Senior React Native Mobile Engineer – iGaming Impact

Sigma Software

Warszawa

On-site

PLN 120,000 - 180,000

Full time

14 days+

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Job summary

Sigma Software is seeking a Middle/Senior React Native Developer to join a fast-growing international project focused on mobile products used by millions of users worldwide. You will work with a distributed team to deliver high-quality iOS and Android apps with a product-oriented mindset.

You will collaborate with experienced engineers, contribute to architecture decisions, and help launch new brands while expanding into international markets, embracing ownership, collaboration, and engineering

Qualifications

3+ years of commercial React Native experience.
Strong knowledge of React and React Native.
Experience with TypeScript.
Knowledge of GraphQL.
Experience with GitHub or other version control systems.
Understanding of mobile-first development principles.
Experience working with iOS and Android applications.
Upper-Intermediate level of English.

Responsibilities

Develop and maintain React Native applications for iOS and Android platforms.
Ensure smooth and engaging mobile user experiences.
Collaborate with cross-functional teams to deliver high-quality solutions.
Improve and maintain existing applications with a product-oriented mindset.
Contribute to launching new brands and expanding products into new markets.
Participate in technical discussions and suggest improvements across the development process.
Take ownership of application quality, performance, and stability.