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# Senior Full-Stack Engineer

- **Company:** Plan:it
- **Location:** Greater London, UK
- **Experience:** Expert
- **Salary:** £130,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Databases, Software Engineering, TypeScript, Google Cloud, ReactJS, Large Language Models, Multi-Agent Systems
- **Published:** September 10, 2026
- **Apply:** https://www.collegerecruiter.com/job/2847388354-senior-full-stack-engineer

## About the Role

* Early-stage or startup experience is a must!
 * Have 6+ years of professional software engineering experience - ideally with real ownership
 * Are genuinely comfortable across the full stack - UI, API, and database
 * Already use AI tooling daily - coding assistants, agents, or similar. This is a must
 * Have hands-on experience with agentic systems or LLM-powered features in production (nice to have)
 * Are high agency you find work that needs doing and do it

## Description

This is a senior full-stack engineering role for someone who thinks in systems, not just tickets. You'll build features end-to-end, maintain what you ship, and raise the quality bar across the codebase. The team is small, so you'll touch most parts of the stack most weeks - and you'll be expected to operate with minimal oversight., * Build features end-to-end

 * Spot and fix rough edges before users do
 * Build directly on top of agentic systems
 * Use AI tooling daily to plan, write, review, and ship code faster

Stack

TypeScript, React, AWS, GCP. Agentic systems and LLM-powered features already in production.


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