Cavendish Professionals
Founding Engineer
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Founding Engineer
We’re partnering with an early-stage technology company building a highly ambitious platform at the intersection of AI, data and healthcare.
They’re looking for a Founding Engineer to join a small, highly technical team and play a major role in shaping the product, architecture and engineering culture from an early stage.
This is a genuinely hands-on, 0→1 engineering role with significant ownership and the opportunity to work on technically challenging problems involving large-scale data processing, LLMs and high-performance backend systems.
What you’ll be working on
- Building large-scale data pipelines using Python and LLM-powered extraction
- Designing and scaling APIs and MCP-based infrastructure for high-volume workloads
- Turning complex, unstructured information into structured, computable data
- Building reliable backend systems designed for low-latency, large-scale usage
- Owning projects end-to-end, from identifying problems through to production
- Experimenting with AI agents, coding tools and emerging AI engineering workflows
- Helping shape technical decisions and engineering practices as an early team member
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What we’re looking for
- 2–6 years’ commercial experience in Backend Engineering, Software Engineering or Data Engineering
- Strong Python development experience
- Experience building and shipping production systems
- Strong computer science and engineering fundamentals
- Degree in Computer Science, Engineering, Mathematics or a closely related technical discipline
- Experience with Rust, C or C++ would be a strong plus
- Comfortable working in a fast-moving, high-ownership startup environment
- Interested in AI/LLMs and modern engineering tooling
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📍 London – 5 days per week on-site
💼 Permanent
Candidates must already have UK working rights or an existing transferable visa. The company cannot provide new visa sponsorship.
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