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    5 development jobs found in London, London

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      • city of london, london
      • contract
      • £349 - £465 per day, Negotiable
      Senior KDB+/q Developer London (Hybrid, 3 days on-site) Contract: 3 Months (Inside IR 35) We are seeking an experienced KDB+/q Developer to join a global financial institution's London trading technology division. You will play a crucial role in building, optimizing, and maintaining high-performance, real-time time-series streaming data platforms capturing tick data, market data, and algorithmic execution feeds across global markets.Core Requirements & Res
      Senior KDB+/q Developer London (Hybrid, 3 days on-site) Contract: 3 Months (Inside IR 35) We are seeking an experienced KDB+/q Developer to join a global financial institution's London trading technology division. You will play a crucial role in building, optimizing, and maintaining high-performance, real-time time-series streaming data platforms capturing tick data, market data, and algorithmic execution feeds across global markets.Core Requirements & Res
      • london, london
      • contract
      • £350 - £388 per day
      Job OverviewRole: AI Full Stack Engineer (AI & ML Engineer)Location: Fenchurch Street, LondonDuration: Oct 12, 2026 - Dec 15, 2026 (9 Weeks, 2 Days)Hours: 40 hours/weekRate: 291 PAYE / 388 UmbrellaCore Technical StackProgramming & APIs: Python, RESTful API development, JSON Schema, Pydantic.AI & LLMs: Gemini, OpenAI, Claude.Frameworks & Orchestration: Google ADK, LangChain, LangGraph.Data & Search: AWS OpenSearch (Indexing and Vector embeddings - Highly em
      Job OverviewRole: AI Full Stack Engineer (AI & ML Engineer)Location: Fenchurch Street, LondonDuration: Oct 12, 2026 - Dec 15, 2026 (9 Weeks, 2 Days)Hours: 40 hours/weekRate: 291 PAYE / 388 UmbrellaCore Technical StackProgramming & APIs: Python, RESTful API development, JSON Schema, Pydantic.AI & LLMs: Gemini, OpenAI, Claude.Frameworks & Orchestration: Google ADK, LangChain, LangGraph.Data & Search: AWS OpenSearch (Indexing and Vector embeddings - Highly em
      • city of london, london
      • permanent
      • £65,000 - £70,000 per year, Negotiable
      Java Full Stack Developer (Angular & Spring Boot)Location: London, UK (Hybrid - 3 days in office, 2 days WFH)Employment Type: Full-Time, Permanent (FTE)Experience Required: 5-6 yearsNOTE: No sponsorship provided The RoleWe are seeking a motivated Java Full Stack Developer to design, build, and maintain scalable enterprise web applications. You will work across both frontend and backend architectures, delivering high-performance RESTful microservices and us
      Java Full Stack Developer (Angular & Spring Boot)Location: London, UK (Hybrid - 3 days in office, 2 days WFH)Employment Type: Full-Time, Permanent (FTE)Experience Required: 5-6 yearsNOTE: No sponsorship provided The RoleWe are seeking a motivated Java Full Stack Developer to design, build, and maintain scalable enterprise web applications. You will work across both frontend and backend architectures, delivering high-performance RESTful microservices and us
      • london, london
      • contract
      • £650 - £700 per day
      Senior Platform / Automation Engineer (Developer Background) (DV CLEARANCE)Location: London, Manchester, Ipswich, and Cheltenham.Role Type: 6 Months Contract and Hybrid role.About the Role We are seeking a Senior Platform & Automation Engineer who combines strong software engineering fundamentals with deep infrastructure-as-code (IaC) expertise. You will own and evolve our core infrastructure, driving automation across our entire technical stack-all delive
      Senior Platform / Automation Engineer (Developer Background) (DV CLEARANCE)Location: London, Manchester, Ipswich, and Cheltenham.Role Type: 6 Months Contract and Hybrid role.About the Role We are seeking a Senior Platform & Automation Engineer who combines strong software engineering fundamentals with deep infrastructure-as-code (IaC) expertise. You will own and evolve our core infrastructure, driving automation across our entire technical stack-all delive
      • london, london
      • permanent
      • £65 - £70 per year
      Job Title: Fullstack Software Engineer (Rust / Ruby / Python)Location: London, UK (Hybrid)Job Type: Full-timeWhat We're Looking ForExperience: 4+ years of professional software development experience in a fullstack or backend-heavy role.Polyglot Proficiency:Strong commercial experience with Ruby (preferably Ruby on Rails) for web application development.Solid proficiency in Python (Django, FastAPI, or similar) with an understanding of data processing.Produ
      Job Title: Fullstack Software Engineer (Rust / Ruby / Python)Location: London, UK (Hybrid)Job Type: Full-timeWhat We're Looking ForExperience: 4+ years of professional software development experience in a fullstack or backend-heavy role.Polyglot Proficiency:Strong commercial experience with Ruby (preferably Ruby on Rails) for web application development.Solid proficiency in Python (Django, FastAPI, or similar) with an understanding of data processing.Produ

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