Siegfred Pagador

Drove architectural decisions and technical strategy for state management (Redux, React Query, Zustand) across critical user-facing systems, ensuring scalability and performance.

Implemented robust frontend security best practices, including CSP and security headers, and comprehensive Jest testing frameworks, enhancing application resilience and data integrity.

Mentored junior engineers and led initiatives to improve code quality, contributing to the delivery of scalable, production-grade applications.

Managed complex user-facing systems, ensuring optimal performance and user experience across critical applications.

Redesigned and rebuilt a critical internal admin dashboard using React, Next.js, TypeScript, and Ant Design, significantly enhancing usability and maintainability for internal operations.

Championed and enforced frontend best practices, establishing architectural standards and serving as the primary decision-maker for frontend development.

Contributed to a significant improvement in the efficiency of internal administrative processes through robust frontend solutions.

Maintained and enhanced large-scale real estate platforms, impacting user experience for hundreds of thousands of users across Cambodia and Papua New Guinea.

Developed new features, resolved critical issues, and improved existing web applications, leveraging React and Next.js to build robust interfaces integrated with Django-backed systems.

Contributed to the continuous improvement of platform stability and functionality, ensuring seamless user interaction.

Contributed as a key member of the initial development team for IKHLAS - Your Companion, a mobile application focused on Muslim-friendly travel and lifestyle services for AirAsia/Capital A.

Developed core features, including the Qibla Finder, utilizing device sensors to accurately determine Qibla direction, enhancing user experience for a critical app function.

Developed and maintained diverse mobile applications for clients, successfully delivering projects sourced through Upwork.

Led the successful migration of a legacy, bug-prone Ionic application to Flutter, resulting in significant improvements in performance and stability.

Resolved critical issues in existing Flutter applications and provided ongoing maintenance for Wordpress-based websites.

Contributed to the development of robust web and mobile applications, primarily focusing on e-commerce and management systems.

Specialized in translating complex UI/UX prototypes into high-quality, production-ready mobile applications, ensuring pixel-perfect implementation and optimal user experience.

Provided backend development support and actively participated in peer code reviews, contributing to overall code quality and system integrity.

Led the development and maintenance of multiple web and mobile applications, streamlining core academic and administrative processes for the university.

Successfully migrated an underperforming Apache server to Nginx and deployed a high-performance SASE web application, reliably handling over 20,000 submissions during peak intake periods.

Enhanced the stability and performance of critical university systems, ensuring seamless operation during high-demand periods.

Initiated a freelance development career during university, delivering custom web and desktop applications tailored to diverse client requirements.

Managed the full software development lifecycle independently, from requirements gathering and system design to implementation and deployment, ensuring successful project delivery.

Contributed to the development, deployment, and maintenance of critical institutional web applications, serving students, faculty, and administrative staff.

Enhanced mission-critical academic systems campus-wide, improving data accessibility and accuracy for thousands of users.