Full-Stack Engineer ($100K-$250K + Equity) at $55M VC-backed AI startup

Job Title

Full-Stack Engineer (Back-End Leaning)

Salary

$100K-$250K + Equity

Company Description

$55M VC-backed AI startup transforming the $200B+ patent industry

Job Description

Join an elite engineering team to build the scalable foundations of a high-growth AI platform. You will own the backend architecture, APIs, and infrastructure powering a product used by 400+ global IP teams. This role offers the chance to ship mission‑critical features daily in a high‑intensity, talent‑dense environment with world‑class founders.

Location

London, UK

Why this role is remarkable

• Exceptional traction with 8‑figure ARR and 20‑30% month‑over‑month growth, serving global firms like DLA Piper.
• Backed by elite investors including Y Combinator, 20VC, Microsoft, Thomson Reuters, and the founders of Stripe, Perplexity, and Hugging Face.
• Work alongside an elite founding team of Cambridge, Oxford, and UCL PhDs in a flat, high‑ownership environment designed for top 0.01% talent.

What You Will Do

• Design and scale robust backend systems and PostgreSQL architectures to handle complex document processing and rapidly growing data volumes.
• Build and maintain core API infrastructure and third‑party integrations that power sophisticated AI‑driven patent drafting and litigation workflows.
• Take end‑to‑end ownership of foundational architectural decisions, moving from ideation to production deployments with rapid feedback loops.

The ideal candidate

• Expert Python developer with a strong track record of building production‑grade backend systems, APIs, and cloud infrastructure.
• Demonstrable intellectual horsepower, such as top‑tier academic performance (Cambridge/Oxford/Imperial/MIT), Math/CS Olympiad medals, or technically complex project history.
• High‑intensity builder mentality with the drive to thrive in a fast‑paced startup environment and a bias toward shipping code over research.

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