Anthony B. Oppus

Independently implemented 10+ new features and handled client RFC tickets across Spring Boot and React applications using TypeScript, consistently meeting sprint deadlines. Improved release velocity by ~25% and supported teammates by sharing code review best practices and an RCA framework, reducing recurring bugs by ~40%. Led database performance initiatives via in-depth code/query analysis and strategic indexing, cutting average query response time by ~35% and improving overall throughput. Collaborated daily with system analysts and 3+ cross-functional teams to align technical delivery with business requirements, delivering 20+ features with minimal rework. Managed end-to-end production deployments of features and hotfixes on Microsoft Azure with regression testing and system stability validation (99%+ uptime). Coordinated full-stack architecture and REST API integrations across 5+ connected systems, reducing integration issues by ~30%.

Architected and developed the full front-end application from scratch using React, Next.js, and TypeScript, delivering fully responsive UI across 5+ breakpoints with no design-deviation defects at launch. Defined scalable folder structures and code conventions to align with backend development and improve maintainability and consistency. Integrated i18n to support multi-language functionality across 3+ locales and engineered a complete JWT-based authentication system using NestJS, with automated email notifications via SMTP/Mailgun, reducing manual user onboarding effort by ~60%. Integrated interactive 3D models and GSAP animations to enhance engagement and implemented production monitoring/alerting using Prometheus, Grafana, Loki, and Promtail to track PostgreSQL slow queries and service downtime with multi-severity alerts and automated Slack/email notifications.