Sigma Software is looking for a Middle/Senior React Native Developer to join our fast-growing international project and help deliver mobile products used by millions of users worldwide. You will collaborate with experienced engineers to build scalable and high-performing applications for the iGaming domain in a distributed team. Based in Warsaw, Poland, you will have the opportunity to work with modern technologies, influence product development decisions, and grow professionally in a collaborative engineering culture. The customer is one of Europe’s largest GameTech companies, owning a major mobile gambling platform with millions of active users. The project focuses on delivering high-quality user experiences, supporting new product launches, and expanding brands into new international markets. Our team follows a mobile-first approach and values ownership, collaboration, and engineering excellence. Responsibilities include developing and maintaining React Native applications for iOS and Android, ensuring smooth and engaging mobile user experiences, collaborating with cross-functional teams to deliver high-quality solutions, improving and maintaining existing applications with a product-oriented mindset, contributing to launching new brands and expanding products into new markets, participating in technical discussions, and taking ownership of application quality, performance, and stability. Qualifications include 3+ years of commercial React Native development, strong knowledge of React and React Native, TypeScript, GraphQL, experience with GitHub or other version control

Sigma Software is looking for a Middle/Senior React Native Developer to join our fast-growing international project and help deliver mobile products used by millions of users worldwide. You will collaborate with experienced engineers to build scalable and high-performing applications for the iGaming domain in a distributed team. Based in Warsaw, Poland, you will have the opportunity to work with modern technologies, influence product development decisions, and grow professionally in a collaborative engineering culture. The customer is one of Europe’s largest GameTech companies, owning a major mobile gambling platform with millions of active users. The project focuses on delivering high-quality user experiences, supporting new product launches, and expanding brands into new international markets. Our team follows a mobile-first approach and values ownership, collaboration, and engineering excellence. Responsibilities include developing and maintaining React Native applications for iOS and Android, ensuring smooth and engaging mobile user experiences, collaborating with cross-functional teams to deliver high-quality solutions, improving and maintaining existing applications with a product-oriented mindset, contributing to launching new brands and expanding products into new markets, participating in technical discussions, and taking ownership of application quality, performance, and stability. Qualifications include 3+ years of commercial React Native development, strong knowledge of React and React Native, TypeScript, GraphQL, experience with GitHub or other version control