https://jobs.co.uk/job/net-dev-start-up-avanti--2da81e45-d616-4c9f-8838-f3334bdbbf5b RSS feed for .NET Dev (Start-up) at Avanti. en-gb Tue, 28 Apr 2026 06:00:56 GMT https://jobs.co.uk/job/net-dev-start-up-avanti--2da81e45-d616-4c9f-8838-f3334bdbbf5b https://jobs.co.uk/job/net-dev-start-up-avanti--2da81e45-d616-4c9f-8838-f3334bdbbf5b Mon, 27 Apr 2026 11:56:44 GMT Location: London | Salary: 45000.00-45000.00 Annual | Type: Permanent | Avanti is working with an exciting early-stage 5-person 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 their launch just around the corner, they are now looking for a Mid-Level FullStack Developer to join their growing team. THE ROLEThis 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. Around 70-80% of your time will be focused on development, with the other 20-30% focused on working closely with the COO to understand the operational side of the business. 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 (bac... Permanent