Senior Full-Stack Engineer (AI & LLM Focus)

Techmunity United Kingdom
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AI Summary

Join Techmunity as a Senior Full-Stack Engineer to develop AI-powered features and systems in early-stage, VC-backed startups. Work on LLM features, API-first platforms, and data-heavy systems. Hybrid or remote options available.

Key Highlights
Develop LLM features in production
Build and ship AI-powered features
End-to-end delivery: architecture, build, deploy, iterate
Technical Skills Required
Python Node.js TypeScript React LLM APIs Vector Stores AWS GCP Azure Docker Kubernetes Terraform
Benefits & Perks
Salary: £90,000 - £150,000 + equity
Hybrid or remote-first options
VISA sponsorship

Job Description


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


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