Requirements

Expected technologies

React Native

React.js

TypeScript

GraphQL

Redux

Mobx

Android

iOS

Xcode

Gradle

Android Studio

Kotlin

Our requirements

• At least 5 years of experience working with React Native, React and TypeScript including enterprise-grade experience (experience with large app decomposition, layers separation, and scalable architecture for enterprise-level applications).
• Experience with architecture and design patterns.
• Familiarity with different styling solutions (StyleSheet, Styled Components, Unistyles).
• Efficient React Native debugging skills — ability to troubleshoot and resolve complex issues with React Native applications using debugging tools, logs, and error tracking.
• Practical knowledge of JavaScript and testing frameworks (Jest, Detox, Testing Library).
• Experience in Brownfield Development.
• Experience working with REST API and/or GraphQL.
• Understanding of state management patterns and solutions like Redux and Mobx.
• Knowledge of native iOS development (Swift, SwiftUI, Combine) and Android development (Kotlin). Proficiency in using native build tools like Xcode, Gradle, and Android Studio.
• C1-level proficiency in both English and Polish – you will use both languages in all aspects of your daily work
• Collaborative and communicative – you work well with others, share knowledge, and express ideas clearly.
• Solution-oriented and creative – you tackle challenges with practical, innovative solutions.
• Quality-driven with a continuous improvement mindset – you take pride in delivering clean, secure, and maintainable code while seeking ways to improve.
• Eager to learn and adapt – you embrace new ideas and grow with your team.
• Comfortable in Agile environments – you thrive in cross-functional collaboration and value constructive feedback.

Optional

• Experience integrating mobile apps with external services.
• Experience with TurboModules and TurboComponents.
• Experience with accessibility (a11y) best practices in mobile apps, including WCAG compliance and keyboard navigation support.
• Experience with UX/UI design best practices.

Your responsibilities

• Develop and maintain mobile applications using React Native, React and TypeScript
• Frequently lead scoping of initiatives, consider boundaries and non-functional requirements
• Propose ideas, contribute to technology choices, and present solutions to the team
• Foster a culture of implementing commonly understood design patterns and processes
• Integrate with backend services via REST API and/or GraphQL
• Work with React Native’s new architecture, applying best practices for scalability and performance
• Write unit and integration tests using tools like Jest, Detox, and Testing Library
• Optimize the performance of mobile applications
• Implement and manage state management solutions (e.g., Redux, Mobx)
• Collaborate with backend teams and designers to ensure consistency and high-quality deliverables
• Strategically improve CI/CD processes and deployment strategies
• Troubleshoot complex technical issues and help scale mobile applications
• Actively participate in the Scrum process (stand-ups, retrospectives, and technology discussions).