George Nunes

• Implemented APIs with prepaid card brand partners, reducing activation time from D+1 to 2 minutes by modernizing the process from legacy batches to online HTTP RESTful communications. • Optimized the accreditation flow, decreasing service order incidents related to card machine delivery by 90%. • Authored comprehensive procedures for the Accreditation Squad (15+ professionals), enhancing team autonomy and efficiency during incident inquiries. • Mentored new joiners and juniors devs on Java, AWS, and SQL.

• Designed and implemented new payment methods within a payment gateway, including QR Code functionality, enhancing user flexibility and security by enabling custom due dates and payment/transfer limits. • Elevated code quality and resolved critical bugs using Java 8 and Spring Boot, reducing new production incidents by 80%. • Helped new joiner onboarding by mentoring product architecture, development methodologies, and local environment setup, accelerating team engagement and productivity.

• Developed and implemented "Tingu", a self-service web system, significantly reducing HR department overhead by 90% by enabling employees to independently manage inquiries via factory-wide kiosks. • Led the design and implementation of "CAPA", a planning tool that provides real-time manpower capacity forecasts based on demand, slashing planning time from one week to just 30 seconds. • Created interactive dashboards using JavaScript and PHP, providing engineers real-time insights into production quality.

• Designed and implemented an electronic inventory control system, boosting client productivity by 90% by eliminating manual data handling (spreadsheets, image processing) and streamlining inventory management. • Developed a visitor management web application for a security company, significantly reducing paperwork and enhancing traceability of all visitors. • Built a cash flow management web application for accounting analysts, increasing productivity through automated calculations and centralized data.

• Actively participated in Agile sprint meetings and technical design sessions, gaining practical exposure to project planning and system architecture. • Collaborated with senior developers on code reviews, receiving constructive feedback to improve coding standards and efficiency. • Resolved bugs and common defects in the SISCOMP - an administration system - using PHP, contributing to enhanced application stability and user satisfaction.