Senior Software Engineer
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Job Summary
Senior Full-Stack Software Engineer
London (Victoria) 3 days in officePermanent
Our client is a newly launched VC-backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a track record of building and scaling high-growth category-leading consumer businesses they are using AI and automation to fundamentally reimagine how services in their space are delivered.
The opportunity
This is a rare greenfield engineering role at a genuinely early-stage business. The successful candidate will join a small senior founding team and take real ownership of the technical foundation from day one building the stack setting the architecture and establishing the patterns that everything else will be built upon.
The role spans customer-facing product backend automation AI agent orchestration and internal tooling with significant scope to grow as the business scales.
What youll be doing
- Building the customer-facing platform from the ground up timelines task-based views and embedded AI assistance
- Owning backend automation workflows AI agent orchestration and data pipelines
- Building internal tooling to support the team in reviewing and approving AI-generated work
- Setting engineering patterns and architecture that future hires will build on
What were looking for
- 5 years building modern web applications with a strong backend emphasis
- Strong command of React/ and Python/TypeScript
- Experience with AI agent orchestration frameworks (e.g. LangGraph OpenAI Agent SDK)
- The architectural judgment to make confident decisions on a fast-moving greenfield stack
- A background in high-growth VC-backed startups you thrive in fast dynamic environments
- London-based with existing right to work in the UK (visa sponsorship not available)
Why this role
- A true ground-floor opportunity at a well-funded early-stage business disrupting a traditional sector
- Founding team with a proven track record previously built one of the UKs fastest growing consumer brands
- Backed by respected VC funds with a recent funding round closed
- Real ownership and influence over product and architecture from day one
- Work at the cutting edge of AI and automation in a sector ripe for disruption
