Senior React Native Developer — 4-week Project

About the Role

At Blazity we build modern digital products using React.js, Next.js, and API-first architectures for international clients. We focus on delivering clean, scalable, production-grade solutions with strong engineering ownership and high development standards.

We are currently looking for a React Native Developer to join a short-term mobile project estimated for 4 weeks, with a possible 1-week extension if needed. The ideal candidate is someone who can take ownership of the implementation, work independently, and deliver high-quality mobile applications using React Native and Expo.

Start: ASAP

Our Requirements

Must-have Technical Skills

• Strong commercial experience with React Native

• Hands-on experience with Expo ecosystem

• Very good knowledge of TypeScript

• Experience with Expo EAS build and deployment pipelines

• Solid understanding of mobile app architecture and production-ready development

• Experience working with CI/CD pipelines

• Ability to write maintainable, scalable, and well-structured code

• Strong debugging and problem-solving skills

Nice-to-have

• Experience with Apple / Google in-app payments

• Experience integrating RevenueCat

• Familiarity with mobile analytics solutions (e.g. Firebase Analytics)

• Experience publishing apps to App Store / Google Play

Soft Skills

• Ownership mindset — we are looking for engineers who understand and own their technical decisions

• Strong communication skills and proactive collaboration

• Ability to work independently in a fast-paced environment

• Attention to code quality and maintainability

• English at a communicative level (B2/C1)

Technology Stack

• React Native (Expo)

• TypeScript

• Expo EAS Pipeline

• React Native StyleSheet

• useTheme (optional theming support)

• RevenueCat

• Apple / Google in-app payments

• Firebase Analytics (optional)

• CI/CD pipelines

What You Will Do

• Build and deliver mobile application features using React Native and Expo

• Maintain high engineering standards and clean architecture

• Configure and manage EAS build pipelines for iOS and Android

• Collaborate closely with the team to deliver production-ready features within tight timelines

• Take ownership of implementation decisions and code quality

• Support deployment and release processes

Project Details

• Duration: 4 weeks

• Possible extension: +1 additional week

• Start date: ASAP

• Work style: Remote

• Location: Poland preferred

Salary Range

• B2B: 140-160 PLN net+VAT/h

What We Offer

• Fast-moving, hands-on project environment

• Fully remote collaboration from Poland

• Opportunity to work with experienced React and Next.js engineers

• High ownership and autonomy

• International projects and modern tech stack