Middle/Senior React Native Developer

Sigma Software Show all offers

Warszawa

22 days ago

In short

Middle/Senior React Native Developer for a fast-growing iGaming project in Warsaw. Develop and maintain mobile apps, collaborate with teams, and influence product development. Requires 3+ years of React Native, React, TypeScript, GraphQL, and GitHub experience. Upper-Intermediate English.

Keywords

React Native React TypeScript GraphQL GitHub iOS Android

AI-written summary based on the listing content.

Join a fast-growing international project where your work will impact mobile products used by millions of users worldwide. We are looking for a Middle/Senior React Native Developer with strong mobile expertise and a product-oriented mindset to strengthen our distributed team.

At Sigma Software, you will collaborate with experienced engineers to build scalable and high-performing applications for the iGaming domain. Why join us? We offer the opportunity to work with modern technologies, influence product development decisions, and grow professionally in a collaborative engineering culture.

CUSTOMER

Our Customer is one of Europe’s largest GameTech companies and the owner of one of the biggest mobile gambling platforms with millions of active users worldwide. The company combines enterprise-scale products with a startup-like approach to innovation and product delivery.

PROJECT

You will join a team developing modern mobile applications for globally recognized iGaming brands. The project focuses on delivering high-quality user experiences, supporting new product launches, and expanding existing brands into new international markets. The team follows a mobile-first approach and values ownership, collaboration, and engineering excellence.

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 stabilityRequirements3+ years of commercial experience with React Native development
Strong knowledge of React and React Native
Experience with Type
Script
Knowledge of Graph
QLExperience 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