Senior Mobile Engineer
Qualysoft, a Vienna-founded IT consulting firm with a Bucharest office, is hiring a Senior Mobile Engineer to design, build, and maintain cross-platform mobile apps with React Native and Expo, integrating REST APIs, optimizing performance, and mentoring junior developers.
- Compensation
- Not disclosed
- Location
- Bucharest
- Work setup
- Hybrid
- Seniority
- Senior
- Employment
- Not specified
- Experience
- 4+ years
- Category
- Mobile
- Posted
Skills
Must have
- At least 6 years of professional software development experience
- At least 4 years of experience 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 code quality
- Experience with Git and code review processes
- Good communication, collaboration, and mentoring skills
Full description
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
Responsibilities
- 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.