Senior Mobile Engineer

About Qualysoft

· 25 years of experience in software engineering, established in Vienna, Austria · Active in Romania since 2007, with office in central Bucharest (Bd. Iancu de Hunedoara 54B) · Delivering End to End IT Consulting Services - From Team Augmentation and Dedicated Teams to Custom Software Development
· We deliver scalable enterprise systems, intelligent automation frameworks, and digital transformation platforms · Cross-industry experience by sustaining global players in BSFI (Banking, financial services and insurance), Telecom,Retail & E-commerce, Energy and Utilities, Automotive, Manufacturing, Logitics, High Tech · Global Presence: Switzerland, Germany, Austria, Sweden, Hungary, Slovakia, Serbia, Romania, and Indonesia · International team of 500+ software engineers · Strategic partnerships: Microsoft Cloud Certified Partner, Tricentis Solutions Partner in Test Automation and Test Management, Creatio Exclusive Partner, Doxee Implementation Partner · Powered by cutting-edge technologies: AI, Data & Analytics, Cloud, DevOps, IoT, and Test Automation. · Project beneficiaries ranging from large-scale enterprises to startups · Stable growth and revenue increase year over year, a resilient organisation in volatile IT market conditions · Quality-first mindset, culture of innovation, and long-term client partnerships · Global and local reach – trusted by key industry players in Europe and the US

• Design, develop, test, and maintain cross-platform mobile applications using React Native and Expo. • Define and evolve mobile application architecture, including navigation, state management, and reusable components. • Integrate mobile applications with REST APIs and backend services • Implement authentication, authorization, secure data storage, and session management. • Develop features using native capabilities such as location, camera, push notifications, and device storage. • Handle offline scenarios, caching, and data synchronization. • Optimize application performance, stability, and resource usage. • Troubleshoot and resolve defects, crashes, and platform-specific issues. • Write and maintain unit and UI tests. • Lead code reviews and contribute to mobile coding standards and best practices. • Use GitHub Copilot and other approved AI-assisted development tools to improve productivity, while ensuring code quality and correctness. • Mentor mid-level and junior developers and collaborate with Product, QA, and Backend teams.

• At least 6 years of professional software development experience, of which at least 4 years with React Native. • Practical experience with Expo and the Expo ecosystem. • Very good knowledge of JavaScript and TypeScript. • Good understanding of React concepts, hooks, component architecture, and state management (e.g. Redux Toolkit, Zustand, React Query). • Experience with mobile navigation, local storage, and asynchronous data handling. • Good understanding of iOS and Android platform differences and the mobile application lifecycle. • Experience integrating with REST APIs and implementing authentication and secure storage. • Experience with debugging and performance optimization of mobile applications. • Experience with mobile testing tools (e.g. Jest, React Native Testing Library). • Practical experience using GitHub Copilot or similar AI-assisted development tools, while maintaining responsibility for code quality and correctness. • Experience with Git and code review processes. • Good communication, collaboration, and mentoring skills