Full Stack Engineer

**Full Stack Engineer** **Location:** Remote (Brazil) **Employment Type:** PJ We’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 Stacks** **Languages** * Elixir * Erlang * Ruby * JavaScript * TypeScript **Frameworks \& Libraries** * React * Next.js * GraphQL **Technologies \& Architecture** * Kafka * AWS / Lambda * Microservices * RESTful APIs * Event\-based architecture **Databases** * PostgreSQL * DynamoDB **Tools \& Practices** * Git / Version control * IDEs * Continuous integration \& deployment tools * Testing frameworks and best practices * CMS (Prismic) * A/B Testing **What You Bring** **Minimum 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.