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Senior Android Engineer

BRAVER IT SPÓŁKA AKCYJNA Show all offers

24000 - 34000 PLN

B2B

Senior

Warszawa

Expires Nov 25, 2026

8 days ago

In short

Senior Android Engineer needed for a long-term, remote B2B project. Responsibilities include developing Android apps with Kotlin/Java, improving VPN functionality, networking, and security. Requires 5+ years of experience, Kotlin, Java, Android SDK, MVVM/Clean Architecture, and networking concepts. Offers private healthcare and Multisport card.

Keywords

Android Development Kotlin Java Android SDK MVVM Clean Architecture Networking VPN Security Debugging

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Technologies we use

About the project

Your responsibilities

Develop and maintain Android applications using Kotlin and Java.
Build new features and improve existing VPN functionality.
Work on networking, connectivity, performance, and security.
Troubleshoot technical issues and improve application stability.
Collaborate with Android, backend, networking, and QA engineers.
Contribute to technical decisions and code quality.

Our requirements

5+ years of commercial experience in Android development.
Strong experience with Kotlin and Java.
Good knowledge of Android SDK and modern Android architecture (MVVM, Clean Architecture).
Good understanding of networking concepts (TCP/IP, UDP, DNS, HTTP/HTTPS).
Experience with Android networking, connectivity, or VPN-related functionality.
Understanding of Android security principles.
Experience with debugging, performance optimization, and testing.
Good English communication skills.

Optional

Experience with VPN applications or protocols (WireGuard, OpenVPN, IPSec, etc.).
Experience with NDK, C, or C++.
Familiarity with network debugging tools (Wireshark, tcpdump).
Experience working in international teams