Android Team Lead – India Collaboration Experience

What we offer:

• A challenging role in an international technology environment.
• The opportunity to work on modern mobile applications used by real users.
• Collaboration with experienced engineers from different countries and cultural backgrounds.
• A high level of autonomy and influence on technical decisions.
• Opportunities for professional growth and expanding your technical expertise.
• A flexible working environment and remote work opportunities.
• Multisport card.
• Private healthcare.

Zakres obowiązków

• Design, develop, and maintain high-quality Android applications using Kotlin and Java.
• Lead the architecture and implementation of new features for our VPN application.
• Work extensively with Android networking and VPN technologies, network interfaces, DNS, routing, connectivity, and traffic management.
• Design solutions for complex networking scenarios such as Wi-Fi/mobile network transitions, connection failures, captive portals, DNS issues, and intermittent connectivity.
• Work closely with backend, networking, QA, product, and security teams to deliver end-to-end features.
• Investigate and resolve complex production issues using logs, crash reports, performance metrics, and debugging tools.
• Participate in technical design and architecture discussions and help establish engineering best practices.
• Conduct code reviews and provide constructive technical feedback to other engineers.
• Mentor junior and mid-level Android developers.
• Contribute to improving development processes, testing practices, CI/CD, release processes, and overall engineering quality.
• Work closely with engineering teams and stakeholders based in India, collaborating across time zones while working CET/CEST hours.

Wymagania

Requirements:

• 7+ years of professional software development experience, with significant hands-on Android development experience.
• Strong proficiency in Kotlin and Java.
• Deep understanding of the Android SDK, Android application lifecycle, and modern Android development practices.
• Strong experience with Android architecture patterns such as MVVM, Clean Architecture, or similar approaches.
• Strong understanding of TCP/IP, UDP, DNS, HTTP/HTTPS, sockets, routing, and network connectivity concepts.
• Experience troubleshooting complex networking and connectivity issues on Android.
• Strong understanding of Android security principles, secure storage, encryption, authentication, and certificate/TLS concepts.
• Experience with Git and modern software development workflows.
• Strong debugging and problem-solving skills.
• Experience writing unit tests and UI/integration tests.
• Strong understanding of Android performance optimization and memory management.
• Experience working with international teams, particularly with teams or stakeholders based in India.

Preferred Qualifications:

• Previous experience developing VPN, proxy, firewall, network security, or privacy-focused

  applications.

• Experience working with VPN protocols such as OpenVPN, IKEv2/IPSec, V2Ray,

  WireGuard or similar technologies.

• Experience with native Android development using NDK/C/C++.
• Experience analyzing network traffic using tools such as Wireshark, tcpdump, or similar

  tools.

• Experience with Android security hardening and application protection.
• Experience with CI/CD systems and automated Android build and release pipelines.

Tech stack

• Android
• Kotlin
• Android SDK
• REST API
• Jetpack Compose
• Communication skills