Senior Software Engineer

Technically reviews and coordinates approximately 28 monthly production changes across critical systems. Validates code, branch conflicts, business requirements, deployment risks, and environment readiness through development, testing, staging, pilot, and production phases.

Identifies relevant pre-release issues and serves as a technical reference for two external vendors, covering 10 developers and 2 Product Owners. Delivers Kanban, categorization, email-alert, and UI improvements for ticketing and service-delivery systems; the staged delivery process is associated with an estimated 90% reduction in production rollbacks.

Led the modernization of the Employee Portal from a monolithic architecture to an API-based solution with a React front end. Implemented database indexes and relationships, Redis caching, N+1 query prevention, Docker, Octane, and FrankenPHP.

Reduced heavy requests from roughly 3 seconds to 500 milliseconds and key page loads from roughly 5 seconds to 1 second or less. The platform became the primary internal tool for 180 employees and had no production incidents during the tenure.

Supported nationwide hemotherapy systems and standardized approximately 30 screens over five months. Created a reusable implementation and documentation pattern that reduced scope and coding errors by approximately 90% for related work.

Improved a blood-center selector from approximately 8 seconds to 500 milliseconds through lazy loading, query refactoring, caching, sanitization, identifier validation, and encoding normalization within a legacy Zend Framework and PHP 5.6 architecture.

Owned the full back end of a corporate intranet delivered with another developer in six months. Centralized approximately 90% of internal workflows for 150 employees and implemented real-time WebSocket front-desk and service modules.

Served for one month as interim Tech Lead and Engineering Manager for two engineers. Guided technical decisions for WebSocket functionality, internal chat, and delivery processes, improving communication and reducing rework.

Postgraduate Degree in Software Engineering, in progress.