Led the renewal of a platform over six years old that faced maintenance and scalability challenges.

• Structured a new project in Next.js 15, defining modern architecture and quality standards
• Standardized unit testing with Jest and technical documentation to ensure longevity
• Established componentization guidelines with Shadcn UI, Storybook, and TailwindCSS
• Implemented React Hook Form + Zod for validations and Zustand for state management
• Led the migration from MySQL to PostgreSQL, ensuring greater scalability and performance
• Maintained legacy system built with NestJS and React during the transition

Developed and maintained the 4Seg API, creating efficient and scalable endpoints for multiple features.

• Implemented integrations with partners, including insurance quote queues with Bull and webhooks
• Built authorization and permissions systems using CASL in NestJS and React
• Designed the OAuth 2.0 authentication API, strengthening user management and security
• Optimized workflows and UX, helping triple the number of daily analyses on the platform

Working on freelance projects helping companies modernize their digital presence and build custom web solutions.

• Developed front-end layout for a US real estate AI platform using React and Tailwind CSS (VAL Property AI)
• Built initial front-end for an e-commerce platform using Next.js and MedusaJS (Mercado Único)
• Contributed to a web ordering portal using PHP and developed a Node.js chat microservice (Pede.ai)

Worked on fintech and telemedecine solutions, focusing on service segmentation and real-time communication.

• Segmented card management systems at Hub Fintech enabling white-label solutions
• Documented APIs with Swagger and ensured quality with Jest unit tests
• Implemented real-time communication with medical equipment using WebSocket and audio streaming (H.ai)

Contributed to internal management and modular georeferenced agricultural planning systems.

• Developed backend with Node.js/Express and Sequelize/Oracle
• Built frontend in React and integrated external services
• Led the creation of a georeferenced system resulting in significant financial gains

Worked and completed the coursework in a software engineering residency focused on QA and testing within a globally distributed Agile team, but did not formally complete the postgraduate program.

• Worked in an international Scrum-based team with strict scope and deadlines, strengthening autonomy and delivery discipline
• Fixed and maintained automated test suites using an internal Python testing framework, improving regression reliability
• Executed manual and automated testing on mobile devices (smartphones and headphones) for Brazilian and US markets
• Supported test automation using Selenium and JUnit, combining Java and Python development
• Contributed to process improvement practices aligned with quality models such as CMMI