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# Lead Android Developer

- **Company:** Ruby Labs
- **Location:** Eu, France (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Android Software Development, Continuous Integration, Github, Gradle, Key Management, Software Architecture, Release Management, System Testing, Circleci, Kotlin, Gitlab-ci, Integration Tests, Google Play, Software Coding, Api Management
- **Published:** July 9, 2026
- **Apply:** https://fr.indeed.com/viewjob?jk=6d9e29d9286c5239

## About the Role

* 8+ years of Android development experience, including 2+ years in a lead or tech-lead capacity.
 * Proven track record shipping and scaling B2C subscription-based apps at significant user volume.
 * Deep expertise in Kotlin, coroutines/Flow, and advanced language features; ability to set idiomatic standards across a team.
 * Mastery of Google Play Billing at scale, subscription monetization architecture, entitlement validation, RTDN pipelines, paywall experimentation, and pricing/offer strategy.
 * Strong architectural leadership: large-scale multi-module Gradle architectures, build optimization, design systems, and cross-team API contracts.
 * Experience owning CI/CD at scale (GitHub Actions, Bitrise, Gitlab CI), automated release trains, staged rollouts, and signing/key management.
 * Deep performance engineering: startup optimization, Baseline Profiles, memory/jank diagnosis, and R8/ProGuard optimization.
 * Comprehensive testing strategy ownership: unit, UI (Compose/Espresso), and integration testing with meaningful coverage goals.
 * Experience integrating AI-driven product features and championing AI-assisted development practices across a team.
 * Strong technical leadership, mentorship, stakeholder communication, and cross-functional collaboration skills.

## Description

As a Lead Android Engineer, you will own the technical direction of our Android platform, set engineering standards, and mentor a team of engineers while remaining hands-on with the codebase. You will drive architecture decisions, ensure scalability and performance, and partner with product and cross-functional leadership to shape the mobile roadmap., * Define and own the technical vision, architecture, and long-term roadmap for the Android platform.

 * Lead, mentor, and grow a team of Android engineers; set coding standards and review practices.
 * Make high-impact architectural decisions and drive modularization/scalability across the codebase.
 * Own CI/CD strategy, release management, and deployment reliability.
 * Partner with product and design leadership to translate business goals into technical execution.
 * Establish observability, performance budgets, and quality gates.
 * Remain hands-on: contribute to critical features and complex problem-solving.


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