Senior Engineer at Zuba

Company: Jack and Jill AI
Apply for the Senior Engineer at Zuba
Location: London
Job Description:

AI Engineer

Salary: $100K – $250K + Equity

Company: Solve Intelligence – Series B AI startup backed by Microsoft and YC

Location: London, UK

Join the leanest, most talent-dense engineering team in London to revolutionize intellectual property. As an AI Engineer, you will develop proprietary algorithms that push the boundaries of LLM-generated patents. You will lead the creation of state-of-the-art evaluation pipelines and ship production-ready solutions at lightning speed for a platform seeing 30% monthly growth.

Why this role is remarkable

  • Work with a world‑class founding team of PhDs from Cambridge and UCL with successful exits to Blockchain.com and BioNTech.
  • Join a rocket ship with $55M in backing from Tier‑1 investors like YC, Microsoft, and the founders of Stripe, Perplexity, and Hugging Face.
  • Experience true ownership with significant equity in a company already generating 8 figures of ARR and serving 400+ global IP teams.

What you will do

  • Research and implement proprietary LLM algorithms and state-of-the‑art prompting methods to maximize patent generation quality.
  • Build and lead the development of a robust, automated evaluation pipeline to benchmark performance on massive datasets.
  • Collaborate directly with the CRO to transition cutting‑edge R&D into production‑ready features used by global law firms.

The ideal candidate

  • Possesses expert-level Python skills and extensive industry experience shipping machine‑learning algorithms into production environments.
  • Demonstrates deep technical knowledge of LLMs, prompt engineering, and modern evaluation frameworks such as OpenAI evals.
  • Brings a full‑stack mindset with familiarity in PostgreSQL and React to maintain high shipping velocity in a fast‑paced environment.

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Posted: April 17th, 2026