Senior React Developer (Fully Remote)

Ruby Labs is a leading tech company that creates and operates innovative consumer products. At Ruby Labs, we’re looking for a React Native Developer (Mid–Senior) to join our growing engineering team as we expand into mobile. This is a high‑impact role for an engineer who enjoys shipping real product features, solving performance challenges, and building clean, scalable applications for iOS and Android. You’ll collaborate closely with backend, product, and design teams while owning meaningful parts of the mobile codebase and helping deliver a fast, reliable, and polished experience to our users.

Maintain and improve the React Native codebase, performance, and stability.

Debug production issues, investigate edge cases, and ship fixes quickly.

Write clean, maintainable code with a strong understanding of software fundamentals.

Support improvements to builds, releases, testing, and app store deployments.

Strong production experience with React Native.

Deep understanding of React fundamentals (hooks, context, component lifecycle, rendering behavior).

Experience working with native modules and iOS/Android bridging when needed.

Experience shipping and maintaining apps on the App Store and Google Play.

Strong grasp of software development fundamentals and best practices.

Demonstrates accountability for edge cases, reliability, and user experience.

js, AWS, Redis, Cloudflare) to enable seamless API integration.

Experience with real‑time mobile data flows (WebSockets, streaming, event ingestion).

Ruby Labs operates within the CET (Central European Time) zone. Remote Work Environment: Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.

Flexible Independent Contractor Agreement: Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: part of our fast‑growing team and seize this excellent opportunity for personal and professional growth!

Life at Ruby Labs

At Ruby Labs, we move fast, aim high, and expect the same from our team. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen. Here, effort is matched with reward.