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1 senior javascript engineer jobs found

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senior javascript engineer £400 - £500 Greater London
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London  (1)
Outside Spy
Mar 04, 2026
6 Months or more
Senior Backend Engineer Node.js/TypeScript at SR2 - Socially Responsible Recruitment, London, 6 Months, £500-£525 per day
£500 - £525 per day
Outside Spy London, UK
Outside IR35 | £500-£525/day | 6 Months Remote - UK We're looking for experienced Backend Engineers to support the development and scaling of Back End platforms powering a range of digital products and internal systems. This is a hands-on contract role suited to senior engineers who enjoy technical ownership, improving system performance, and contributing to architectural decisions while remaining actively involved in delivery. The Role Develop Back End services using Node.js and TypeScript Build and enhance APIs and system integrations Improve scalability, reliability and overall platform performance Contribute to system design and technical decision-making Collaborate closely with engineering and product teams Provide technical guidance where required Technology Environment Node.js TypeScript/JavaScript APIs and microservices Cloud platforms (AWS, GCP or Azure) Distributed Back End systems Experience Required Strong commercial Back End engineering...
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