Desenvolvedor Fullstack.NET React - Pleno

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Desenvolvedor Fullstack .NET React – Pleno based in Brazil. This is an opportunity for a Fullstack Developer to build and evolve scalable digital solutions in a high-impact financial technology environment. You will work across both backend and frontend layers, combining .NET and React to deliver robust, maintainable applications. The role involves designing cloud-based architectures and contributing to solutions that demand high availability and performance. You will collaborate with technical teams to solve complex challenges, estimate development efforts, and deliver projects within agreed timelines. Your work will directly contribute to reliable and efficient applications supporting sophisticated financial operations. The environment values autonomy, technical ownership, collaboration, and proactive problem-solving. It is an excellent opportunity for a mid-level professional looking to deepen their expertise in modern cloud and fullstack development. Design and contribute to software architectures for cloud-based applications. Develop and maintain fullstack solutions using C#/.NET and React , applying sound software engineering practices. Work with the technical stack adopted by the development team and contribute to architectural and implementation decisions. Estimate development efforts, define realistic implementation timelines, and manage delivery commitments. Develop robust, testable, maintainable code aligned with quality and scalability requirements. Build and evolve solutions designed to operate with high availability and high performance. Work with microservices, messaging systems, relational and non-relational databases, and cloud infrastructure. Apply object-oriented programming, dependency injection, and established design patterns. Investigate and resolve technical problems that arise throughout projects. Communicate effectively with stakeholders and technical teams, managing expectations and addressing potential conflicts. Demonstrate autonomy, urgency, and accountability when working against project deadlines. Contribute proactively to identifying alternative technical approaches and different application usage scenarios. Requirements Professional experience developing fullstack applications, with solid knowledge of C#/.NET and React . Practical knowledge of AWS Cloud and cloud-based software architectures. Experience with messaging systems, including queues and topics. Strong understanding of object-oriented programming and dependency injection. Knowledge of Design Patterns and software architecture principles. Experience working with microservices architectures. Experience with both relational and non-relational databases . Ability to write robust, testable, and validated code. Understanding of applications requiring high availability, scalability, and performance . Strong logical reasoning and analytical skills for investigating and solving technical problems. Excellent communication skills and the ability to collaborate effectively with multidisciplinary teams. Strong sense of urgency, responsibility, organization, and commitment to deadlines. Autonomy and ownership, with a proactive approach to problem-solving. Ability to manage conflicts and expectations constructively. Creativity and curiosity to anticipate different application scenarios and technical needs. Team-oriented mindset combined with the ability to take initiative and lead solutions when necessary. Benefits Remote work model. Opportunity to work on high-impact technology projects within the financial services sector. Exposure to modern cloud technologies, microservices, messaging, and fullstack development. Collaborative environment focused on technical knowledge sharing and professional growth. Opportunities to develop expertise in scalable, high-performance software solutions. Inclusive work environment that va