Desenvolvedor(a) Full Stack - SR

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Desenvolvedor(a) Full Stack - SR based in Brazil. The Senior Full Stack Developer will contribute to the development and continuous improvement of a data reconciliation platform, focusing on performance, scalability, reliability, and user experience. This role combines backend engineering, large-scale data processing, database optimization, and frontend development to deliver efficient and robust software solutions. You will work primarily with Python, FastAPI, PostgreSQL, and AWS services to enhance ETL pipelines, optimize data storage and retrieval, and support integrations across the platform. The position also involves improving how large datasets are filtered, paginated, sorted, and exported, ensuring responsive and reliable application behavior. Experience with modern data processing technologies, cloud infrastructure, and artificial intelligence will help drive technical innovation. This fully remote opportunity is suited to a senior developer who enjoys solving complex engineering challenges and building scalable, high-performance data products.