Senior/Lead/Staff TS Full-Stack Engineer — London (Equity)

Owen Thomas | B Corp™; Greater London; On-site; GBP 128,000 - 173,000; Full time

Job summary

YC Combinator Healthtech Start-Up is seeking Senior/Staff Full Stack Engineers to own and shape product development in a fast-moving healthcare tech environment. You will tackle complex problems end-to-end, influencing product direction with strong technical leadership.

You'll design scalable APIs, drive performance improvements, and incorporate AI into workflows while maintaining high code quality and ownership over key initiatives. London-based on-site role with significant impact.

Qualifications

• 5+ years of software engineering experience at Senior/Lead/Staff level.
• Strong full-stack skills with a backend focus.
• Experience in a startup, scale-up, or fast-moving environment.
• Product mindset with a user experience focus.
• Understanding of scalable, distributed systems.
• High standards for code quality, reliability and simplicity.
• Thrives on ownership, autonomy and solving meaningful problems.

Responsibilities

• Build and scale reliable, user-focused products.
• Design robust APIs and backend services.
• Improve performance, resilience and usability.
• Integrate modern AI into real-world workflows.
• Shape technical and product decisions.
• Solve ambiguous problems with autonomy.
• Raise the bar for engineering quality across the team.

Skills

Full-stack engineering

Backend focus

Autonomy

Ownership mindset

Distributed systems

Tools

TypeScript

Job description

YC Combinator Healthtech Start-Up is seeking Senior/Staff Full Stack Engineers to own and shape product development in a fast-moving healthcare tech environment. You will tackle complex problems end-to-end, influencing product direction with strong technical leadership.

You'll design scalable APIs, drive performance improvements, and incorporate AI into workflows while maintaining high code quality and ownership over key initiatives. London-based on-site role with significant impact.