my work experience

Technical leadership in mobile development for Brazil's largest rewards program, with digital products used by millions of users.

• Architected mobile micro frontends (MFE) integrated with Contentstack CMS, enabling the product team to create travel screens (flights, hotels, cars) without depending on deploys.
• Reduced loading time by 35% by refactoring critical flows, directly impacting conversion rates on low-end devices.
• Implemented observability with Sentry, reducing crash rates and enabling proactive issue detection before impacting users.
• Integrated push notifications (Firebase) and deep linking, increasing engagement and retention in high-conversion flows.
• Built a reusable TypeScript component library, accelerating new feature development across the entire squad.

Senior engineer at ConnectPlug, one of Brazil's largest POS systems within the Locaweb ecosystem, processing thousands of daily transactions.

• Developed payment method integrations, expanding the merchant base that could accept transactions through the platform.
• Built financial reporting modules that gave merchants visibility into sales, inventory, and cash flow.
• Optimized Laravel backend endpoints to handle transaction peaks without performance degradation.
• Evolved the Vue.js and Blade frontend, improving the experience for operators who use the system all day.

Consulting focused on digital transformation of educational platforms.

• Designed and implemented a gamification system for an education platform, increasing student engagement and retention.
• Developed full-stack features with Vue.js and Laravel, delivering capabilities that directly impacted end-user experience.
• Automated CI/CD pipelines, reducing deploy time and increasing delivery reliability.

Core developer of the 2GO mobile banking app, responsible for mission-critical features handling real money for thousands of customers.

• Implemented the complete PIX, virtual cards, and smart statements flows — core features that defined the bank's value proposition.
• Reduced transaction response time by up to 40% through profiling and API optimization, directly impacting every user's experience.
• Designed adaptive iOS and Android interfaces with caching strategies and optimized navigation, minimizing friction in financial flows.
• Integrated document capture and analytics SDKs, ensuring regulatory compliance without compromising user experience.
• Mentored junior developers, raising the team's technical bar and accelerating delivery speed.

Lead developer of GMED — a system tracking medications from warehouse to patient bedside across public hospitals in Maranhao, Brazil.

• Built the complete Vue.js interface with offline support, enabling healthcare professionals to log medications even without internet.
• Architected the backend with Laravel, Docker, and GraphQL, ensuring full traceability of every medication — a critical public health requirement.
• Reduced medication logging errors by digitizing a process that was previously 100% manual and paper-based.
• Mentored 3 junior developers, accelerating the team's delivery capacity.

• Built a product quoting system from scratch that automated the pricing process, eliminating manual spreadsheets and reducing client response time.
• Full stack: React and Vue.js on the front, Laravel and MySQL on the back, with RESTful API integrating multiple suppliers.

• Built a complete financial management system (accounts payable/receivable, reports, dashboards) that centralized the company's financial control into a single platform.
• Real-time dashboards provided visibility into cash flow and overdue accounts, supporting strategic management decisions.

First professional role — where I built the foundations of my software engineering career.

• Developed and maintained legal process management systems used by law firms to manage deadlines, documents, and case progress.
• Created interfaces that simplified lawyers' daily workflow, reducing time spent on administrative tasks.
• Grew from junior to autonomous developer in 2 years, owning complete features end-to-end.