Full Stack Developer

Built and operated a proprietary booking management platform using TypeScript, Node.js, Express, Prisma, PostgreSQL, and Next.js 15. Created the product repository and core foundation, containerized the application, migrated it to PostgreSQL, and implemented AWS infrastructure, deployment automation, staging, DNS, certificates, and security groups.

Implemented three payment gateway integrations with webhook verification, idempotency controls, unified error handling, and fail-closed verification policies. Built the booking financial engine, reconciliation tooling, observability layer, backend CI testing, structural CI linters, internationalization architecture for seven languages, and a published npm styleguide package used by multiple applications.

Developed reusable administrative listing primitives and hooks for filtering, pagination, search cancellation, response ordering, and row memoization. Migrated approximately 18 pages to the pattern, which was later adopted across 23 pages.

Sole developer of Entrance, a production ticketing and event management platform with 4,846 registered users, 153 events, and 1,075 tickets issued. Designed, built, and maintain the platform from its first commit.

Architected and maintain 13 containerized services, including seven Flask backends and six Next.js frontends, behind an Nginx reverse proxy with automated TLS and MySQL storage. The platform exposes approximately 670 registered routes.

Implemented payment processing for cards, PIX, installments, and refunds with two-layer idempotency and polling-based reconciliation. Built a custom versioned migration runner, secure HMAC-signed QR-code payloads, and a production decision-record CHANGELOG.

Three-year higher education program in Systems Analysis and Development.

Completed a capstone project, PLAGIAT, a centralized automated lock system. Led a 20-person team using Scrum and Kanban.