Senior Android Engineer — Lead Mobile Architect (Remote)

Trax Retail; Kraków; Hybrid; PLN 223,000 - 312,000; Full time

Benefits offered by this job

Remote/Hybrid working model

Learning & development opportunities

Fringe benefits: cafeteria package, 1n

Job summary

Trax Retail in Kraków is seeking an experienced Android Engineer to step into a technical leadership role while remaining hands‑on with code. You will guide the Android team, shape architecture, mentor engineers, and collaborate with global teams across the US, Poland, Hungary, and Ukraine.

This role offers exposure to Jetpack Compose, on‑device ML, and cross‑platform work with iOS teams, with a path to Tech Lead and broader impact on mobile engineering strategy.

Qualifications

• 5+ years of professional Android development with Kotlin.
• Deep knowledge of MVVM, Clean Architecture, and multi‑module apps.
• Experience with Jetpack libraries (Compose, Navigation, Room, WorkManager).
• Experience mentoring engineers and leading technical initiatives.
• Experience working in international, distributed teams and strong communication.
• Advanced English language skills.

Responsibilities

• Develop and maintain core features of the GoSpotCheck Android app.
• Lead architecture decisions and set code quality standards for the Android team.
• Mentor engineers through code reviews, pairing sessions, and guidance.
• Collaborate with iOS, QA, backend, and ML/IR teams across the US, Poland, Hungary, and Ukraine.
• Contribute to cross‑team technical discussions, sprint planning, and roadmap prioritization.
• Drive improvements in build pipelines, testing strategies, and development workflows.
• Experiment with emerging Android technologies, including Jetpack Compose, on‑device ML, and camera/AR integrations.

Skills

Android Kotlin

MVVM Architecture

Jetpack Compose

Mentoring

Distributed teams

Communication skills

Ownership

Advanced English

Tools

GitHub Actions

TensorFlow Lite

Job description

Trax Retail in Kraków is seeking an experienced Android Engineer to step into a technical leadership role while remaining hands‑on with code. You will guide the Android team, shape architecture, mentor engineers, and collaborate with global teams across the US, Poland, Hungary, and Ukraine.

This role offers exposure to Jetpack Compose, on‑device ML, and cross‑platform work with iOS teams, with a path to Tech Lead and broader impact on mobile engineering strategy.