8 of 8 Contract API Development Jobs in London

Full Stack Python Developer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
frontend, database and automation, developing scalable services and user-facing applications while supporting production environments and continuous improvement. Key Skills: Advanced Python and Flask development REST API development and object-oriented programming JavaScript with React.js or Angular MongoDB and NoSQL database design Linux/Unix and Bash ...

Senior Full Stack Developer

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750/day Inside IR35
experienced Senior Full Stack Engineers to join a high-performing engineering team building and enhancing modern enterprise applications. This is a hands-on development role for engineers who enjoy working across the full technology stack, delivering scalable web applications, cloud-native services, and modern user experiences. The successful candidate … will have strong Java and Front End development experience, a passion for software engineering best practices, and experience working within Agile delivery teams. Key Responsibilities Design, develop and maintain scalable enterprise applications. Build modern Front-End applications using React (preferred) or Angular. Develop secure and performant backend services using ...

Full Stack Engineer

Hiring Organisation
Response Informatics
Location
South East London, London, United Kingdom
Employment Type
Contract
Application Development & Integration Full-stack software engineering expertise across Java, Python, .NET, JavaScript/TypeScript, Node.js, React, Angular, and modern web technologies. Deep experience in API development, Microservices, Event-Driven Architectures, Enterprise Integration, and Distributed Systems design. Cloud, Platform Engineering & Infrastructure Expertise in Azure ...

Azure Cloud FullStack

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £520/day
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 ...

Senior Platform Engineer (Cloud Media Platforms)

Hiring Organisation
PCR Recruitment Limited
Location
West London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - £470 per day + Outside IR35 (TBC)
IR35 Must have right to work in the UK and be based near London. Senior Platform Engineer (Cloud Media Platforms) providing technical design and development/implementation of systems that industrialise media workflows. Acting as the primary technical authority for Cloud NAS integration, media ingest pipelines, & automated metadata scripting. … similar workflows is required. You will need strong Cloud DevOps skill set, hands on scripting of either Python, Go, or Node.js for automation and API development, hands-on expertise with AWS (preferred) or GCP and Infrastructure as Code (Terraform) etc Senior Platform Engineer (Cloud Media Platforms) Job Description ...

Full Stack Engineer

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Application Development & Integration Full-stack software engineering expertise across Java, Python, .NET, JavaScript/TypeScript, Node.js, React, Angular, and modern web technologies. Deep experience in API development, Microservices, Event-Driven Architectures, Enterprise Integration, and Distributed Systems design. . click apply for full job details ...

Cyber AI Engineer - Remote

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day
capabilities into practical solutions for Security Operations Centres (SOCs). This is a hands-on role focused on prototyping, experimentation and proof-of-concept development - taking ideas from discovery through to working AI solutions that could genuinely augment cyber analysts and operations. You'll work closely with … experience with Generative AI and LLM technologies, ideally alongside an understanding of cyber security operations. You'll ideally bring experience across: OpenAI platform/API development LLMs and Generative AI RAG implementation Prompt engineering and optimisation AI assistants/copilots Agentic AI or multi-agent systems Python development ...

SAP Technical Architect

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £625/day
Provide technical leadership across SAP integration projects and initiatives. Design, prototype, and implement automation solutions that improve integration delivery. Identify opportunities to streamline SAP development, integration, testing, and deployment processes. Work closely with SAP delivery teams to ensure solutions are practical, scalable, and deliver measurable value. Lead technical proof … concepts and rapid innovation initiatives to evaluate new tools, technologies, and ways of working. Drive adoption of AI-assisted development, automation, and modern engineering practices. Define and measure key performance metrics to demonstrate improvements in delivery speed, quality, and efficiency. Produce technical recommendations, demonstrations, and business cases to support ...