26 to 50 of 149 API Development Jobs in the UK

exciting and rapidly evolving area of the business, they are looking for an Integration Developer to drive innovation and integration across their systems. Responsibilities: Design and develop scalable, efficient API features while ensuring best practices in security, architecture, and data governance. Collaborate with technical and non-technical stakeholders to align development with business and technology strategies. Participate in … code reviews and continuously identify opportunities for enhancement and innovation. Drive agile development by prioritising and refining the product backlog with key stakeholders. Establish and maintain best practices, development workflows, and team standards. Develop and maintain platform designs, process documentation, and solution overviews. Skills & Experience: Enterprise API Development - Experience building API Gateway solutions using REST More ❯

API Develoiper - SC Cleared + 6 month initial contract + Fully remote + £650 to £690 per day + Inside IR35 Key Skills: + Strong background in API Development - ideally Axway + SC Clearance + WebMethods Responsibilities Designing, developing and deploying of Axway policies and containers using Axway Policy Studio v7.7 Working with DevOps toolset for develop … and maintain Automated Testing and Code Deployment Provide Assistance to Axway support team to resolve technical issues Administrating the Axway Environment, using Axway Policy Studio, Axway API Manager, Cassandra and API Gateway for Deployment of Axway Patches, monitor capacity, providing service improvements Liaise with customers to define project requirements, document and design solutions Knowledge of: SFTP HTTPS SSL More ❯

TDD, BDD) Seek out ways to measure the impact your solutions have on the business and use them to inform future workSkills and Experience Specification Essential : Experience of application development using Python (FastAPI desirable) Relevant qualifications and experience i.e. BSc in Computer Science or Engineering, Software Development certifications, etc. Demonstrable experience in configuring and developing complex software solutions … Strong understanding of object-oriented programming and test driven development (TDD and BDD) Strong understanding of agile software engineering practices Appetite for continual experimentation & learning Desirable : Experience of AWS or Azure Hands-on knowledge of Domain Driven Design (DDD) Some experience with frontend technologies such as HTML, CSS, HTMX, React Experience of C# with .NET Web and API development Understanding of git, CI/CD and DevOps practices and experience in Observability/monitoring Any knowledge of Actuarial/Commercial Insurance Some exposure to or interest in Terraform and deployment pipelines in AWS or Azure Awareness of modern software techniques such as integration patterns, microservices, containerisationWhat We OfferThe Tokio Marine HCC Group of Companies offers a More ❯

technical ownership are valued. The role will involve building, optimising, and scaling backend systems, APIs, and services, while contributing to an agile delivery team. Key Skills Required: Strong Python development experience FastAPI MySQL Azure REST API development Microservices Agile methodologies TDD (Test-Driven Development) Desirable Skills: Ansible Docker Kubernetes Database experience across SQL, MongoDB, and Redis More ❯

Offer Fully remote within the UK Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment processes Mentor engineers and … and non-technical stakeholders to design effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and cloud adoption frameworks Proven track record in API development and modern system architectures At least 3 years' experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands-on experience with More ❯

working and mentor junior developers where appropriate. Implement security best practices across cloud environments. About You: Proven experience with at least one public cloud (AWS, Asure, or GCP) Strong API development and database experience (Postgres/Oracle + SQL). Proficiency in Java is essential, with Go, Python, or similar languages Experience with front-end frameworks (ideally Angular 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. Key Competencies & Skills: 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 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. Key Competencies & Skills: 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 More ❯

CI/CD, testing, and automation. What Were Looking For Comp Sci or STEM Degree from a Top Russell group University 3-5 years of experience in full-stack development, with a focus on Python and Django . Strong experience with React or React Native for building dynamic, responsive front-end applications. Proficiency in SQL databases (PostgreSQL/MySQL … practices and familiarity with tools such as Docker , Kubernetes , and cloud platforms ( AWS/GCP/Azure ). Knowledge of Node.js and building scalable back-end services. Experience in API development and integrating third-party APIs. Familiarity with Agile methodologies, version control (Git), and CI/CD pipelines. Bonus: Experience in the PropTech sector or working with property … Offer Competitive salary A fast-paced, collaborative, and innovative start-up environment. Flexible working hours and remote/hybrid options. Opportunity to shape the tech stack and architecture. Personal development budget and training opportunities. More ❯

Ready to lead innovative .NET development in a top UK organisation? Join a UK-leading organisation as a .NET Developer, where you'll drive technical excellence, mentor others, and help shape the future of modern software solutions If you're passionate about building high-quality software and driving continuous improvement, this is your chance to make a real impact. … What you'll bring: Strong experience in C# .NET and RESTful API development Solid understanding of the software development lifecycle Proven ability to write unit and integration tests Expertise in SQL/NoSQL databases and performance tuning Ability to lead and inspire teams, fostering a culture of innovation Bonus skills: CI/CD pipelines, frontend frameworks, containerisation … What's in it for you? Flexible working arrangements to suit your lifestyle Generous annual leave and a strong pension scheme Car Scheme A wide range of training and development programmes to help you grow professionally This is a hybrid role , offering flexibility and a competitive salary of up to £55,000 . Apply now and be part of More ❯

Ready to lead innovative .NET development in a top UK organisation? Join a UK-leading organisation as a .NET Developer, where you'll drive technical excellence, mentor others, and help shape the future of modern software solutions If you're passionate about building high-quality software and driving continuous improvement, this is your chance to make a real impact. … What you'll bring: Strong experience in C# .NET and RESTful API development Solid understanding of the software development lifecycle Proven ability to write unit and integration tests Expertise in SQL/NoSQL databases and performance tuning Ability to lead and inspire teams, fostering a culture of innovation Bonus skills: CI/CD pipelines, frontend frameworks, containerisation … What's in it for you? Flexible working arrangements to suit your lifestyle Generous annual leave and a strong pension scheme Car Scheme A wide range of training and development programmes to help you grow professionally This is a hybrid role , offering flexibility and a competitive salary of up to £55,000 . Apply now and be part of More ❯

security, performance and CI/CD processes. Responsible for documenting all solutions, produced to agreed team standards. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships both within working squad and in HL as a whole. Actively participating in working groups and communities of practice designed to support the development … defining integration patterns, abstracting vendor APIs/data models from internal downstream services etc. Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Understanding of event driven architecture. Experience performing code reviews. Experience operating within Agile framework. Aware of website performance … implications, best practices and other non-functional requirements. Able to write, assist in writing or reviewing technical documentation. Advocate of excellent development practices to optimise for rapid and continuous delivery of client value. React Native, GraphQL and DevOps experience beneficial Skills/Attributes Excellent collaborator, naturally works well with others across different disciplines in a cross functional team. Excellent More ❯

paced, collaborative environment and grow your skills. Key Responsibilities: Develop and maintain scalable applications using Python (Django). Build and integrate APIs and third-party services. Participate in Agile development cycles and CI/CD processes. Optimize applications for performance and scalability. Collaborate with cross-functional teams. Requirements: Computer Science or STEM degree from a top Russell Group University … 1st or 2:1). 5+ years of full-stack development experience (Python/Django). Strong experience with SQL databases (PostgreSQL/MySQL). Familiarity with DevOps tools (Docker, Kubernetes, AWS/GCP/Azure). Experience with API development and Git. More ❯

a sophisticated core platform built with .NET (C#) and hosted on Microsoft Azure , applying modern microservices architecture at scale. You’ll also gain exposure to Node.js and TypeScript for API development and integration work, plus Angular for front-end experiences. The environment includes modern DevOps practices with Terraform (IaC) , GitHub Actions (CI/CD) , and Kubernetes for scalability More ❯

You'll help design and implement robust, secure systems, write clean and testable code, and support key architectural decisions. You'll also collaborate with cross-functional teams, contribute to API development, and mentor junior developers. There's potential to lead a small team and take ownership of a stream of work depending on your experience and goals. Key … using Java, TypeScript, and React-so flexibility and a passion for learning are key. Benefits: Salary up to £70k depending on experience 25 days' holiday + bank holidays Personal development budget Collaborative, supportive engineering culture Modern stack with evolving tech roadmap Opportunity to lead a small development team What Happens Next? Please either apply online or email me … only. We look forward to hearing from you! Key Skills: PHP, Symfony, MySQL, REST APIs, Microservices, JavaScript, React, Java, AWS, Docker, CI/CD, Git, Secure Coding, Test-Driven Development, Distributed Systems, Infrastructure as Code (CDK/Terraform), Linux/Bash More ❯

to agile ceremonies, code reviews, and DevOps pipelines. Ensure applications meet performance, security, and compliance standards. Support deployment and maintenance of services in secure environments. Key Skills & Experience Frontend & API Development: Node.js, React, Next.js TypeScript Express.js Docker Azure Web Apps Backend Development: Azure Function Apps (Node.js, TypeScript) Elasticsearch Kubernetes (AKS) Infrastructure & DevOps: Microsoft Azure: Cosmos DB, API … . What's on Offer £70,000 - £85,000 base salary Performance-based bonus Flexible working options Secure project environments Inclusive culture with access to DEI networks and continuous development This is a unique opportunity to contribute to national security through cutting-edge software engineering. If you're passionate about solving real-world problems in secure environments and want More ❯

Essential: Backend: Python (Flask/FastAPI/Django) Cloud Systems: AWS, Azure, GCP Bonus: Frontend: React/TypeScript Are you an experienced Software Engineer with refined technical skills across API development and DevOps practices, looking for a new role in a forward-thinking, collaborative team? We are working with an organisation well known for fostering creativity, collaboration, and … to-end web platforms using Python (Django), developing RESTful APIs Collaborating within an agile, cross-disciplinary team to tackle technical and commercial challenges. Containerising applications with Docker for consistent development and release. Launching and managing applications within cloud-hosted infrastructure. Embedding testing into everyday development, with a focus on writing the right tests at the right layers. In … impact with a user-focused approach to development. Benefits: Flexible working environment Remote first/hybrid Competitive holiday & pensions Private healthcare And more! Interested and ready to take your Development career to the next level? Get in touch at (url removed) or drop me a call for a confidential chat at (phone number removed). Senior Software Engineer More ❯

Essential: Backend: Python (Flask/FastAPI/Django) Cloud Systems: AWS, Azure, GCP Bonus: Frontend: React/TypeScript Are you an experienced Software Engineer with refined technical skills across API development and DevOps practices, looking for a new role in a forward-thinking, collaborative team? We are working with an organisation well known for fostering creativity, collaboration, and … to-end web platforms using Python (Django), developing RESTful APIs Collaborating within an agile, cross-disciplinary team to tackle technical and commercial challenges. Containerising applications with Docker for consistent development and release. Launching and managing applications within cloud-hosted infrastructure. Embedding testing into everyday development, with a focus on writing the right tests at the right layers. In … impact with a user-focused approach to development. Benefits: Flexible working environment Remote first/hybrid Competitive holiday & pensions Private healthcare And more! Interested and ready to take your Development career to the next level? Get in touch at (url removed) or drop me a call for a confidential chat at (phone number removed). Senior Software Engineer More ❯

security, performance and CI/CD processes. Responsible for documenting all solutions, produced to agreed team standards. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships within the squad across Product and Engineering. Participating in working groups and communities of practice designed to support the development team. Continually develop … tools and practices (e.g. Jest, Cypress, Backstop). Enjoys learning - you prioritise growing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Experience performing code reviews. Experience operating within Agile framework. Aware of website performance implications, best practices and other … non-functional requirements. Able to assist in writing or reviewing technical documentation. Advocate of excellent development practices to optimise for rapid and continuous delivery of client value. React Native, GraphQL, DevOps and event driven architecture experience beneficial Skills/Attributes Excellent collaborator, naturally works well with others across different disciplines in a cross functional team. Excellent communicator (written and More ❯

Director of Engineering, Web Application Development page is loaded Director of Engineering, Web Application Developmentlocations: London, United Kingdomtime type: Full timeposted on: Posted Todaytime left to apply: End Date: October 16, 2025 (30+ days left to apply)job requisition id: R Role Description This is a senior leadership position in the FTSE Russell Technology team. You'll be responsible … approach in delivery. Key Responsibilities Collaborate closely with the key FTSE Russell customers and provide overall technology engineering leadership, expertise, and mentorship to lead all aspects of a software development - Requirements, Business Analysis, Architecture, Planning & Execution Through strong engagement and demonstration of E2E Index lifecycle, design most appropriate technical solutions involving user interfaces, back-end interactions and process orchestrations … Develop and implement roadmap for platforms to deliver initiatives concerning key index business functions Architect, design and coordinate the development of sophisticated front-end tools and the back-end services Lead a team of engineers that are skilled on different stacks - Angular, Java, Python and SQL. Implement multi-cloud solutions to ensure flexibility, scalability, and reliability of infrastructure across More ❯

/BDD principles Create and maintain RESTful and GraphQL APIs Collaborate with POs, BAs, and stakeholders to define solutions Mentor junior developers and promote best practices Drive improvements in development processes and tools What You Bring 5+ years of backend development experience Expertise in C#, .NET (preferably .NET 6+), and SQL Server Deep understanding of SOLID and OOP … principles Skilled in Git, Unit Testing (NUnit), and API development Familiarity with CI/CD pipelines and agile methodologies Strong communication and problem-solving skills Desire to grow within a dynamic and evolving team Why Join? This is an incredible opportunity to make your mark in a company that prioritises purpose, innovation, and professional growth. You'll be … part of a team where your ideas are welcomed, your development is encouraged, and your work truly matters. Ready to build something that helps others-and builds your career in the process? Apply today. 48954MSR1 INDMANS More ❯

excellent technical competencies with a desire to improve and mentor junior members of the team. You will take responsibility for your assigned work by taking ownership of the design, development testing and deployment of software across the team, and work closely with the Principal Engineer, Architects and Leads to ensure the successful deployment into production environments. Role Responsibilities: Be … OR Node.js (.Net 8+) in a professional environment. Worked within an Agile Cross-functional delivery team. Developing well tested software into low latency event driven production environments. Full software development lifecycle in a technical role. Pub/Sub patterns with Messaging technologies (such as RabbitMQ/SOLACE/AMQP) API Development using REST and GraphQL practices. Worked More ❯

web portals and Back End services. The ideal candidate will have strong expertise in React.js and Node.js , and a solid understanding of microservices architecture , CI/CD pipelines , and API integrations . This role requires a developer who can work across the full stack - from user interface design to Back End microservices - while ensuring reliability, scalability, and seamless user … integration and delivery. Experience using Docker for containerized application deployment and Consul for service discovery/configuration. Good understanding of Linux and Windows server administration . Proficiency in RESTful API development and integration. Solid understanding of databases (SQL and NoSQL) and data modelling principles. Strong debugging, problem-solving, and performance tuning skills. Good communication and teamwork abilities in More ❯

Augmented Generation (RAG), and agentic frameworks. Your work will directly impact customer experience, fraud detection, compliance automation, financial advisory, and operational efficiency. YOUR PROFILE Strong programming skills in Python API development (Flask, FastAPI, AWS API Gateway) via REST APIs, event driven architectur Cloud - AWS (preferred)/Google/Azure AWS Step Functions, CloudWatch, Lambda, EKS, Dynamo DB More ❯

Augmented Generation (RAG), and agentic frameworks. Your work will directly impact customer experience, fraud detection, compliance automation, financial advisory, and operational efficiency. YOUR PROFILE Strong programming skills in Python API development (Flask, FastAPI, AWS API Gateway) via REST APIs, event driven architectur Cloud - AWS (preferred)/Google/Azure AWS Step Functions, CloudWatch, Lambda, EKS, Dynamo DB More ❯