Senior React Native Developer

Senior React Native Developer

Endava

Warsaw, Poland

Responsibilities:

• Develop and implement high-performance React Native applications.
• Write reusable, testable, and efficient code that aligns with best practices in React Native development.
• Work with backend APIs, authentication systems, and media streaming services to integrate robust and scalable solutions.
• Optimize app performance for smooth streaming, low latency, and efficient memory usage.
• Analyze application health, performance metrics, and troubleshoot critical issues.
• Collaborate closely with product, UX/UI, and backend teams to ensure seamless cross-platform functionality.
• Work in an agile (Scrum/Kanban) environment, ensuring timely and high-quality deliverables.

Qualifications

• 5+ years of experience in React Native/React development.
• Strong understanding of engineering principles and best practices in mobile application development.
• Experience developing and deploying applications in a cloud-native environment.
• Strong background in state management (Redux, Recoil, Zustand, or similar).
• Expertise in unit and integration testing frameworks (Jest, React Testing Library, Detox, etc.).
• Familiarity with CI/CD pipelines, Git workflows, and release management for mobile apps.
• Experience working in agile environments (Scrum, Kanban).
• Strong communication skills with the ability to engage technical and non-technical stakeholder.

Nice to have

• Experience with financial apps, wallets, etc.
• Experience with Backend-for-Frontend (BFF) architectures and GraphQL.
• Knowledge of server-side technologies such as Node.js or Python.
• Exposure to PostgreSQL, NoSQL, or graph databases.
• Experience with Docker and Kubernetes for containerized deployments.