1 to 25 of 1,052 API Development Jobs in the UK

solutions to airlines, airports and ground handlers across 3 continents and 14 countries, serving over 20 airports with a diverse portfolio of products and services. Role and Responsibilities: Application Development: Design, develop, and maintain scalable web applications using the .NET framework and related technologies. Frontend & Backend Integration: Collaborate on both server-side and client-side architecture to deliver seamless … services. Cloud Services Management: Develop and deploy applications on AWS and Azure platforms, leveraging cloud services (e.g., EC2, S3, Lambda, Azure App Services) to optimize performance, scalability, and reliability. API Development: Create and integrate RESTful and SOAP APIs for internal and external consumption, ensuring smooth data interchange among multiple systems and third-party providers. Database Management: Design and … timely manner. What you need: Education: Bachelor’s degree in Computer Science, Software Engineering, or a related field. Experience: 3-5 years of professional experience in full stack web development, with a primary focus on .NET technologies. Cloud Expertise: Demonstrated experience with cloud platforms – specifically AWS and Azure – including deployment, monitoring, and management of cloud-based applications. Strong proficiency More ❯

both frontend and backend components of our next-generation master data management platform. This role demands expertise across the entire technology stack, with a focus on React for frontend development and Java for backend services. A good understanding of the commodity trading business is advantageous, as you'll be working with critical reference data that underpins all trading operations. … You will collaborate closely with business stakeholders, data stewards, and other development teams to ensure that the new system meets the complex needs of a global trading organisation. This is an excellent opportunity to make a significant impact by building a critical system from the ground up, implementing modern architecture patterns and technologies that will support Trafigura's data … Abilities, Key Responsibilities: Frontend Expertise : Strong proficiency in React, JavaScript/TypeScript, HTML5, and CSS3 for building responsive and interactive user interfaces. Java Backend Expertise : Strong proficiency in Java development, including Spring Framework, Spring Boot, and JVM optimisation techniques for high-performance applications. Database Management : Proficiency with both relational databases (Oracle, PostgreSQL) and NoSQL solutions, with strong SQL skills More ❯

solutions to airlines, airports and ground handlers across 3 continents and 14 countries, serving over 20 airports with a diverse portfolio of products and services. Role and Responsibilities: Application Development: Design, develop, and maintain scalable web applications using the .NET framework and related technologies. Frontend & Backend Integration: Collaborate on both server-side and client-side architecture to deliver seamless … services. Cloud Services Management: Develop and deploy applications on AWS and Azure platforms, leveraging cloud services (e.g., EC2, S3, Lambda, Azure App Services) to optimize performance, scalability, and reliability. API Development: Create and integrate RESTful and SOAP APIs for internal and external consumption, ensuring smooth data interchange among multiple systems and third-party providers. Database Management: Design and … timely manner. What you need: Education: Bachelor’s degree in Computer Science, Software Engineering, or a related field. Experience: 3-5 years of professional experience in full stack web development, with a primary focus on .NET technologies. Cloud Expertise: Demonstrated experience with cloud platforms – specifically AWS and Azure – including deployment, monitoring, and management of cloud-based applications. Strong proficiency More ❯

solutions to airlines, airports and ground handlers across 3 continents and 14 countries, serving over 20 airports with a diverse portfolio of products and services. Role and Responsibilities: Application Development: Design, develop, and maintain scalable web applications using the .NET framework and related technologies. Frontend & Backend Integration: Collaborate on both server-side and client-side architecture to deliver seamless … services. Cloud Services Management: Develop and deploy applications on AWS and Azure platforms, leveraging cloud services (e.g., EC2, S3, Lambda, Azure App Services) to optimize performance, scalability, and reliability. API Development: Create and integrate RESTful and SOAP APIs for internal and external consumption, ensuring smooth data interchange among multiple systems and third-party providers. Database Management: Design and … timely manner. What you need: Education: Bachelor’s degree in Computer Science, Software Engineering, or a related field. Experience: 3-5 years of professional experience in full stack web development, with a primary focus on .NET technologies. Cloud Expertise: Demonstrated experience with cloud platforms – specifically AWS and Azure – including deployment, monitoring, and management of cloud-based applications. Strong proficiency More ❯

You'll Do: Build & Optimize Applications - Develop robust, scalable, and efficient web apps. Work Across the Stack - Frontend (React, Vue, or Angular) & Backend (Node.js, Python, Java, .NET). Database & API Development - Design and maintain SQL & NoSQL databases and RESTful APIs. Deploy & Maintain - Use Docker, Kubernetes, AWS, or Azure for scalable deployments. Collaborate - Work closely with product teams to More ❯

Depending on your level of experience, your role will range from hands-on coding to architectural design and technical leadership. Our projects involve modern software engineering practices, cloud-native development, and scalable microservices architectures. We are looking for engineers with expertise in.NET (C#), ReactJS (TypeScript), and AWS (preferred),and experience with DevOps practices, microservices architecture, containerisation, and CI/… The experience we're looking for Senior Engineers (5-7+ years experience): Expertise in designing and building scalable, cloud-native applications. Strong understanding of microservices architecture and RESTful API development. Experience with DevOps practices, including CI/CD, infrastructure as code, and cloud automation. Hands-on experience with container orchestration (Docker, Kubernetes). Ability to mentor and guide … provide a yearly BYOD allowance and phone allowance, so you can choose the tech that best suits your needs. All our permanent staff get an annual training and professional development budget for books, courses and conferences. You'll also get access to resources from a range of our partners such as AWS, Microsoft, Okta, Snowflake and Salesforce, including training More ❯

the success driving innovation and excellence in our network infrastructure. Essential Technical Skills: Front-end: Angular, TypeScript Back-end: Java, Python, Spring Boot Database: MongoDB, PL/SQL,NOSQL API Development: RESTful APIs Version Control: Git CI/CD: TeamCity Desirable Skills: Docker and Containerization Monitoring and Logging (e.g., Prometheus, Grafana, ELK Stack) Cloud Platforms (AWS, Azure, Google … Cloud) Security and Compliance API Documentation (e.g., Swagger, OpenAPI) Code Quality Tools (e.g., SonarQube) Agile Methodologies (Scrum or Kanban) Soft Skills: Team Collaboration : Ability to work effectively with cross-functional teams, sharing knowledge and expertise. Proactive Approach : Anticipate challenges, identify opportunities, and take initiative to drive progress. Ownership and Accountability : Take ownership of tasks and projects, driving them to … the larger picture. Problem-Solving and Resilience : Drive issues to resolution, navigating complexities without getting bogged down. Training CACI Network Services develops individuals through a portfolio of training and development options such as certified training courses, workshops, technical conferences, boot camps, on-line training and much more. You will have the opportunity to work on some of the most More ❯

the success driving innovation and excellence in our network infrastructure. Essential Technical Skills: Front-end: Angular, TypeScript Back-end: Java, Python, Spring Boot Database: MongoDB, PL/SQL,NOSQL API Development: RESTful APIs Version Control: Git CI/CD: TeamCity Desirable Skills: Docker and Containerization Monitoring and Logging (e.g., Prometheus, Grafana, ELK Stack) Cloud Platforms (AWS, Azure, Google … Cloud) Security and Compliance API Documentation (e.g., Swagger, OpenAPI) Code Quality Tools (e.g., SonarQube) Agile Methodologies (Scrum or Kanban) Soft Skills: Team Collaboration : Ability to work effectively with cross-functional teams, sharing knowledge and expertise. Proactive Approach : Anticipate challenges, identify opportunities, and take initiative to drive progress. Ownership and Accountability : Take ownership of tasks and projects, driving them to … the larger picture. Problem-Solving and Resilience : Drive issues to resolution, navigating complexities without getting bogged down. Training CACI Network Services develops individuals through a portfolio of training and development options such as certified training courses, workshops, technical conferences, boot camps, on-line training and much more. You will have the opportunity to work on some of the most More ❯

by building and improving highly concurrent event driven architectures, working with amazing technologists across multiple products in a mix of front and back end development. Key Responsibilities: Full Stack Development: Design, develop, and maintain both front-end and back-end components of our applications using C# for the back-end and React for the front-end. System Architecture: Contribute … in sprint planning, daily stand-ups, and retrospectives. Continuous Improvement: Stay current with emerging technologies, industry trends, and best practices in full-stack development. Required Skills and Experience: Software development, with a strong focus on both front-end and back-end technologies. Expertise in C# and .NET Core for server-side development. Strong experience with React and modern JavaScript … ES6+), including state management libraries like Redux or Context API. Proven experience with RESTful API development and integrating third-party services. Solid understanding of SQL and NoSQL databases (e.g., SQL Server, MongoDB). Familiarity with front-end build tools, version control (Git), and CI/CD pipelines. Strong understanding of responsive design principles and cross-browser compatibility. Excellent More ❯

by building and improving highly concurrent event driven architectures, working with amazing technologists across multiple products in a mix of front and back end development. Key Responsibilities: Full Stack Development: Design, develop, and maintain both front-end and back-end components of our applications using C# for the back-end and React for the front-end. System Architecture: Contribute … in sprint planning, daily stand-ups, and retrospectives. Continuous Improvement: Stay current with emerging technologies, industry trends, and best practices in full-stack development. Required Skills and Experience: Software development, with a strong focus on both front-end and back-end technologies. Expertise in C# and .NET Core for server-side development. Strong experience with React and modern JavaScript … ES6+), including state management libraries like Redux or Context API. Proven experience with RESTful API development and integrating third-party services. Solid understanding of SQL and NoSQL databases (e.g., SQL Server, MongoDB). Familiarity with front-end build tools, version control (Git), and CI/CD pipelines. Strong understanding of responsive design principles and cross-browser compatibility. Excellent More ❯

with a high level of technical expertise to join our empowered and trusted team. You’ll be working with cutting-edge technologies and driving innovation through deep architectural and development work. Our team values autonomy, flexibility, and a high bar for excellence—so we need someone who is excited about taking on challenges and pushing their technical limits. This … adapt to changing requirements, and contribute to the evolution of our entire tech stack while maintaining a high standard of code quality. What You'll Do: Technical Leadership: Drive development using C#, ASP.NET Core, TypeScript, Vue.js, and other technologies. Own architectural decisions, contribute to product innovation, and ensure the highest levels of code quality through best practices and thorough … wide, high-profile projects that have immediate business impact. Dive deep into emergency-like situations where your technical expertise is crucial for fast decision-making and delivery. Full-Stack Development: Be a key player in building both front-end and back-end systems with expertise in full-stack development, including advanced data visualization tools, AI-enhanced user experiences More ❯

You'll Do: Build & Optimize Applications - Develop robust, scalable, and efficient web apps. Work Across the Stack - Frontend (React, Vue, or Angular) & Backend (Node.js, Python, Java, .NET). Database & API Development - Design and maintain SQL & NoSQL databases and RESTful APIs. Deploy & Maintain - Use Docker, Kubernetes, AWS, or Azure for scalable deployments. Collaborate - Work closely with product teams to More ❯

of state-of-the-art data driven applications. This role requires a blend of leadership and hands-on technical expertise. The ideal candidate will be responsible for overseeing the development, deployment, and maintenance of high-performance applications tailored to meet the unique needs of our scientific user base. This includes collaborating with cross-functional teams to understand user requirements … application architectures, and ensuring the integration of cutting-edge data analytics and tools. The role demands a proactive approach to staying abreast of the latest technological advancements in application development and software engineering practices, ensuring that our applications not only meet current demands but are also forward compatible with emerging scientific and technological trends. The Staff Application Engineer and … Team Lead will also be responsible for building and leading a high-performing team of skilled engineers. This includes resource allocation, employee development, and ensuring adherence to best practices in software development lifecycle management. The role also encompasses the maintenance and support of existing applications, guaranteeing security, high availability, reliability, and optimal performance. The ideal candidate should demonstrate More ❯

About the Role: Grade Level (for internal use): 10 The Team: As a Full Stack .NET Engineer , you’ll be an integral part of our collaborative, agile development team. You will work closely with product managers, UI designers , and other engineers to bring ideas to life and deliver high-quality software. We believe in an open and inclusive environment … of the Web Application using front-end frameworks like React and Angular Develop backend components of the backend using .NET Core/ASP.NET, C# Utilize Continuous Integration and Delivery development Collaborate closely with other developers, testers, front-end designers, and product owners Assist in the migration from legacy systems to AWS (Amazon Web Services) What We’re Looking For … Framework Proficient in front-end technologies such as HTML5, CSS3, JavaScript , and frameworks like React , Angular Experience with relational databases like SQL Server and NoSQL databases Knowledge of RESTful API design and development Familiarity with cloud platforms like Azure or AWS Education & Experience: Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical More ❯

and a proven track record, who ideally has some knowledge and experience of the commodity or financial trading sectors. Key Responsibilities: * * Full stack developer with around 8-10 years development experience, working in a agile development team to deliver robust enterprise-wide solutions utilising industry standard practices * Design, develop, enhance and maintain applications using agreed coding standards and … quality targets. * Ensure quality via code reviews and thorough unit testing. * Liaise with immediate scrum team, other scrum/project teams, line manager and development lead to ensure accurate and complete delivery. * Contribute to the development and implementation of software development best practices within the organisation. * Writing clean and efficient code using relevant programming languages to implement … the designed features and functionality. * * Knowledge of oil, wet bulk or energy trading and risk management business * Software Development Methodologies: Understanding of Agile development practices and project management tools * Communication Skills: Effective communication to collaborate with stakeholders, gather requirements, and explain technical concepts * Problem-solving Skills: Ability to troubleshoot technical issues and identify creative solutions * Experience and expertise More ❯

we are seeking a Senior Software Engineer - Full Stack to work closely with the delivery teams to implement high-quality, cloud-ready solutions. This role will require hands-on development across front-end and back-end layers, API integrations, containerization, and active participation in agile ceremonies. The engineer should be comfortable working with JavaScript (Node.js, Vue.js), Python, MongoDB … or AWS cloud platforms. You will play a critical role in building feature-rich, scalable applications that support future releases and production environments. Key Accountabilities Participate in hands-on development and functional testing of features and tasks assigned to them. Deliver end-to-end feature implementation, including front-end design (VueJS or equivalent), back-end processing (NodeJS/Python … services integrated with cloud platforms and third-party systems. Work in Agile or Waterfall delivery models, contributing to sprint planning, retrospectives, and daily stand-ups. Handle both future release development and production support activities, as directed by project plans. Develop and deploy services in containerized environments (Docker) and CI/CD pipelines. Adhere to code standards, write reusable code 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 … s about bringing smart ideas to life and making a real impact. You'll be at the heart of our AI strategy - from initial concept and prompt design, through development and testing, to deployment, production, monitoring and continuous improvement optimising cutting-edge AI solutions across the business. One day you might be collaborating with our Data Scientists, Software Engineers … 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 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 … s about bringing smart ideas to life and making a real impact. You'll be at the heart of our AI strategy - from initial concept and prompt design, through development and testing, to deployment, production, monitoring and continuous improvement optimising cutting-edge AI solutions across the business. One day you might be collaborating with our Data Scientists, Software Engineers … 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 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 … s about bringing smart ideas to life and making a real impact. You’ll be at the heart of our AI strategy - from initial concept and prompt design, through development and testing, to deployment, production, monitoring and continuous improvement optimising cutting-edge AI solutions across the business. One day you might be collaborating with our Data Scientists, Software Engineers … 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 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 … s about bringing smart ideas to life and making a real impact. You’ll be at the heart of our AI strategy - from initial concept and prompt design, through development and testing, to deployment, production, monitoring and continuous improvement optimising cutting-edge AI solutions across the business. One day you might be collaborating with our Data Scientists, Software Engineers … 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 More ❯

We create with intention and deep respect by adhering to the global principles of green chemistry. We take our commitment to nature and sustainability to all stages of product development, from R&D to packaging. Ultimately, we strive to promote absolute skin health by empowering all who seek authentic, natural, and ageless beauty. We are seeking a mid-level … demonstrate a portfolio of successful solutions delivered on SAAS ecommerce platforms. Skills & Requirements: Must have: Frontend (Themes and templating) Handlebars.js (dynamic HTML rendering). jQuery and Stencil API. BigCommerce API (REST & GraphQL). Development Tools Stencil CLI, Theme Editor. E-Commerce stack Payment & Commerce Services: Stripe, Square, PayPal. Nice to have: Frontend Technologies Frontend Frameworks: Next.js, React (including … Server Components), Vue, Nuxt, Angular. Progressive Web Apps (PWA) & SPA Development: Service Workers. SEO & Performance Optimization: PageSpeed Insights, Google Search Console, Google Analytics. Node.js Frameworks: Koa, Express.js, Hapi, Meteor, LoopBack. API Development: OpenAPI (REST APIs), GraphQL, SOAP. Authentication: next-auth, Supabase, Auth0, Keycloak, AWS Cognito. Backend Services & Development: ETLs, scripting tools, command-line tool authoring. Databases More ❯

reviews Work on solutions that demand performance, resilience, and zero downtime What You'll Bring Commercial experience with Java, Spring Boot, Spring MVC , and related frameworks Understanding of REST API development , SQL/MySQL , and microservice architecture Familiarity with DevOps tools: Git, Maven, Jenkins , and containerisation (Docker/Kubernetes) Strong commitment to quality, clean code, and continuous delivery … Excellent problem-solving skills and a collaborative mindset Agile development experience in a team setting Bonus Skills (nice to have) Experience with big data tools like Hadoop, Spark, or Scala Exposure to fraud, payments , or financial services platforms Understanding of cloud-native development and container orchestration Knowledge of test-driven development and modern code quality practices What More ❯

technological landscape of GSK, focusing on the design, delivery, and support of state-of-the-art data-driven applications. This role requires leadership and hands-on technical expertise, overseeing development, deployment, and maintenance of high-performance applications tailored to our scientific users. Responsibilities include collaborating with cross-functional teams to understand requirements, designing scalable architectures, and integrating cutting-edge … data analytics. The role also involves building and leading a high-performing team of engineers, resource allocation, employee development, and ensuring best practices in software development. Additionally, it includes maintaining existing applications, ensuring security, high availability, reliability, and performance. The ideal candidate will have a strong track record in large-scale application development and system design, with excellent … stakeholders and align technology solutions with business and scientific goals. Key Responsibilities: Build and lead a team of high-performing engineers to deliver impactful solutions. Lead the architectural design, development, and maintenance of full-stack, data-driven, cloud applications for scientific use. Develop and monitor key metrics for applications and services, iterating for improvement. Operate and support applications in More ❯

by building and improving highly concurrent event driven architectures, working with amazing technologists across multiple products in a mix of front and back end development. Key Responsibilities: Full Stack Development: Design, develop, and maintain both front-end and back-end components of our applications using C# for the back-end and React for the front-end. System Architecture: Contribute … in sprint planning, daily stand-ups, and retrospectives. Continuous Improvement: Stay current with emerging technologies, industry trends, and best practices in full-stack development. Required Skills and Experience: Software development, with a strong focus on both front-end and back-end technologies. Expertise in C# and .NET Core for server-side development. Proven experience with RESTful API development … technologies. Preferred Skills: Experience with Cloud platforms (e.g., Azure, AWS). Familiarity with Docker and containerization. Experience with Microservices architecture . Knowledge of unit testing frameworks and test-driven development (TDD). Experience working in an Agile/Scrum environment Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology More ❯

React Cloud : 🌳 Amazon Web Services (AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . … API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable, efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization , and CI/CD pipelines to streamline development and deployment. Agile Collaboration More ❯