NET Fullstack Developer

Avanti is working with an exciting early-stage fintech startup based in London that is about to launch its first product in the embedded finance space. Their platform helps businesses unlock working capital through intelligent, AI-driven invoice financing solutions, integrated directly into existing financial workflows. With launch just around the corner, they are now looking for a Mid-Level Fullstack Developer to join their growing team. THE ROLE This is not a typical developer role. You’ll be working across both technology and business operations, giving you a unique opportunity to understand how a fintech company is built from the ground up. You’ll be responsible for: * Building and maintaining fullstack applications * Developing APIs and working with databases * Contributing to frontend and backend development * Supporting AI-driven features and data workflows * Debugging, testing, and improving system performance * Working closely with the business to help automate operational processes TECH STACK * .NET (backend) * React (frontend) * MySQL * AWS * Python (AI and data models) Experience Required * Around 2+ years of experience in software development * Experience across frontend and backend development (.NET / React) – Angular / Vue is fine * Good understanding of software engineering fundamentals * Interested in working in a startup / Have startup experience * AWS exposure (similar cloud is fine) * Interested in AI Why Join? * Join a startup at launch stage * Work on AI-driven fintech products * Gain exposure beyond coding into real business operations * Fast-track your development with hands-on experience * High visibility and real impact from day one Salary is up to £50,000 and you will be required on-site 4 days per week in Central London. If interested then click Apply Now