6 of 6 Contract API Development Jobs in London

seeking an experienced Java Developer Contractor to join a high-profile technology delivery programme. This is an exciting opportunity to work on the design, development, and enhancement of enterprise-scale applications within a collaborative Agile environment. The successful candidate will play a key role in delivering high-quality, scalable … secure software solutions, working closely with Architects, Business Analysts, Product Owners, QA teams, and DevOps engineers. You'll be involved throughout the full software development lifecycle, helping to translate business requirements into robust technical solutions that support critical business outcomes. The Role As a Java Developer, you will ...

large scale enterprise applications within a global financial services organisation. This is an opportunity to work on modern software engineering projects where AI assisted development is actively encouraged. You'll use tools such as GitHub Copilot, Claude or similar technologies alongside modern engineering practices to help deliver high quality … code Participate in code reviews and Agile ceremonies Troubleshoot and resolve production issues Use AI tools such as GitHub Copilot or Claude to accelerate development Contribute to continuous improvement and engineering best practice What we're looking for Strong commercial Java development experience Spring Boot and REST API ...

with JSON and JavaScript to build and consume data-driven interfaces Script and automate operational tasks using PowerShell Apply strong Azure security practices throughout development Troubleshoot issues and support ongoing improvements across the platform What you'll bring: Proven experience in API development and building integration layers … Strong Azure capability, including Azure Logic Apps Front-end development experience with React/Angular/Vue.js Back-end development experience with .NET, Node.js or Python Working knowledge of C# and JavaScript, with confidence using JSON Ability to develop with security in mind, particularly around Azure A collaborative ...

Technical Leads) Mentor developers and provide technical leadership across squads Essential Skills Strong commercial experience with Python Excellent hands-on experience with Django REST API development System design and software architecture experience Agile delivery experience Test-Driven Development (TDD) Cloud platform experience (AWS, Azure or GCP) Excellent ...

blockchain platforms such as Canton and Ethereum. Working in a cloud native environment (GCP) with a good Back End Java Back End app development and building resilient, scalable, high performing enterprise applications. Expertise in messaging and event driven architecture, API development, Microservices and performance optimisation. The roles ...

Rust at a lower level and Python, TypeScript, Java at a higher level to be able to work effectively across system and API development as well as the visualisation layer. You will also be experienced working on low latency financial systems/market data services and have built ...