Koho hledáme
- 5+ years of experience building mobile applications, with significant React Native experience.
- Experience mentoring engineers through code reviews, architecture, and incident response is a strong plus.
- Strong understanding of mobile system design , component architecture, state management, navigation patterns, and performance trade-offs.
- Experience optimizing UI performance, memory usage, rendering efficiency, and startup time.
- Deep knowledge of React internals and rendering behavior ( hooks, reconciliation, lifecycle, render cost ).
- Experience working with native modules and iOS/Android bridging .
- Shipped and maintained apps on the App Store and Google Play.
- Experience with CI/CD, builds, release automation, and OTA update s (EAS, CodePush, or similar).
- Experience implementing monitoring and observability (Sentry, OpenTelemetry, crash reporting, performance tracing).
- Demonstrated ownership of edge cases, distributed failure modes, degraded APIs, offline sync, and recovery UX.
- Demonstrated ability to lead architecture or technical strategy for a mobile app or major feature.
- Maintains high standards for clean code, SOLID principles, maintainability, and documentation.
Co budeš dělat
- Contribute to the development and delivery of new mobile product features.
- Maintain and improve the existing React Native codebase, performance, and stability.
- Define and evolve mobile architecture, system design, and technical strategy.
- Partner with backend, product, and design teams to shape solutions that scale.
- Drive reliability, performance, and observability standards on mobile.
- Own production debugging, incident investigation, and root cause analysis.
- Guide improvements in build systems, CI/CD, releases, testing, and app store deployments.
- Support hiring and help grow a world-class mobile engineering team.
- Champion performance across rendering, navigation, latency, memory, offline behavior, caching, and real-time experiences.
O pozici
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
At RubyLabs we’re looking for a Senior React Native Developer to join our growing engineering team and help lead our expansion into mobile. This is a role for someone who cares deeply about product quality, enjoys solving architectural challenges, and wants ownership over real features that users rely on.
You’ll play a key role in building and scaling our mobile applications, shaping the future of our mobile offering, and collaborating closely with backend and product teams to deliver a seamless, reliable, and high-performance user experience.
Benefity
- 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