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Work Background
Zig. The Global FuntechTech Lead | Full‑Stack Senior Software Engineer
Jan. 2024Brazil- Led B2C team supporting an international ticketing platform with hundreds of thousands of daily users, ensuring 99.9% uptime.
- Architected scalable cloud infrastructure with AWS, Kubernetes, Docker, enabling horizontal scaling of high‑traffic components.
- Delivered new Next.js front-end, boosting SEO and doubling conversion rate.
- Integrated OpenAI APIs and AI features, and refined microservices in Node.js, NestJS, Adonis, Python.
- Mentored team members in Clean Code, TDD, CI/CD best practices, improving delivery quality and velocity.
TestReachSenior Software Engineer | Full‑Stack Developer
Jul. 2022 - Jan. 2024Ireland- Scaled an online assessment platform used by thousands of students and corporate clients globally.
- Designed and optimized back-end (Node.js, GraphQL) and front-end (React, Electron) to enhance reliability and performance.
- Delivered features in Scrum squads, improving usability and customer satisfaction.
- Increased test coverage and automated CI/CD, reducing bugs and accelerating deployment cycles.
SambatechTech Lead | Full‑Stack Lead Software Engineer
Jan. 2022 - Oct. 2022Brazil- Managed 7 squads and 30+ developers on multimedia SaaS platforms (video streaming / education).
- Led architecture redesign with microservices on AWS, improving scalability and client retention.
- Implemented testing culture (Jest, React Testing Library) and CI/CD pipelines for higher code quality.
- Coordinated delivery of custom digital products, enhancing user engagement and product reliability.
Change HealthcareSenior Software Engineer | Full‑Stack Developer
Sep. 2021 - Mar. 2022United States- Enhanced a large-scale MeteorJS medical imaging delivery platform, improving performance and stability.
- Maintained and extended the monolithic MVC system with NoSQL database integration.
- Collaborated in Kanban squads, delivering compliant features in a healthcare environment.
DasaSenior Software Engineer | Full‑Stack Developer
Sep. 2020 - Sep. 2021Brazil- Architected and launched Nav Saúde, a telemedicine platform unifying lab results for millions of patients.
- Implemented microfrontend architecture with Module Federation, and BFF with NestJS for front-end alignment.
- Developed and documented the Alma design system in React/Next.js with Storybook, standardizing UI across applications.
- Established CI/CD pipelines, improving deployment cadence and system reliability.
Universidade Anhembi Morumbi
Jan. 2020 - Dec. 2024
Teresa Perez ToursTech Lead | Full‑Stack Lead Software Engineer
Sep. 2019 - Jan. 2021- Led digital transformation and a team of 10 developers.
- Delivered a white-label travel platform with Node.js + GraphQL backend, React + Redux front-end, and React Native mobile app.
- Enhanced customer experience and operational efficiency via scalable architecture and automation.
Fleury Medicina e SaúdeSenior Software Engineer | Full‑Stack Developer
Jul. 2018 - Sep. 2019- Participated in digital modernization, scaling the tech team from 5 to 80 engineers.
- Migrated legacy systems to microservices, adopted frameworks like React and Angular, and improved DevOps practices.
- Accelerated delivery and increased reliability across healthcare web products.
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