Senior Full-Stack Engineer (AI & LLM Focus)

Senior Full-Stack Engineer

Early-stage, VC-backed startups (Pre-Seed-Seed–Series A)

London / Europe (hybrid or remote)

£90k–£150k + meaningful equity

Techmunity have multiple positions for senior full-stack engineers who have shipped products & AI-powered features/systems.

These are builder roles in small, senior teams with live customers, strong technical founders, and credible backing from experienced operators (ex Palantir, Imperial College, Oxford, FAANG) and well-known investors (Balderton, Y Combinator, Outward VC, Stride VC)

Depending on the company, roles range from founding engineer positions to senior hires in fast-growing teams.

What you’ll work on

• LLM features in production (RAG, evals, document workflows, agent-style automation)
• API-first platforms and data-heavy systems that power AI products
• End-to-end delivery: architecture, build, deploy, iterate with users

Typical stack

• Python and/or Node.js (TypeScript), React
• LLM APIs, vector stores, structured + unstructured data pipelines
• AWS/GCP/Azure, Docker/K8s, Terraform

What they’re looking for

• 5+ years engineering experience
• Strong full-stack with real backend depth
• Evidence you’ve built and shipped AI-powered features
• High ownership, early-stage mindset

Salaries ranges from £90,000 to £150,000 + equity, depending on role and experience.

Hybrid or remote-first options + VISA sponsorship, depending on the company.

Interested? Apply or email reuben@techmunity.io