via reed · 29 May 2026 ·7 days ago

Senior Full Stack Developer

Digital Waffle
London Full-time GBP 60,000 – 70,000
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Full Stack Engineer (Agentic AI)

Salary: up to £70,000 depending on experience

Location: Remote (UK)

Level: Mid/Senior

Our client is building something new in the UK: a VC-backed, AI-enabled roll-up of a large, fragmented services sector. They buy excellent owner-operated businesses and turn them into a modern technology-led group. Two things make it work: disciplined M&A and serious integration. The first acquisitions are in, integrations are live, and the pipeline is deep. Integration is where the value actually gets created, and this role sits right inside that engine. If you want to be inside real businesses, with real teams and real problems, fixing things with your own hands, this is for you.

You'll be a core full stack engineer building agentic products end-to-end. That means designing the agent architecture, wiring up the tool layer, building the interfaces, and owning the infra that keeps it all running. You'll work across the stack with a small, senior team where the bar is high, and the loop from idea to production is short.

The ideal candidate will have:

  • Hands-on agentic development experience at a high-performance scaleup

  • Experience operating in an environment where things move fast, decisions are made with incomplete information

  • Full stack range. You're comfortable across the layers - frontend, backend, and infra

  • Ideally from a Fintech (or similar) background

Tech stack:
  • Frontend: React

  • Backend: Python

  • Infra: AWS, Docker, Terraform

The logistics
  • Fully remote, but you must be based in UK

  • Salary up to £70,000 depending on experience

  • Mid-going-on-Senior level - typically 4-7 years of engineering experience

The market for this type of role

Similar openings
738
Software roles in London
Full-time
80%
of Software roles in the UK
Remote possible
6%
of Software roles
Digital Waffle

22 open positions · Birmingham, Cardiff, Guildford, Leicester, London +3

📊 Software · the UK
1,301
active jobs
11.6%
Remote
Ø 2d
avg. online
Top skills in demand
PythonSQLREST APIJavaScriptReactJavaAgileDockerCI/CDAzure

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