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4 senior software engineer jobs found

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senior software engineer £500 - £600 Greater London
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London  (1)
Outside Spy
Sep 29, 2026
Duration not stated
Senior Software Engineer (Node & TypeScript) at IO Associates, London, £530-£570 per day
£530 - £570 per day
Outside Spy London, UK
Software Engineer - Node & Typescript 12 month contract, Outside IR35 Remote £530 - £570 per day We're working with a FinTech company who are looking for 6 capable, self-driven Senior Software Engineer to help build and evolve their products Their technology already powers some of the UK's most ambitious fintechs, banks, financial advisers and wealth firms, with close to a million investors relying on their platforms. In this role you will design, build and operate reliable and scalable, testable and maintainable software solutions, building new functionalities and products using Typescript and Node.js. As this is a senior level role you will be expected operate confidently with clients and senior stakeholders What we're looking for Strong commercial experience with Node.js, specifically TypeScript Experience with Amazon Web Services Experience with Serverless products Experience with document databases, ideally MongoDB Experience mentoring engineers...
Outside Spy
Sep 25, 2026
Duration not stated
Python/React Developer at TechShack, Greater London, £550-£650 per day
£550 - £650 per day
Outside Spy Greater London, UK
Senior Product Engineer - Python/React | £650/day Outside IR35 Up to £650/day | Outside IR35 | 6 months | Shoreditch, London I'm working with an exciting early-stage HealthTech business that is building a highly ambitious consumer healthcare product from the ground up. They have an exceptionally experienced founding team with a strong track record of building, scaling and exiting successful technology businesses , and are now growing the engineering team at a key stage of the company's journey. They're looking for an experienced Product Engineer who wants genuine ownership - working closely with the founders and engineering team to take problems from initial idea through to production and customer feedback. This isn't a ticket-driven engineering role. They need someone who enjoys building, shipping and making product decisions . Key experience: Excellent Python engineering skills Async systems/data processing React and comfortable working across the full stack...
Outside Spy
Sep 25, 2026
6 Months or more
Agentic Forward Deployed Engineer at Salt, East London, 6 to 12 Months, to £600 per day
£500 - £600 per day
Outside Spy East London, UK
Agentic Forward Deployed Engineer Rate: £600 per day - Outside IR35 Contract: 6-12 months Working Pattern: Hybrid - 3 days per week on-site Industry: Public Sector - International Education We are recruiting a Principal-level Agentic Forward Deployed Engineer to support a major AI-enabled digital transformation programme within a large international organisation. The organisation is adopting an agentic-first approach to software engineering and wants to move from individual experimentation towards a scalable, secure and maintainable enterprise model for AI-assisted development. Experienced engineering teams are already exploring agentic development. This role will establish what good looks like across the wider organisation, introducing the engineering standards, governance, security controls, evaluation frameworks, operating models and knowledge-sharing practices required to deploy agentic AI at scale. This is not a purely strategic or governance-focused role....
Outside Spy
Sep 25, 2026
Duration not stated
Agentic Forward Deployed Engineer at Salt Search, East London, £600 per day
£600 per day
Outside Spy East London, UK
Agentic Forward Deployed Engineer Rate: £600 per day - Outside IR35 Contract: 6-12 months Working Pattern: Hybrid - 3 days per week on-site Industry: Public Sector - International Education We are recruiting a Principal-level Agentic Forward Deployed Engineer to support a major AI-enabled digital transformation programme within a large international organisation. The organisation is adopting an agentic-first approach to software engineering and wants to move from individual experimentation towards a scalable, secure and maintainable enterprise model for AI-assisted development. Experienced engineering teams are already exploring agentic development. This role will establish what good looks like across the wider organisation, introducing the engineering standards, governance, security controls, evaluation frameworks, operating models and knowledge-sharing practices required to deploy agentic AI at scale. This is not a purely strategic or...
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