Senior Full Stack Engineer (Node.js / React) (Remote)

<div>We are looking for a Senior Full Stack Engineer to join a lean, product-focused team building modern web applications from the ground up. This is a hands-on role with real ownership, where you’ll work across backend and frontend, influence architecture decisions, and help shape scalable, cloud-native systems used in production.</div><div><br></div><div>Details</div><div>Location: Brazil</div><div>Employment Type: Full-time</div><div>Start Date: ASAP</div><div>Language Requirements: English B2+</div><div>Work Format: Remote</div><div><br></div><div>Key Responsibilities</div><div>Design, build, and maintain full-stack web applications using Node.js and React</div><div>Develop and consume RESTful APIs within a microservices-based architecture</div><div>Participate in system design and architecture decisions from early stages</div><div>Build new features end-to-end, from backend logic to frontend UI</div><div>Collaborate closely with product, design, and DevOps teams</div><div>Ensure code quality through reviews, testing, and best engineering practices</div><div>Deploy and maintain services in cloud environments (AWS/GCP)</div><div>Take ownership of features in production, including monitoring and support when needed</div><div><br></div><div>Requirements</div><div>4+ years of hands-on experience in full-stack web development</div><div>Strong production experience with Node.js and React</div><div>Proven experience building applications from scratch in small or mid-sized teams</div><div>Hands-on experience with microservices architecture and REST APIs</div><div>Experience working with cloud platforms (AWS preferred, GCP acceptable)</div><div>Practical experience with Git and CI/CD pipelines</div><div>Strong problem-solving skills and a clear ownership mindset</div><div>English level B2 or higher</div><div><br></div><div>Nice to Have</div><div>Experience with React Native or mobile development</div><div>Experience using TypeScript</div><div>Background in healthcare, regulated, or data-intensive products</div><div>Experience with on-call rotations or production support</div><div>&nbsp;</div>