of development. Tools & Technologies: Collaborate with DevOps and Cyber Security teams to integrate testing tools and quality assurance practices into our continuous integration and deployment pipelines. Load & Performance Testing: Participate in load, stress, and spike testing to ensure applications perform under heavy and unpredictable loads. Ideal Candidate: Testing Expertise: Strong experience in … both front-end and back-end testing, with hands-on expertise in automation testing tools. API Testing: Proficiency in using API testing tools like Postman, Insomnia, or similar tools to ensure robust API integrations. Programming Skills: Proficient in modern programming languages such as Python, C#, or JavaScript, with hands-on experience in writing automated tests. Collaboration & Communication … Azure or AWS, and knowledge of Kubernetes is a plus. Financial Systems Testing: Prior experience in testing financial systems, particularly trading platforms, would be highly valued. CI/CD Integration: Extensive experience in integrating automated tests into CI/CD pipelines for continuous delivery. More ❯

days on-site) Salary: £30,000 – £50,000 D.O.E We are looking for an exceptional problem solver with a background in data & integrations engineering to deliver HubSpot integration and custom development solutions for our clients. What You’ll Get To Do You’ll have the chance to tackle complex business problems daily. You’ll transform our clients customer and … translate into solid technical deliverables Carryout extensive data mapping, configuration, testing, and implementation activities Write and test code to ensure compatibility, stability, and fault tolerance Configure plug-and-play integration apps Take the lead on acceptance testing and ensure related documentation is accurate and relevant Review code and solutions produced by other developers as part of the QA and … experience with a major programming language (ideally Python) Experience deploying production software applications to cloud services (Google Cloud/Azure/AWS) 2+ years of experience handling complex systems integration projects, involving a diverse range of software/platforms and data structures. Experience working with SQL and relational database platforms (MSSQL, MySQL, Oracle, etc) Experience with ETL processes and More ❯

expertise in Django framework Solid experience with SQL and/or PostgreSQL, including performance tuning and complex queries Prior experience in the FinTech industry is required Familiarity with RESTful API design and integration Understanding of data privacy, security standards, and regulatory compliance relevant to FinTech Experience with version control systems like Git Good communication skills and ability to More ❯

expertise in Django framework Solid experience with SQL and/or PostgreSQL, including performance tuning and complex queries Prior experience in the FinTech industry is required Familiarity with RESTful API design and integration Understanding of data privacy, security standards, and regulatory compliance relevant to FinTech Experience with version control systems like Git Good communication skills and ability to More ❯

Tableau or PowerBI for visualisations and reporting Familiarity with DS front ends like Streamlit or Gradio to prototype solutions Exposure to development experience in mobile responsiveness using React.JS Web API development and integration in .NET C# Cloud based infrastructure and development on Azure, AWS or equivalent Knowledge and experience of working within the financial services sector Understanding & experience More ❯

Application development skills using .NET, C# Strong understanding of front-end technologies such as JavaScript, Angular, React. Strong experience in designing cloud-native applications and architectures. Strong background in API design and integration patterns. Deep understanding of Azure cloud services and modern deployment practices. Strong knowledge of development management tooling and approaches, including code control, collaboration, and test More ❯

CSS preprocessors (SASS, LESS). Proficiency in responsive design and mobile-first development. Experience with state management libraries (Redux, Vuex, Zustand, or similar). Familiarity with RESTful and GraphQL API integration. Experience with front-end build tools and module bundlers (Webpack, Vite, Parcel, etc.). Knowledge of performance optimization techniques for web applications. Understanding of SEO best practices for … Nuxt.js, or other SSR frameworks. Familiarity with WebAssembly, WebGL, or other advanced web technologies. Experience working with progressive web apps (PWAs) and service workers. Knowledge of GraphQL and headless API-driven architectures. Familiarity with serverless computing (AWS Lambda, Azure Functions, etc.). More ❯

CSS preprocessors (SASS, LESS). Proficiency in responsive design and mobile-first development. Experience with state management libraries (Redux, Vuex, Zustand, or similar). Familiarity with RESTful and GraphQL API integration. Experience with front-end build tools and module bundlers (Webpack, Vite, Parcel, etc.). Knowledge of performance optimization techniques for web applications. Understanding of SEO best practices for … Nuxt.js, or other SSR frameworks. Familiarity with WebAssembly, WebGL, or other advanced web technologies. Experience working with progressive web apps (PWAs) and service workers. Knowledge of GraphQL and headless API-driven architectures. Familiarity with serverless computing (AWS Lambda, Azure Functions, etc.). More ❯

experience. Proven experience in leading and mentoring development teams. Good to Have Skill Sets: Experience with cloud platforms (AWS, Azure, GCP). Familiarity with RESTful APIs and third-party API integrations. Understanding of front-end frameworks like Vue.js or React. Knowledge of testing frameworks (PHPUnit, Selenium, etc.). Security best practices in web development. Educational Qualifications: Bachelor's or More ❯

of your time in the code: designing components, writing tests, building capabilities, and elevating the work of those around you. You’ll help define how we build software—API design, internal structure, and translation of business needs into system-level constructs. This is an internally focused architect role: in the details, shaping software other engineers depend on, and constantly … driving better patterns, practices, and outcomes. Tech stack: 10 years experience working with enterprise application design and architecture Software design and development with SaaS based or external facing API Platforms C# .NET/.NET Core SOLID OOP REST/SOAP APIs and 3rd Party API Integration Azure (or AWS) SQL/T-SQL, caching, systems integration More ❯

Microsoft 365, including SharePoint, Teams, Power Apps, Power Automate, and related applications. Design and manage integrations between Microsoft 365 applications and third party systems using REST APIs, Microsoft Graph API, and custom connectors. Create and manage custom connectors within Power Automate and Power Apps to facilitate efficient data flow across multiple platforms. Collaborate with stakeholders and the Business Excellence … and scalable solutions. Maintain, troubleshoot, and optimize existing integrations to ensure security, reliability, and performance. Build automated workflows and solutions that enhance productivity and streamline business operations. Document all integration processes, customizations, and best practices for reference and training. Experience and qualifications required for the role: Degree in Computer Science, Information Technology, or a related field (or equivalent experience … a Microsoft 365 Developer or a similar role focused on integrations. In depth knowledge of Microsoft 365 applications (SharePoint, Teams, Power Apps, Power Automate) and services. Extensive experience with API integrations, particularly Microsoft Graph API, REST APIs, and third party APIs. Strong proficiency in Power Platform development, including Power Apps and Power Automate custom solutions. Knowledge of Azure More ❯

Criteria Benefits: Familiarity and experience with agile development in delivery Experience in other programming languages, specifically C++, C# or Java Experience in Automation/Testing frameworks Experience of Continuous Integration/Development Experience of API integration/development Experience of test/deployment automation Experience of AWS services Free parking at our Belfast office Private medical and More ❯

Develop and maintain scalable full-stack .NET applications that support business operations, courier systems, and WMS functionality. Design and implement APIs with a focus on microservice architecture and efficient API management. Write clean, testable, secure, and efficient code following SOLID principles and modern design patterns. Develop technical specifications and system architecture in collaboration with stakeholders. Interface with third-party … platforms and services through robust API integrations. Utilise database technologies including MySQL and NoSQL solutions to support application data needs. Participate in Agile ceremonies, sprint planning, and contribute to backlog refinement. Conduct code reviews, refactor legacy code, and promote high standards of code quality across the team. Support CI/CD pipelines and contribute to continuous integration and … About You Essential Skills and Experience Demonstrable experience in developing web-based applications using the Microsoft .NET framework. Proficient in C#, with hands-on experience in ASP.NET Core, Web API, and Entity Framework. Practical experience working with both relational databases (e.g., MySQL) and NoSQL technologies. Competent in using Git for source control and collaborative development. Familiarity with Agile methodologies More ❯

Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯