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Senior / Staff Product Engineer

owen thomas | b corp™ • United Kingdom
Visa Sponsorship Relocation
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AI Summary

We are partnering with well-funded London technology startups to attract exceptional Senior/Staff Product Engineers from across Europe. You will build and ship customer-facing products end-to-end, design scalable backend systems, and collaborate directly with founders and product teams. Ideal candidates have strong engineering fundamentals, startup experience, and production AI/LLM agentic work.

Key Highlights
Senior/Staff Product Engineer roles with well-funded London tech startups
Build and ship customer-facing products end-to-end with genuine ownership
Relocation package up to £15,000 plus family visa sponsorship
Salary: £100k–£200k base + equity

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Key Responsibilities
Build and ship customer-facing products end-to-end with measurable impact
Design scalable backend systems, APIs, databases and cloud infrastructure
Collaborate directly with founders and Product teams
Take genuine ownership of products from concept through to production
Influence technical decisions in fast-paced startup environments
Technical Skills Required
Backend Engineering LLM / Agentic AI Python / Go / TypeScript

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Benefits & Perks
Up to £15,000 relocation support
Family visa sponsorship
Equity in well-funded startups (£60m+)
Career growth to Staff, Principal and Engineering Leadership

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Nice to Have
Production experience with LLMs, AI agents or agentic AI applications
Zero-to-one product development experience
FinTech, HealthTech or AI-native startup backgrounds
Experience working in venture-backed, high-growth businesses

Job Description

The Opportunity

We're partnering with several incredibly exciting, well-funded London technology startups looking to attract exceptional Senior / Staff Product Engineers from across Europe.

These businesses are building innovative products across FinTech, HealthTech and AI-native technology, with significant investment, ambitious growth plans and high-performing engineering teams.

We're particularly interested in engineers who have worked in fast-moving, product-led startups, taken genuine ownership of products from concept through to production, and ideally have experience shipping LLM / Agentic AI features into production.

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Job Overview
Posted Nov 15, 2026
Employment Full-time
Experience Mid-Senior level
Location United Kingdom
Category Programming
Company owen thomas | b corp™
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