Develop and maintain web applications using C#, .NET Core and .NET Framework (MVC) Implement responsive and dynamic user interfaces with React Work on mobile development with React Native Design, implement and optimize SQL Server, Postgres and NoSQL databases Collaborate with product, design and development teams to build scalable solutions Participate in code reviews, testing and deployments Ensure application security, performance and scalability Stay up-to-date with emerging technologies and industry best practices Required Qualifications Solid experience with C# and .NET (Core and Framework) – MVC Strong frontend knowledge with React Proficiency in SQL Server and Postgres (including Stored Procedures) Experience with NoSQL Fluency in data modeling Clean, efficient and well-documented code Experience with Git Collaboration in cross-functional teams Bachelor’s degree in Computer Science, Software Engineering or related field (or equivalent experience) Preferred Qualifications Experience with Scrum/Kanban Knowledge of DevOps and CI/CD Practices of Automated Testing and TDD Job Type: Freelance / PJ Compensation: R$3.942,54 – R$9.244,56 per month Work Location: Remote/hybrid for João Pessoa, PB