Senior Full Stack Software Engineer – .NET (C#) / React

Remote · Full-time

About Ubiminds

Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development teams. We connect Brazil’s top 5% talent with innovative U.S. companies through a unique combination of staff augmentation and employer-of-record services.

We are supporting a U.S.-based company looking for a Senior Full Stack Software Engineer to join a Platform product team (Lyons team), working on core systems and evolving platform capabilities.

Challenge

We’re looking for a Senior Full Stack Engineer who thrives in highly dynamic environments, where priorities evolve and ambiguity is part of the day-to-day.

This role is ideal for someone who is technically strong but also highly adaptable, proactive, and ownership-driven — someone who can move across different domains, quickly understand complex ...