Senior engineer responsible for two company products, leading all architecture, scalability, and technical implementation decisions.

• White-Label Mobile App Platform for ISPs — Architected a microservices system generating personalized mobile apps for internet providers with data isolation. Full-stack: NestJS (back-end), Angular (admin panel), Flutter (mobile).
• Field Technician Marketplace — Uber-style platform connecting ISPs with network installation technicians. Built with React Native (mobile) and NestJS (API), including geolocation and work order management.

Sole engineer responsible for the complete rewrite of an e-sports tournament platform backed by R$ 250K in angel investment.

• Migrated the application from monolithic Laravel to NestJS + Angular with a hybrid monolithic + microservices architecture.
• Defined and implemented the entire architecture from scratch — data modeling, API structure, deployment strategy, code standards, and CI/CD pipelines.
• Managing the full development lifecycle as the only engineer, from requirements gathering to production deployment.

• Full-stack development with Laravel (back-end) and Vue.js (front-end), working autonomously on end-to-end feature delivery.
• Integrated internal and third-party APIs, designed relational database schemas, and collaborated closely with product, design, and QA teams.

• Full-stack development of a telemedicine platform covering the entire care ecosystem — from clinic to patient — processing over 1,000 consultations per month.
• Promoted to mid-level, began making architecture decisions that directly impacted system scalability.
• Restructured critical modules to support user base growth and integrated video conferencing and electronic health record services.

• Started on the telemedicine platform under the supervision of senior developers.
• Built front-end and back-end features with Laravel and Angular, fixed bugs, integrated APIs, and participated in agile ceremonies and code reviews.

• Developed a physical access control system integrating hardware (Arduino + electromagnets) with mobile and web applications.
• Built a native Android app in Java for remote lock control and web interfaces with Angular for system management.

• Technical support for public healthcare management systems, serving UPAs, UBSs, and municipal health units.
• Deployed and trained staff on new system installations, built custom management reports with JasperReports.
• Gathered requirements from end users — acting as the bridge between healthcare facilities and the development team.

• Vehicle invoicing management, development of interactive dashboards with Power BI for executive decision-making.
• Creation of VBA-automated spreadsheets — early steps into programming that sparked the transition to a technology career.

• Worked in logistics and finance at a leading dental implant company.
• Handled inventory control, order fulfillment, invoice processing, and financial department administrative routines.