ruby-labs - Lead Android Developer
Requirements
• 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. • Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours.
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.
Benefits
• Discover the perks of being part of our vibrant team! We offer: • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1nkrN76JlZkbKj9WSOhlT1_mni_CZeDkHdwfIjPXVwvk/preview?tab=t.0#heading=h.ndsdl4wapxtt • Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth!
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