Muhammad T.

I build, customize and maintain Traccar GPS tracking systems, from device protocols to the web UI, mobile apps and production servers. WHAT I DO • Custom Traccar development (Java/Netty): new protocol decoders, events, commands, reports, notifications • Device integration: GT06, Teltonika FMC130/FMB130, Digital Matter Barra Edge, Sensecap T1000, BLE sensors • Web UI customization (React/MUI) and Flutter Android/iOS driver and tracking apps with Firebase push notifications • Server setup, upgrades and migrations: Linux VPS, Apache/Nginx + SSL, MySQL/PostgreSQL, reverse geocoding server • Performance and debugging: database tuning, Hikari/Liquibase issues, backups and restores • Production-safe changes: I back up and test before touching a live server RECENT WORK • Custom decoder for Digital Matter Barra Edge devices • Wired vs. wireless device popup logic in Traccar v6.6 • Traccar upgrade with MySQL migration (5★ client feedback) • Notification history with push-notification deep links on iOS/Android • Reports, CSV export via the Traccar API, relay and battery-status templates WHY CLIENTS KEEP HIRING ME 28 jobs on Upwork, nearly all on Traccar, 100% Job Success, Top Rated status, and several clients who have worked with me for over a year. TO GET A QUICK ESTIMATE, SEND ME 1. Your Traccar version and how it is hosted (VPS, OS) 2. The device model/protocol, if it is a device issue 3. What you need changed, and screenshots or logs if it is a bug I typically reply within 4 hours and explain what I'm changing and why.