Lead Software Engineer, React / React Native

Software Mind

full-time

Posted on: 9/24/2025

Origin: • 🇷🇴 Romania

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Senior

AndroidCypressiOSJavaScriptNext.jsReactReact NativeTypeScript

About the role

Develop and maintain React.js web applications and React Native mobile applications for a national gaming operator.
Implement server-side rendering, API routes, and authentication using Next.js.
Integrate native modules and optimize mobile performance for iOS and Android.
Apply TypeScript best practices and ensure type safety across codebase.
Build, secure, and optimize RESTful APIs and real-time features using WebSockets.
Follow Test-Driven Development with Vitest and Cypress; write unit and end-to-end tests.
Collaborate within cross-functional engineering teams and participate in code reviews.
Contribute to performance optimizations, architecture decisions, and mentor other engineers.
Support project goals of responsible gaming, player protection, fraud prevention, and development of Lucky, Casino, and Betting games.
Participate in international projects and occasional business trips.

React.js (8+ years): Deep understanding of React.js fundamentals, including component life-cycles, hooks, state management strategies, and performance optimizations.
React Native: Hands-on experience developing and maintaining mobile applications, integrating native modules, and optimizing performance for iOS and Android platforms.
Next.js: Hands-on experience with server-side rendering, API routes, authentication strategies, and performance tuning.
Proficient with Tailwind CSS, CSS Modules, and component libraries such as DaisyUI or similar UI libraries.
TypeScript: Strong knowledge of TypeScript, including custom types, generics, utility types, and type safety best practices.
Experience working with RESTful APIs - building, securing, and optimizing for performance.
Familiarity with real-time communication via native WebSocket APIs or third-party libraries.
Practical experience with Test-Driven Development (TDD) using tools like Vitest and Cypress for unit and end-to-end testing.
Comfortable working with modern development tools such as Git, Jira, and Confluence.
Strong verbal and written communication skills in English.