Senior Fullstack Engineer (.NET/C#, React.js or Angular)
Winnin
Full-time
Desenvolvimento de software
Location
florianópolis, santa catarina, Brazil
Posted
May 23, 2026
Job Description
The Software Engineer is responsible for designing, developing, and optimizing scalable and maintainable software solutions. This role requires hands‑on development, problem‑solving skills, and a strong understanding of modern software engineering principles. Software Engineers contribute to full‑stack development, working with .NET (C#), React.js or Angular, SQL Server, and Azure. They collaborate with Senior and Staff Engineers, Test Automation Engineers, and UX/UI Designers to build high‑quality applications while continuously learning and improving technical expertise.
Key Responsibilities
- Develop and maintain backend and frontend components using .NET (C#), React.js, and SQL Server.
- Optimize application performance, ensuring scalable and efficient database interactions.
- Implement secure and maintainable APIs, following best practices for authentication and data protection.
- Collaborate with team leads, architects, and engi...