IVO PENEV

Available to hire

Experience Level

Expert
Expert
Expert
Intermediate
Intermediate

Work Experience

Mobile Applications Developer at MyPOS
June 1, 2024 - Present
Developed Android background services handling real-time POS transactions. Built MQTT-based bi-directional communication for live monitoring and remote configuration. Implemented socket-driven transaction system with automatic reconnection logic. Integrated hardware SDKs (printers, payment modules, vending systems). Architected MVVM Kotlin POS app with SQLite persistence. Managed release builds, signing, and production deployment. Improved stability through Crashlytics-driven debugging and monitoring.
Mobile Applications Developer at SIS Technology AD
July 1, 2022 - February 29, 2024
Developed Kotlin-based POS app using MVVM and Jetpack Compose. Implemented real-time socket communication for backend device control. Integrated REST APIs using Retrofit and Coroutines. Refactored legacy modules improving performance and maintainability.
Junior Mobile Applications Developer at SIS Technology AD
January 1, 2022 - July 1, 2022
Maintained Java Android apps with SQLite and REST integration. Built multi-printer payment module for tablet POS system. Debugged and stabilized hardware SDK integrations.

Education

Core Java Development at SoftUni
January 1, 2020 - December 31, 2021
Web Development at SoftUni
January 1, 2020 - December 31, 2021
HTTP & Web Protocols at SoftUni
January 1, 2020 - December 31, 2021
SQL & Database Management at SoftUni
January 1, 2020 - December 31, 2021

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Computers & Electronics