12 of 12 Contract API Development Jobs in England

Role: Engineering Tech Lead Node.js Architect Location: Sheffield, UK Contract (3 days a week Onsite) Job Description Experience 1015+ years of software development experience with at least 5+ years of hands-on expertise in Node.js and experience lead ing engineering teams and large-scale backend platforms. Job Summary … seeking a highly skilled Engineering Tech Lead Node.js to lead the design, development, and evolution of scalable, high-performance backend systems. The ideal candidate should possess deep technical expertise in the Node.js ecosystem, strong architectural and system design capabilities, and proven experience lead ing engineering teams through complex technical ...

Implement Infrastructure as Code using Terraform. Establish and maintain CI/CD pipelines and GitHub Actions workflows. Embed security controls and governance into the development lifecycle. Help define engineering standards, reusable patterns and best practices. Coach internal teams and contribute to the organisation's growing AI capability. Essential Skills … Experience We're looking for candidates with strong experience in: Cloud & Platform Microsoft Azure Kubernetes Terraform GitHub Actions Development Python API Development REST APIs GraphQL AI & Automation Large Language Models (LLMs) GPT, Claude and/or Gemini AI Agents Retrieval-Augmented Generation (RAG) Vector Databases LLM orchestration ...

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 ...

technical stakeholders Contribute to CI/CD and automated deployment Support production systems and continuous improvement What we're looking for Strong commercial Java development experience Spring Boot and Microservices REST API development SQL and database design Oracle experience Unix or Linux JUnit and automated testing ...

architectural decisions and balancing technical trade-offs. Essential experience: Python, React and JavaScript/TypeScript AWS cloud engineering Chat or Messaging platform integration REST API development CI/CD pipelines Observability (logs, metrics, tracing and performance monitoring) Software architecture and distributed systems/microservices AI/LLM integration ...

over the next coming weeks. We're looking for backend engineers who enjoy building scalable services, solving complex technical challenges and working with modern development practices. What we're looking for: Strong commercial experience with Go (Golang) (essential) Backend engineering and microservices RESTful API development and integration … Experience building cloud-native or distributed systems Comfortable contributing across the stack where required Experience using AI-assisted development tools (Copilot, Cursor, ChatGPT, Claude etc.) Nice to have: React experience Kubernetes, Docker or cloud platform experience (AWS, Azure or GCP) Consultancy or client-facing project experience Experience delivering large ...

critical business applications built on modern Microsoft technologies, including .NET 6 and .NET 8. The successful candidate will work within a globally distributed development team, collaborating with both technical and business stakeholders across the UK (London, Bromley, Camberley) and internationally (Singapore, India, New York, and Chicago). The role … stability, performance, and scalability. Work closely with business users, analysts, and technical teams to gather requirements and deliver solutions. Participate in the full software development lifecycle, including design, development, testing, deployment, and support. Collaborate with globally distributed development teams across multiple locations and time zones. Contribute ...

engaging directly with business stakeholders to gather and validate requirements. Strong understanding of enterprise data architecture and data modelling principles. Advanced SQL. Strong Python development experience. ETL/ELT development. Experience with Snowflake or an equivalent cloud data platform. Experience using Azure Data Factory, Precog or similar integration technologies. … API development and systems integration. Git and DevOps practices. Ability to communicate effectively with both technical and non-technical stakeholders. Desirable Skills & Experience SAP and/or SAP Ariba. Procurement, Supply Chain or Asset Management data domains. Power BI. Data Governance and Master Data Management. Experience working within ...

technical audiences Support adoption and continual improvement of automation best practices Essential Skills & Experience Strong knowledge of JavaScript (particularly for rules engine API development) Understanding of SQL for database queries Experience working with JSON data structures Rudimentary knowledge of Java , particularly for data type definitions within ODM tools ...

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 ...

than research prototypes. Experience within automotive, robotics, autonomous systems or another safety-critical engineering environment. Strong understanding of software architecture, modular library design and API development. Experience productionising complex algorithms and engineering codebases. Knowledge of localisation, odometry, sensor fusion, calibration or state estimation systems. Strong understanding of software quality ...

designing and maintaining an Integration Services Platform between our Business applications and our clients and clients supply chain systems, responsible for designing Web Based API solutions and middleware using Service Orientated Architecture with .NET to facilitate managed data flows between different organisations in a secure environment. Responsibilities Working with … Solution Technical Lead, API Developer will be directly responsible for all temporary and enduring technical documentation required to develop, test and handover APIs to BAU support; API Developer may be required to contribute toward more detailed solution designs for the wider platform. will be required to work alongside ...