CTO // Co-Founder // Early Stage Engineer (LLMs, Go and React)

GrowthStage

Full-time Management & Operations
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Location
london, england, United-Kingdom
Posted
June 11, 2026

Job Description

We’re looking for a high-caliber engineer to join as a Founding Engineer. You should be deeply hands-on with code, technically opinionated, and capable of building production systems from scratch. This is a role for someone who enjoys execution but also has the potential (or ambition) to lead technology at a company-defining level.

What You’ll Do

  • Build and own core infrastructure and backend systems
  • Design and implement APIs, data models, and scalable services
  • Collaborate closely with founders on product direction and technical architecture
  • Ship code fast, validate assumptions, and iterate
  • Lay the groundwork for the future engineering team (tooling, processes, and architecture)

Core Technical Requirements

  • Proficient in one or more modern backend languages (e.g. Python, Go, TypeScript, Java, Rust)
  • Strong systems design skills β€” you can model real-world ...