Senior Fullstack Product Engineer
At a glance
Senior Full-stack Engineering role at Foundation Partners. £120,000–£150,000 base.
techroles summary, based on the employer's posting.
What you'll do
- Build the scientist-facing product from interface through production
- Show provenance, citations and confidence so scientists can inspect the basis for answers
- Shape shared components and frontend architecture to help a small team deliver polished software quickly
- Turn input from founders, customers and domain experts into working product
What you bring
- At least four years of engineering experience, with deep React and TypeScript skills
- You bring full-stack experience, including backend work with Python or Java
- You have shipped product experiences people rely on and can show strong judgment on interaction, performance and polish
- Your experience comes from FAANG, a leading AI lab, or a startup or scale-up with a strong product engineering team
Who this fits
This is a senior, high-ownership product engineering role, with most work in the frontend and API layers and room to go deeper when needed. You’ll work in a fast-moving setting with founders, customers and domain experts. The role is hybrid in London, with two to three onsite days each week.
From the employer
Our client is a well-funded stealth startup within the Life Science are and are building the groundbreaking AI operating system for drug discovery software.
They’re hiring a Senior Product Engineer to own the interfaces where scientists interact with the platform. The stack is React and TypeScript on the front end, with Java and Python services behind it. You’ll live mostly in the frontend and API layers, with the range to go deeper when the product demands it.
Salary: £120,000-£150,000 + equity
Location: London - Hybrid 2-3 days a week onsite
What you’ll own
• The product surfaces where scientists interact with the platform, end-to-end through to production
• Trust surfaces (provenance, citations, confidence) rendered so a scientist can check the work behind any answer
• The component systems and frontend architecture that let a small team ship polished product quickly
• Close work with founders, customers, and domain experts, turning ambiguity into shipped product
What they’re looking for
• 4+ years of engineering experience, with deep React/TypeScript expertise and solid full-stack range with experience with Python/Java on the backend.
• You’ve shipped product experiences people rely on, and you can point to them and a strong product taste .... you sweat interaction details, performance, and polish
• A background that held a high bar: FAANG, a top AI lab, or a startup/scale-up with a great product engineering function
• Nice to have: genuine curiosity about building with AI, or experience shipping AI-powered features
This is a high-ownership role at a company of roughly a dozen people and it is fast-moving, direct, and high-stakes, with responsibility that will outrun your title.
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Full-stack Engineering£120k+
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