Full Stack EngineerLocation: Remote (Brazil)Employment Type: PJWe’re looking for Full Stack Engineer to join our Seller team — a group of passionate, collaborative developers building seamless on-platform experiences that help us acquire and activate high-value customers. You’ll work closely with Product, Marketing, and Engineering teams to deliver elegant, scalable solutions that drive engagement and business growth.What You’ll Do- Produce high-quality, performant, and testable code that drives company-wide initiatives.- Lead the product development process — from ideation and prototyping to implementation and release.- Architect and build scalable systems supporting millions of users.- Contribute to design and architectural decisions shaping the future of our software systems.- Rapidly prototype and run A/B tests to validate and optimize user experiences.- Mentor teammates, conduct code reviews, and pair-program to support shared learning.- Collaborate closely with Product and Engineering Management to align technical solutions with business goals.Tech StacksLanguages- Elixir- Erlang- Ruby- JavaScript- TypeScriptFrameworks & Libraries- React- Next.Js- GraphQLTechnologies & Architecture- Kafka- AWS / Lambda- Microservices- RESTful APIs- Event-based architectureDatabases- PostgreSQL- DynamoDBTools & Practices- Git / Version control- IDEs- Continuous integration & deployment tools- Testing frameworks and best practices- CMS (Prismic)- A/B TestingWhat You BringMinimum Requirements- 7+ years of web application development experience with a proven track record of shipping successful products.- Strong background in writing reliable, maintainable code and building reusable component libraries.- Proficiency in at least one of the core languages or frameworks listed above.- Passion for testing, code quality, and continuous improvement.- Familiarity with RESTful APIs, Git, TypeScript, and remote deployment tools.- Experience with event-based architectures, GraphQL, and database fundamentals.- Excellent communication and cross-functional collaboration skills.- Curiosity about retail/e-commerce and enthusiasm for sustainability and circular economies.Preferred Requirements- Experience with React, HTML/CSS, and JavaScript.- Background in GraphQL and microservices architecture.- Experience developing eCommerce platforms or working with CMS tools (especially Prismic).- Familiarity with mobile development (iOS and/or Android) is a plus.