This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack Developer (Python + React) based in Brazil. Join an exciting opportunity to help build and evolve a large-scale e-commerce platform serving millions of users. In this senior-level role, you will design, develop, and optimize distributed applications that prioritize scalability, reliability, and exceptional user experience. Working alongside experienced engineers and cross-functional teams, you will contribute to architectural decisions, modern cloud-native solutions, and high-performance web applications. This is an ideal opportunity for a developer who enjoys solving complex technical challenges, working with cutting-edge technologies, and making a direct impact on the evolution of a fast-growing digital platform—all within a fully remote and collaborative environment. ### Accountabilities: - Design, develop, and maintain scalable backend services and distributed systems using Python. - Build responsive and modern frontend features with React to deliver seamless user experiences. - Develop, integrate, and optimize REST and GraphQL APIs to support high-performance applications. - Implement microservices and event-driven architectures to improve system scalability, resilience, and efficiency. - Create and execute unit, API, regression, and performance tests to ensure software quality. - Optimize applications for reliability, fault tolerance, and low-latency performance. - Collaborate with cross-functional teams to troubleshoot production issues and continuously improve platform stability. - Contribute to technical discussions, architecture planning, and engineering best practices. ## Requirements - 5+ years of professional software development experience, including strong expertise in Python. - Proven experience building scalable distributed systems and microservices in production environments. - Hands-on experience with React and modern frontend development practices. - Strong knowledge of REST APIs, GraphQL, object-oriented programming, design patterns, algorithms, and data structures. - Experience working with cloud platforms such as AWS, Google Cloud, or Azure. - Familiarity with Linux/Unix environments and both relational and NoSQL databases, including MongoDB, Cassandra, HBase, or Redshift. - Understanding of event-driven architectures, performance optimization, and high-availability systems is considered an advantage. - Experience with CI/CD pipelines, DevOps practices, or high-traffic e-commerce platforms is a plus. - Strong analytical, problem-solving, and communication skills with the ability to work effectively in distributed teams. - Upper-Intermediate English proficiency or higher. ## Benefits - 100% remote position based in Brazil. - Opportunity to work on a large-scale platform serving millions of customers. - Exposure to modern technologies, cloud-native architectures, and distributed systems. - Collaborative environment with experienced engineering professionals and cross-functional teams. - Opportunity to influence technical decisions and system architecture. - Professional growth through challenging projects and continuous learning opportunities. - Flexible working environment that supports work-life balance. How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! [Why Apply Through Jobgether?](https://jobgether.com/how-jobgether-works) Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. #LI-CL1