Lead Full-Stack Engineer: React & .NET API Architect

Thrive IT Systems in Warsaw is seeking a Full Stack Lead Engineer to drive development across a React frontend and ASP.NET backend. You will design and implement RESTful APIs, manage data models, and ensure the system scales efficiently in a B2B engagement.

This role supports a 12-month contract with extension possibilities and requires strong frontend and backend expertise. The ideal candidate has hands-on experience with AKS, CI/CD, and modern web technologies, and can optimize applications