• Design, build, and maintain backend services using Go (Golang). • Develop efficient, reliable, and high-performance solutions that meet product and business requirements. • Work with relational database schemas and optimize queries using PostgreSQL. • Collaborate with cross-functional teams to architect scalable, maintainable systems. • Write clean, maintainable, and well-documented code. • Troubleshoot, debug, and improve application performance. • Contribute innovative ideas, improvements, and best-practice solutions to the team. • Participate in code reviews and mentor junior developers as needed.

• As a developer on Grupo Boticário's payments gateway team, your main responsibilities will be: • Develop solutions for complex problems that require regular creativity and innovative approaches to address failures; • Write and test code incrementally, in an agile manner, and with thorough documentation; • Perform high-quality code reviews and support colleagues with difficult design decisions; • Test, deploy, and monitor your code in production — continuously; • Collaborate with peers across teams to evolve our ecosystem; • Work on strategic projects for Grupo Boticário; • Maintain our payments platform by identifying issues, root causes, and their impacts; • Contribute, together with the team, to the evolution and decision-making about the future of our payments platform.

• Architect Core Infrastructure: Design, build, and maintain highly secure, resilient backend services in Java/Spring Boot that interface with payment processors and local financial networks across Latin America. • Optimize Data & Performance: Ensure high-availability and asynchronous processing of transaction financial data, keeping system latency low and success rates high. • Bridge to the Frontend: Develop and maintain the React-based frontend applications, dashboards, and internal tooling that interact with your backend services, ensuring deep integration and clean API consumption. • Leverage AI: Use AI tools to automate repetitive engineering workflows, accelerate delivery, and close skill gaps — from scaffolding new banking integrations to generating and reviewing code. • Lead & Mentor: Set the technical bar through backend code reviews, robust system design reviews, and hands-on mentorship of junior and mid-level engineers. • Own System Observability: Implement monitoring, logging, and tracing across the full stack to quickly isolate and fail-gracefully when external financial APIs experience downtime.

• Software development: Designing and implementing maintainable, well-tested backend services and full-stack applications. • AI application design: Developing business-specific AI applications based on existing Large Language Models. • System and data integration: Integrating existing AI models and services into existing systems and workflows. • API development: Designing, documenting, and delivering clean APIs. • Testing and validation: Building automated tests and CI/CD pipelines.