Ruby Labs

Senior React Native Developer

European UnionRemoteFull timeSeniorPosted 12 days ago
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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

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.

KEY RESPONSIBILITIES

- 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.

QUALIFICATIONS

- 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...