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# Senior Full Stack Developer

- **Company:** Avanti Recruitment
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £104,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Application Performance Management, Business Software, Databases, Data Synchronization, Database Design, PostgreSQL, Software Architecture, Query Optimization, Release Management, Systems Integration, TypeScript, Real Time Systems, ReactJS, Backend, Webpack, Api Management
- **Published:** September 8, 2026
- **Apply:** https://www.reed.co.uk/jobs/senior-full-stack-developer/57318237

## About the Role

* Strong React and TypeScript experience
 * Excellent hands-on Supabase and PostgreSQL knowledge
 * Strong database design, data modelling and query optimisation skills
 * Experience building complex, data-heavy business applications
 * Strong API and third-party systems integration experience
 * A senior engineer comfortable making architectural decisions and working autonomously

Experience with ERP, CRM, finance or field-service platforms, offline applications, data synchronisation or real-time systems would be beneficial.

## Description

We're looking for an experienced Senior Full Stack Developer to join a small development team building and maintaining a complex, business-critical internal platform.

This is a hands-on senior role with genuine technical ownership. You'll take requirements from the business, design the technical solution and own features end-to-end, from the PostgreSQL data model and backend logic through to the React interface and production release.

You'll work primarily with React, TypeScript, Vite, Supabase and PostgreSQL, with responsibility for database architecture, Supabase RLS and Edge Functions, API integrations, testing, security and application performance.


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