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Gregory NowikGN

Gregory Nowik

Android developer

€500/day
Liège, BE
8-15 years

Average response time: 1 hour

About Gregory

Senior Android Developer with 8+ years of experience building high-performance mobile and TV applications. Specialized in Kotlin, Jetpack Compose and modern Android architectures (MVVM, Clean Architecture), with strong expertise in IoT, OTT streaming, BLE integrations and secure backend communication (REST, MQTT). Used to delivering scalable, production-ready solutions in Agile environments with high quality standards.
  • French

    Native or bilingual

  • English

    Native or bilingual

Can work on-site
Liège (up to 50km)

Experience

  • TAPPTIC
    Android developer
    PRESS AND MEDIA
    January 2023 - January 2024 (1 year)
    Liège, Belgium
    Development and maintenance of OTT streaming mobile and Android TV applications (VooTV+, BeTVGo, ZunyTV), with strong focus on ExoPlayer integration, DRM handling, playback optimization, performance troubleshooting, crash analysis, Firebase (Analytics, Crashlytics, BigQuery), Android TV UI/UX, and scalable architecture improvements.
    Kotlin Android Android TV Exoplayer
  • Neopixl,
    Differdange
    DIGITAL AND IT
    January 2021 - January 2023 (2 years)
    Luxembourg
    Development of a secure multi-purpose Android SDK for Decathlon Connected Locker ecosystem, integrated across multiple applications. Heavy involvement in AWS IoT (MQTT, device provisioning, certificates), OTA update flows, secure device communication, and robust architecture design. Achieved ~85% test coverage with strong focus on reliability, security, and scalability.
    Android Bluetooth Low Energy AWS Internet des objets SDK Android
  • Telespazio Belgium
    Android & Back-end developer
    AVIATION AND AEROSPACE
    January 2020 - January 2021 (1 year)
    Redu, LX, Belgium
    Development of an R&D native Android application for an anti-theft and accident sensor device for Honda mopeds. Designed and implemented both the mobile application and the backend (Spring Boot), handling BLE communication with the prototype device and real-time MQTT messaging between device, server, and mobile. Full ownership of the IoT architecture and end-to-end prototype delivery.
    SpringBoot Android MQTT Bluetooth Low Energy

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Education

  • Certificate in Business Management
    IFAPME
    2025
    Certificate in Business Management
  • iOS and Android developer
    Technifutur
    2017
    iOS and Android developer

Skill set

Categories