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Senior Full Stack Developer

Avanti RecruitmentFarringdon, Central London🇬🇧United KingdomPosted 23 Sept 2026

Why This Role Stands Out

This hybrid Senior Full Stack Developer role offers exciting opportunities to shape cutting-edge web applications using AI-assisted development, perfect for experienced React, TypeScript, and Node.js professionals who thrive in fast-paced, collaborative environments. You'll take ownership of features from concept to production, leveraging your product-focused mindset and problem-solving skills. Apply today to join a growing technology business and drive innovation.

Quick Overview

Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
On Site
Location
Farringdon, Central London, United Kingdom
Posted
Yesterday
SupabasePostgreSQLReactTypeScriptVite

Job Description

Senior Full Stack Developer Location: London<br />Contract: Contract<br />Working Pattern: Office-based 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. What We’re Looking For

  • 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. If you are currently looking for your next contract assignment, then please apply online today

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