Job Title
Full Stack Engineer
Salary
£55k–£95k + Equity
Company Description
Valyu is building the foundational search infrastructure for the next decade of AI agents, creating a specialized knowledge layer designed for deep research and reasoning. Based in London, Valyu combines first-principles research with high‑scale engineering to transform how LLMs access and process complex information across thousands of sources.
Job Description
Valyu is seeking a Junior to Mid‑level Full Stack Engineer to build the agentic knowledge layer for AI. You will own product surfaces end‑to‑end, from customer dashboards to internal tools, using a modern stack including Next.js and Supabase. You’ll integrate LLM‑driven workflows and create AI‑native interfaces that define how agents interact with structured knowledge.
Location
London, UK
Why this role is remarkable
- Build the core primitive for the agentic era, creating the specialized search infrastructure that high‑performance AI systems require to function.
- Join a high‑velocity team where “cracked” engineers are the standard, working at the intersection of first‑principles ML research and hard software engineering.
- Gain significant ownership and equity in a London‑based startup tackling one of the most foundational questions in the future of software development.
What You Will Do
- Ship end‑to‑end product surfaces using Next.js, Supabase, and Vercel, maintaining a high bar for design quality and user experience.
- Build and iterate on AI‑native interfaces and infrastructure for tool calls, agent runtimes, and deep research workflows.
- Work directly with customers in forward‑deployed settings to translate complex technical needs into magical, functional product features.
The ideal candidate
- Has 1‑3 years of experience shipping real‑world products with a strong mastery of TypeScript, React, and full‑stack data modeling.
- Demonstrates exceptional product instinct and design taste, caring deeply about the “feel” and UX of the tools they build.
- Is relentlessly resourceful and proficient with AI engineering tools like Claude Code to multiply output and master new skills rapidly.
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