serhiiand
Senior React Native Engineer
Summary
Senior React Native Engineer with 5+ years of experience building and scaling
high-quality mobile applications across finance, healthcare, and commercial
domains. Proven track record of leading development from concept to production,
including launching an app from scratch to 10k+ users.
Strong expertise in performance optimization, modular architecture, and
cross-platform development using React Native (Expo & bare workflow).
Experienced in integrating AI-assisted development tools into production workflows
to accelerate delivery while maintaining high standards of code quality, reliability, and
scalability.
Experience: 6 years
Yearly salary: $80,000
Hourly rate: $40
Nationality: 🇺🇦 Ukraine
Residency: 🇺🇦 Ukraine
Experience
React Native Engineer
Grid Dynamics 2021 - 2024
Developed and maintained production-level mobile and web applications using React and React Native. Implemented new features used by real-world users across multiple domains (finance, healthcare, commercial). Refactored legacy codebases to modern standards, improving maintainability and performance. Participated in architecture design discussions, contributing to scalable and reusable solutions. Collaborated with cross-functional teams (backend, design, product) to deliver high-quality features. Conducted code reviews and ensured adherence to best practices. Debugged complex issues and improved application stability and performance. Contributed to internal React Native internship program.
Skills
react-native
english