Principal Android Engineer (Kotlin/Compose)

Experis Manpower Group Show all offers

160 - 175 PLN / hour

Łódź

Expires Nov 15, 2026

18 days ago

In short

Principal Android Engineer (Kotlin/Compose) role with 8+ years of experience. Responsibilities include owning initiatives, defining technical direction, and improving app health. Requires expert Kotlin, Jetpack Compose, Coroutines/Flow, and multi-module architecture knowledge. Remote work available. Salary: 160-175 PLN net/h (B2B).

Keywords

Android development Kotlin Jetpack Compose Coroutines Flow Multi-module architecture Object-Oriented Programming Design Patterns SOLID principles

AI-written summary based on the listing content.

Location: 100% remote work Salary: 160 – 175 PLN net/h (B2B via Experis)

Responsibilities:

Own the app’s most ambiguous and high-risk initiatives, from problem definition through to production release.
Define technical direction within the assigned area, create solution designs and architectural decision records, and support decisions with data.
Drive application stability, performance, and overall app health improvements across modules and teams.
Work across the full Kotlin/Compose codebase, including UI, state management, data layers, networking, SDK integrations, and build systems.
Collaborate with Product Managers, Engineering Managers, and stakeholders to clarify scope, evaluate trade-offs, and proactively identify risks with recommended solutions.
Lead design reviews and promote high standards for testing, monitoring, and release processes.
Investigate and resolve complex crashes, ANRs, and regressions, including issues related to threading and third-party SDKs.
Mentor senior engineers to ensure knowledge sharing and sustainable decision-making within the team.
Present and demonstrate solutions to both technical and non-technical audiences.

Requirements:

8+ years of Android development experience.
Expert-level knowledge of Kotlin, Jetpack Compose, Coroutines/Flow, and large-scale multi-module architectures.
Proven experience leading architecture initiatives in large, multi-team applications, including staged rollouts and ownership of crash and ANR reduction.
Ability to become productive in a large codebase within a short timeframe and confidently make technical decisions when needed.
Strong English communication skills, both written and spoken, with technical and non-technical stakeholders.
Strong understanding of Object-Oriented Programming (OOP), Design Patterns, SOLID principles, and clean coding practices.

Nice to Have:

Experience with application performance optimization, startup performance improvements, navigation frameworks, or automotive-related projects.

Experience working as a contractor embedded within product teams.