Job Title
Senior Product Engineer (AI Focus)
Salary
£170,000 - £200,000 + Equity
Company Description
Gizmo.ai - Fast-growing EdTech startup recently raised a $22M Series A
Location
London, UK
Job Description
Join the team building the 'Duolingo for Everything.' As a Senior Product Engineer, you will own the core intelligence behind a platform serving 1.5 million monthly users. Reporting to the CEO, you'll design agentic workflows and productionize AI features like automated marking and content generation to help one billion people learn.
Why this role is remarkable
Exceptional growth trajectory with 1.5M monthly active users and $5M ARR, backed by a recent $22M Series A funding round.
High-impact ownership where you will design the core AI engine that sits at the heart of the product, not just side experiments.
Work in an elite, flat 10-person engineering team in Shoreditch, collaborating directly with the founders to shape the future of education.
What you will do
Design and ship end-to-end AI-driven features using a TypeScript stack, from initial concept through to production iteration.
Build and optimize multi-step agentic prompt workflows and structured model pipelines to handle complex learning tasks at scale.
Develop internal evaluation frameworks and quality metrics to systematically measure and improve the correctness of AI-generated outputs.
The ideal candidate
8+ years of software engineering experience with deep expertise in TypeScript and building robust, user-facing production systems.
Proven track record of implementing applied AI, including agentic workflows and structured prompt engineering beyond simple API calls.
Strong analytical background with a degree in ML, AI, or a quantitative field (Maths/Physics/CS) from a top-tier university.
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