9 months ago
London, United KingdomMid Level / Senior
Responsibilities
- Act as a full-stack engineer: design, build, and ship features across frontend, backend, and infrastructure.
- Leverage AI models to accelerate development while maintaining best-in-class reliability, testing, and code quality.
- Build and maintain inference pipelines, embeddings, retrieval, and orchestration systems.
- Integrate tool-calling and MCP (Model Context Protocol) patterns into product features.
- Ship and maintain open-source or internal TypeScript/Python packages.
- Work with AWS and/or Cloudflare to deliver scalable, secure, low-latency systems.
- Collaborate with product and design to deliver features end-to-end.
Requirements
- Proven experience as a full-stack engineer.
- Expertise in TypeScript and/or Python.
- Strong background in building on AWS and/or GCP and/or Cloudflare.
- Experience building and shipping TypeScript/Python packages.
- Familiarity with tool-calling, agent frameworks, and MCP.
- Track record of shipping production systems with high code quality and reliability.
- Curiosity to push the boundaries of what AI-powered development can deliver.
- Past experience with Generative AI/LLMs and related technologies/frameworks.
- Desire to work in a fast-paced startup, taking ownership of projects end-to-end.
Benefits
- Meaningful share options (EMI) - share in the company's success as we grow.
- 25 days holiday + 1 additional day per year of tenure.
- Private health insurance - including dental & optical.
- £15/day lunch budget when working from our London office, up to £120/month.
- £1,000 for your home office set up + £500/year top-up.
- Annual team offsite to sunny spots (last ones were in Spain and Portugal).
- Join one of Europe’s fastest-growing startups.
- Work with a veteran team of ex-employees of Google, Microsoft, Oracle, Coinbase, JP Morgan and more.
- Health, fitness and gift card discounts.
- Cycle2Work and Electric Cars scheme.
- Hybrid working friendly - typically 2 days/week in our London office.