Resume

Emmanuel Leu Tecson

emmanuel.l.tecson@gmail.com | Jose Dalman, Zamboanga del Norte

Summary

Developer focused on building secure, high-performance web applications. Strong in algorithms, system design fundamentals, and application security principles. Passionate about creating software that is both scalable and resilient. Experienced in developing full-stack applications using modern JavaScript frameworks, with an emphasis on clean architecture, maintainable code, and efficient data handling. Continuously learning and applying best practices to deliver reliable and user-focused solutions.

Technical Projects

Lichess Puzzle Timer — By Eltecson

Extension Project (Chrome, Firefox, Firefox for Android) | 10/2025 - Present

• Developed a browser extension that enhances Lichess puzzle training with real-time timers and automated puzzle flow
• Implemented multiple timing modes (per-puzzle and cumulative) with customizable presets for different training speeds
• Integrated performance tracking to measure solving speed, accuracy, and training consistency
• Deployed and maintained cross-browser support on Google Chrome, Mozilla Firefox, and Firefox for Android, ensuring consistent functionality across desktop and mobile environments
• Designed a lightweight, privacy-focused system with no external accounts or data tracking

Arduino Embedded Foundations (10 Micro-Projects)

Embedded Systems Project Series | 01/2026 - 04/2026

• Developed a structured series of 10 Arduino-based micro-projects to explore core embedded systems concepts, including digital I/O, timing, and sensor integration
• Built and tested hardware-software systems demonstrating real-time interaction between micro-controllers and external components (LEDs, sensors, and input devices)
• Applied iterative debugging and circuit validation to ensure reliable behavior across multiple prototypes
• Strengthened understanding of low-level programming, hardware interfacing, and event-driven logic in resource- constrained environments
• Documented project implementations and learning progression in a public GitHub repository to support reproducibility and continuous improvement

Skills

Programming, Graphic Design, Web Design

Education

Manawan National High School | Jose Dalman, Zamboanga del Norte

CSS Strand | 03/2026

• Graduated with High Honors
• Earned TESDA NC II (Computer System Servicing)
• Hands-on experience in hardware troubleshooting, OS installation, basic networking, and system maintenance
• Completed practical assessments demonstrating proficiency in diagnostics, repair, and service documentation

Certificates

• CS50x Certificate
• National Certificate II (Computer System Servicing)