Muhammad Diaz

Web Developer with 2+ years of experience delivering scalable digital solutions using Laravel, React.js, Express.js, and PostgreSQL. Currently pursuing a Master's in Informatics Engineering. Passionate about smart systems, face recognition, IoT, and machine learning. Proven track record in building web applications with real-world impact across government and corporate environments.

Web Developer - Contract at Perumda Air Minum Surya Sembada Kota Surabaya (2024-10 – Present)

• Developed online internship portal used by 300+ students annually, streamlining registration and approval workflow.
• Built e-Audit platform that reduced audit processing time by 60% through digital record integration.
• Implemented visitor log system for server room, eliminating 100% manual paper-based processes.

Backend Developer - MBKM Studi Independen at PT Impactbyte Teknologi Edukasi (2022-01 – 2022-06)

• Created REST APIs (Express.js) serving 10K+ monthly requests, improving service reliability by 90%.
• Collaborated in 6-member team to build MVP, presented to 50+ mentors during program review.
• Deployed backend services with complete documentation and ensured smooth CI/CD integration.

Web Developer-Internship at PT PAL Indonesia (2022-10 – 2023-01)

• Developed internship website accessed by 500+ students, enhancing application and tracking efficiency.
• Digitized 1,000+ internal documents with document monitoring tool built using Laravel and MySQL.
• Designed clear ERDs and flowcharts, reducing dev timeline by 25% during feature implementation.

Web Developer - Freelancer at Siyatim (2019-06 – 2019-12)

• Built donation website with CodeIgniter, increasing online donor engagement by 30%.
• Integrated MySQL database to reduce manual input errors by over 80%.

Master of Information Technology in Information Technology – Politeknik Elektronika Negeri Surabaya (PENS) (2023-06 – 2025-06)

Diploma in Information Technology in Information Technology – Politeknik Elektronika Negeri Surabaya (PENS) (2019-06 – 2023-06)