Senior/Middle React Native Developer

Who are we?

Flying Bisons is a leading Digital Consulting & Delivery company based in the heart of Europe, Warsaw. Our mission is to help our clients to Unleash Digital Potential™. We discover, define, design, and develop world-class digital products that drive business results for our clients, shaping digital experiences for millions of people around the world.

We stand out due to our end-to-end process that allows us to approach each and every challenge with confidence that we can deliver the best results. Our expertise includes Research, Digital Strategy, Branding, Content (Written, Photos, Videos), Product Design, Web & Mobile Development, Data Analytics & AI.

Join our 120-people team to co-create industry-defining products and heart-racing experiences for the biggest brands (Mercedes AMG, IKEA, KFC, eObuwie, Żabka, Sanofi, Zain) and disruptive startups (like Booksy, Nethone, Telemedi, or DevSkiller)!

How will your daily work look like?

• You will be a part of the entire Product Discovery, Design & Development process which also involves continuous improvements long after the product release
• You will be creating and developing mobile applications for iOS and Android devices (i.e. for clients from the EU or Saudi Arabia)
• You will be accurately mapping applications based on designs (Figma)
• You will be code reviewing and keeping the code clean
• You will be cooperating with UI Designers and Backend Developers
• You will be taking care of application security, from design to implementation

What qualifications do you need to join us?

• 3+ years of commercial experience in React Native development (experience with the latest versions is a plus)
• Knowledge of TypeScript and strong skills in JavaScript ES6+
• Familiarity with Xcode and Android Studio
• Experience with Expo and its ecosystem
• Experience with deployment applications on the Google Play Store and the Apple App Store
• Familiarity with Git version control system
• Proficiency in React Hooks and the ability to effectively use functional components
• Experience in working with REST APIs and hands-on experience with React Query or other data-fetching libraries
• Experience with state management libraries such as Redux (Toolkit), Recoil, Zustand, or MobX
• Good command of English (B2+) and Polish
• Willingness to learn and develop by implementing challenging and ambitious projects

Nice to have:

• Experience with creating animations using Reanimated
• Experience with building forms using React Hook Form
• Proficiency in navigation management using React Navigation or Expo Router
• Experience in writing automated tests
• Understanding of WCAG standards and ability to implement accessibility guidelines in mobile apps
• Familiarity with Storybook and experience in building and managing Design Systems
• Experience with native modules (Objective-C, Swift, Kotlin, or Java) for extending React Native capabilities

What do we offer?

🤝 B2B contract

💰 15 000 - 21 000 PLN NET + VAT

🌍 Flexible work mode (100% remote, office or mix)

💚 7-hours working day (+1 hour break)

⛱ 24 days (+national holidays) of paid leave

🍀 Private healthcare (Enel-Med)

⚽ Co-financing for a Multisport card

🏢 Possibility to work from our modern office (WeWork Mennica Legacy Tower)

🇬🇧 English and Arabic lessons

👨‍💻 Apple equipment (MacBook)

👨‍🎓 Regular Knowledge Sharing meetups & workshops

📚 Access to our educational library

🎉 Team meetups and parties