Lead Android Developer

About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role 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. Key Responsibilities 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. Qualifications 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, d