12 of 12 Contract Node.js Jobs in London

Senior Developer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
management. Develop observable, scalable and maintainable services using logging, metrics and distributed tracing. Essential Skills & Experience: Strong backend development experience using Python, TypeScript/Node.js, Java or Go. Practical experience integrating Generative AI or LLM APIs into applications or engineering workflows. Understanding of LLM application patterns, prompt engineering, context management ...

Senior Backend Developer for Video on Demand and Live Streaming

Hiring Organisation
Develop
Location
Twickenham, London, United Kingdom
Employment Type
Contract
Experience: Senior or Lead level experience in backend development. Proficiency in GoLang (MUST-HAVE). Experience with at least one additional backend language (VCL, Node.js, Python). Strong understanding of video streaming protocols (HLS, MPEG-DASH). Experience with DRM technologies (Widevine, PlayReady, FairPlay). Expertise with CDNs (AWS CloudFront ...

Senior Test Engineer (SDET)

Hiring Organisation
NonStop Consulting
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
impact of changes on test coverage Essential skills Test tools: Cucumber, Playwright and K6 Version control: GitHub and Azure DevOps Microsoft-stack coding: C#, Node.js, JavaScript or TypeScript SQL and relational databases Testing on .NET, SQL and microservices, both on-prem and in the cloud Proven experience as an automation ...

Lead Software Engineer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day + Outside IR35
Engineer or Principal Engineer within complex delivery environments. Strong experience developingbackend services using: Kotlin Java Spring Boot Python FastAPI Frontend development experience using: TypeScript Node.js Express Experience working within cloud-native environments and modern software delivery practices. Ability to operate independently and drive outcomes without direct team oversight. Strong stakeholder ...

Lead Software Engineer (Node)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £525 per day + Inside IR-35
code quality, automated testing, and CI/CD best practices Support deployment, containerisation, and platform optimisation activities Essential Skills & Experience Strong commercial experience with Node.js API development using REST and OpenAPI Web application development using HAPI Database expertise across PostgreSQL , MongoDB , and Redis Unit testing with Jest and Lab Source ...

AWS / TypeScript Integration Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
migration, release, and cutover strategies for integration components. Ensure integration solutions align with enterprise architecture and security standards. Required Technical Skills Backend Development:TypeScript, Node.js Cloud & Infrastructure: AWS, Terraform AWS Services: API Gateway, Lambda, ECS, Kubernetes Testing: Cucumber, Mockito Experience & Attributes Strong experience delivering enterprise integration solutions. Proven solution design ...

Senior Backend Developer - Architecture, Data Modelling

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £900/day £800-900 per day via Umbrella
applications, with substantial hands-on responsibility rather than purely architectural oversight. Strong backend and database skills . Production experience with TypeScript/JavaScript and Node.js , API design, asynchronous programming, SQL and relational data modelling. Evidence of performance improvement. Practical experience profiling applications, diagnosing bottlenecks and reducing end-to-end latency ...

Senior Developer - AI Enablement

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Contract
Job Title: Senior Developer - AI Enablement (AWS Bedrock, Python/TypeScript, AI Gateway) Location: Remote (UK-based) Rate: Negotiable/Competitive (Inside IR35) Duration: 6 Months Initial Clearance: SC Clearance Required - active clearance used on ...

Senior AI Platform Engineer - MCP AWS Agentic AI

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Contract
enabling LLMs and AI agents to interact with existing APIs and backend services. Design and deliver AI-powered applications and agentic workflows using TypeScript, Node.js, Python and AWS. Establish best practices around AI integration, authentication, authorisation, security and observability. Work closely with the CTO and engineering teams to define technical … Strong commercial experience in senior backend, platform or software engineering roles, with the ability to lead technical design and delivery. Advanced TypeScript, JavaScript and Node.js experience, particularly within microservices and distributed architectures. Strong hands-on AWS experience, designing and deploying scalable, cloud-native applications. Practical experience with Model Context Protocol ...

Azure Cosmos DB Developer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Azure Cosmos DB Developer Location: London (Hybrid - 1-3 days in the office) Contract: 6 Months We are looking for an experienced Azure Cosmos DB Developer to join a major financial services technology programme. This ...

Contract Embedded Software Engineer - Linux

Hiring Organisation
Redline Group Ltd
Location
Greenwich, London, United Kingdom
Employment Type
Contract
Contract Rate
£55 - £65/hour
Put your embedded software expertise to work on systems where reliability matters. Redline are seeking an experienced Contract Embedded Software Engineer - Linux to develop mission-critical systems for a leading technology company near Greenwich. If ...

Contract Embedded Software Engineer - Linux

Hiring Organisation
Redline Group Ltd
Location
South East London, London, United Kingdom
Employment Type
Contract
Contract Rate
£55 - £65 per hour
Put your embedded software expertise to work on systems where reliability matters. Redline are seeking an experienced Contract Embedded Software Engineer - Linux to develop mission-critical systems for a leading technology company near Greenwich. If ...