React Native Developer

il y a 1 jour


Grand Est, France Ruby Labs Temps plein

**About us**:
**About the role**:
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.

**Key Responsibilities**:

- Deliver new mobile product features with strong execution and attention to detail.
- Maintain and improve the React Native codebase, performance, and stability.
- Integrate with backend APIs, caching layers, and real-time services.
- Debug production issues, investigate edge cases, and ship fixes quickly.
- Implement crash reporting and performance observability (Sentry, tracing, logs, metrics).
- Optimize app performance across rendering, navigation, memory usage, latency, and offline behavior.
- Write clean, maintainable code with a strong understanding of software fundamentals.
- Contribute to technical discussions, planning, documentation, and delivery decisions.
- Support improvements to builds, releases, testing, and app store deployments.

**Qualifications**:

- 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.
- Experience with mobile builds, releases, CI/CD, or OTA update flows (EAS, CodePush, or similar).
- Experience with crash reporting and observability tools (e.g., Sentry, performance tracing, logs).
- Strong grasp of software development fundamentals and best practices.
- Ability to debug and fix issues confidently in production.
- Comfortable owning features or technical components with autonomy.
- Demonstrates accountability for edge cases, reliability, and user experience.
- Passionate about building scalable, reliable products that users depend on.

**Nice to have**:

- Experience working in startup or high-ownership product teams.
- Experience improving performance, automating releases, or enhancing mobile reliability at scale.
- Familiarity with backend services (Node.js, AWS, Redis, Cloudflare) to enable seamless API integration.
- Experience contributing to or building mobile design systems or shared component libraries.
- Experience with real-time mobile data flows (WebSockets, streaming, event ingestion).

**Location**:
**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.

Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth

**Interview Process**:

- Recruiter Screening (40 minutes)
- First Interview (30 minutes)
- Technical Interview (45 minutes)
- Final Interview (30 minutes)

**Life at Ruby Labs**:
At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day.

This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. 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. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success.

LI-Remote



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