Middle/Senior React Native Developer

Middle/Senior React Native Developer

Sigma Software – React Native Developer (Middle/Senior)

Required skills

• React Native / strong

• React / strong

• TypeScript / strong

• GraphQL / good

• Mobile Development / strong

• 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.

Requirements

• 3+ years of commercial experience with React Native development
• 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

WILL BE A PLUS:

• Experience writing unit tests

• Understanding of native mobile development

• Experience working in product-oriented teams

• Knowledge of CI/CD practices for mobile applications

• Personal Profile

• Strong ownership mindset

• Team-oriented approach to development

• Proactive communication skills

• Attention to detail and quality

• Ability to drive initiatives independently

• Willingness to learn and share knowledge

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