Senior React Native Developer (f/m/x)
⚲ Warszawa
20 000 - 24 000 PLN netto (B2B)
Wymagania
- React Native
- TypeScript
- MOBX
- React hooks
- React Query/ TanStack Query
- React Native Reanimated
- Axios REST APIs
- Apollo Client GraphQL
- GitHub Actions
- Shopify FlashList
Opis stanowiska
Join one of Europe's largest mobile platforms, delivering digital services used by millions of users across multiple countries in Europe and North America. Built on a multi-module architecture, the platform enables rapid product development, high code reusability, and continuous expansion into new business areas.
As a Senior React Native Developer, you will play a key role in shaping the architecture of a big mobile ecosystem, driving technical decisions, mentoring other engineers, and delivering high-quality solutions at scale.
Your tasks
• Design, develop, and maintain complex mobile applications using React Native and TypeScript
• Drive architectural decisions and contribute to the evolution of our multi-module platform
• Lead technical discussions and participate in solution design
• Review code, mentor team members, and promote engineering best practices
• Collaborate closely with Product Owners, UX Designers, Backend Engineers, QA Engineers, and Architects
• Improve application performance, reliability, scalability, and maintainability
• Contribute to CI/CD processes and development tooling
• Support the integration of native mobile capabilities and third-party services
• Identify technical debt and proactively drive improvements across the codebase
Requirements
• At least 5 years of commercial software development experience, including at least 4 years with React Native
• Proven track record of building and maintaining large-scale mobile applications
• Strong expertise in TypeScript, modern JavaScript, and React Hooks
• Solid understanding of modular and multi-module application architecture
• Hands-on experience with MobX and React Query (TanStack Query)
• Knowledge of native mobile development concepts and creating native modules for iOS and Android
• Practical experience with REST APIs, GraphQL, and form management solutions
• English and Polish proficiency at the B2 level or higher
• Residing in Poland required
Nice-to-have requirements
• Payment integrations and mobile wallet solutions
• Geolocation and location-based services
• Firebase services and analytics
• Mobile security best practices
• Observability and monitoring tools
• Background in large-scale international products
• Agile delivery experience (Scrum/Kanban)
As a Senior React Native Developer, you will play a key role in shaping the architecture of a big mobile ecosystem, driving technical decisions, mentoring other engineers, and delivering high-quality solutions at scale.
Your tasks
• Design, develop, and maintain complex mobile applications using React Native and TypeScript
• Drive architectural decisions and contribute to the evolution of our multi-module platform
• Lead technical discussions and participate in solution design
• Review code, mentor team members, and promote engineering best practices
• Collaborate closely with Product Owners, UX Designers, Backend Engineers, QA Engineers, and Architects
• Improve application performance, reliability, scalability, and maintainability
• Contribute to CI/CD processes and development tooling
• Support the integration of native mobile capabilities and third-party services
• Identify technical debt and proactively drive improvements across the codebase
Requirements
• At least 5 years of commercial software development experience, including at least 4 years with React Native
• Proven track record of building and maintaining large-scale mobile applications
• Strong expertise in TypeScript, modern JavaScript, and React Hooks
• Solid understanding of modular and multi-module application architecture
• Hands-on experience with MobX and React Query (TanStack Query)
• Knowledge of native mobile development concepts and creating native modules for iOS and Android
• Practical experience with REST APIs, GraphQL, and form management solutions
• English and Polish proficiency at the B2 level or higher
• Residing in Poland required
Nice-to-have requirements
• Payment integrations and mobile wallet solutions
• Geolocation and location-based services
• Firebase services and analytics
• Mobile security best practices
• Observability and monitoring tools
• Background in large-scale international products
• Agile delivery experience (Scrum/Kanban)
🔍 Dekoder Ogłoszenia
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play a key role in shaping the architecture of a big mobile ecosystem
Może oznaczać realny wpływ na architekturę, ale też po prostu pracę nad istniejącym, rozbudowanym systemem bez możliwości wprowadzania fundamentalnych zmian.
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driving technical decisions
Może oznaczać faktyczne podejmowanie kluczowych decyzji technicznych, ale też bycie osobą, która prezentuje i uzasadnia decyzje podjęte przez innych.
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delivering high-quality solutions at scale
Wymaga to solidnych umiejętności i doświadczenia, ale może też sugerować presję czasu i konieczność kompromisów w celu szybkiego dostarczenia produktu.
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multi-module architecture
Może oznaczać dobrze zaprojektowany, modularny system, ale też skomplikowaną i trudną w nawigacji strukturę kodu.
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proactively drive improvements across the codebase
Oznacza inicjatywę w naprawianiu błędów i optymalizacji, ale może też wskazywać na dużą ilość zaniedbanego kodu (technical debt), którym trzeba się zająć.