Tech Lead & Senior PHP Backend Engineer

Architected and delivered critical banking integrations with Banco Inter, Banco do Brasil, and Asaas for invoice issuance, TED transfers, and automated commission calculations. Built an internal qualified-interview platform with virtual meeting rooms, queue management, beneficiary authentication, and an initial frontend reference module.

Led two agile squads totaling nine professionals across backend, mobile, frontend, and UI/UX. Developed a healthcare mobile application and AI-powered biomarker analysis capabilities, and led the architecture of QualificaBem using Symfony REST APIs, Swoole WebSockets, recording chunk processing, and Cloud Storage integration. Mentored developers through one-on-ones, code reviews, and hands-on technical guidance.

Developed PHP and Symfony REST APIs backed by MySQL for mobile applications, including database design, business logic, and JWT-based authentication. Managed the full product lifecycle from architecture and implementation to mobile publication and operational monitoring.

Administered Linux/Ubuntu VPS infrastructure including Apache, MySQL, DNS, domains, and SSL. Managed version control, deployments, availability, security, performance, engagement metrics, and advertising monetization through AdMob, Unity Ads, and AppLovin.

Architected secure and scalable REST APIs using PHP, Symfony, and Laravel, with MySQL and PostgreSQL database design and JWT authentication for mobile integrations. Built administrative panels and management dashboards for reporting, order tracking, and product management.

Implemented payment integrations with Mercado Pago and PagSeguro, focusing on reliability, security, idempotency, and fault tolerance. Participated across the product lifecycle, including system architecture, database modeling, full-stack implementation, and high-conversion landing pages.

Worked across the full ERP implementation lifecycle, including configuration, user training, technical support, and modules for finance, accounting, inventory, purchasing, sales, and manufacturing. Developed custom web integrations and features using PHP, MySQL, jQuery, and Bootstrap.

Created a C# DLL for multi-bank boleto generation and remittance/return file processing. Implemented Brazilian tax and accounting parameterization, performed data migrations, gathered client requirements, optimized DataFlex databases, and developed business reports with SAP Crystal Reports. Progressed from Technical Support Analyst to Full-Stack Developer and Implementation Consultant.

Provided technical support and maintenance for a municipal computer laboratory with approximately 10 workstations. Performed operating system installation, software deployment, computer formatting, and hardware and software troubleshooting.

Assisted end users with technical requests and developed foundational skills in IT infrastructure administration, maintenance, communication, customer service, and problem solving.

Bachelor's Degree in Computer Engineering.