Engineering Group Manager at SJE leading a team in industrial automation and control systems. Overseeing design and implementation while mentoring engineers and managing projects.
About the role
- Senior Mobile Developer required for building mobile applications in React Native for high-scale iGaming products. Contribute to CI/CD processes and ensure app performance and reliability.
Responsibilities
- Develop and evolve the application, ensuring modularity, scalability, clear organization, and code quality;
- Maintain technical standards (structure, state, layers, abstractions) and be familiar with DDD;
- Build high-performance mobile apps with React Native and Expo;
- Master the specifics of Android and iOS (lifecycle, permissions, plugins);
- Optimize rendering, memory usage, startup time, and bundle size;
- Develop at an advanced level in React, TypeScript, and JavaScript.
- Implement and maintain WebSocket communication with stability and reliability;
- Design automatic reconnection, connection state management, message synchronization, retries, local queues, and batching;
- Handle failure scenarios considering unstable networks, background/foreground transitions, system interruptions, and apply optimistic communication patterns;
- Ensure data integrity in critical flows.
- Contribute to and maintain mobile CI/CD pipelines (build, versioning, and release);
- Implement OTA strategies (custom alternatives based on Expo);
- Monitor app stability and performance in production.
- Actively participate in refinement sessions, highlighting critical issues and prioritization with quality;
- Act as the mobile technical reference within the team.
Requirements
- Degree in a technology-related field or proven experience exceeding 10 years in software development, with at least 7 years in mobile;
- Minimum of 7 years of solid experience with React Native;
- Advanced proficiency in React Native, Expo, TypeScript, and JavaScript;
- Demonstrated experience with all responsibilities listed above;
- Strong focus on code quality, readability, and scalability;
- Intermediate English for technical reading.
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
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