Rishabh Bihari Saxena

About Rishabh Bihari Saxena

Experienced Mobile App Developer with 6.8 years of expertise in building cross-platform apps using React Native and native Android (Java/Kotlin). Proficient in developing scalable, user-friendly mobile applications with clean architecture and optimized performance. Skilled in RESTful API integration, Firebase, Redux, Context API, and push notifications. Hands-on experience with app deployment to Play Store and App Store. Strong understanding of mobile UI/UX design, debugging, and agile methodologies. Proven ability to deliver high-quality apps across domains including e-commerce, fintech, and health-tech. Passionate about clean code, continuous learning, and building solutions that enhance user experience. In the past few years, my primary focus has been on React Native – building cross-platform apps for both Android and iOS that offer native performance and rich user experiences.Skills-Mobile App Development: React Native (iOS & Android), Native Android (Java, Kotlin)Frameworks & Libraries: Redux, Context API, React Navigation, Axios, Jetpack, Dagger, Retrofit, GlideState Management: Redux, MobX, Context API, HooksDatabase Management: SQLite, Realm, Room, Firebase Realtime DB, FirestoreAPI Integration: RESTful APIs, GraphQL (basic), third-party SDKsDev Tools: Android Studio, VS Code, Git, Bitbucket, JIRA, Postman, Charles ProxyTesting: Unit testing, Manual testing, Debugging, Crashlytics, LogcatDeployment: Google Play Console, App Store ConnectVersion Control: Git, GitHub, Bitbucket, GitLabAgile Methodology: Scrum, Sprint planning, Retrospectives, Daily stand-upsStrengths and Personal Qualities-Analytical Thinking: Quick to identify root causes of bugs, performance bottlenecks, or UX issues.Adaptability: Comfortable switching between tech stacks (React Native ↔ Android) and adopting new libraries or tools.Collaboration: Strong team player, works well with product, design, backend, and QA teams.Communication: Able to explain complex technical concepts in a simple, clear manner.Ownership: Takes full responsibility for the features owned – from requirement gathering to final deployment and support.Attention to Detail: Prioritizes clean, efficient code and ensures high UI consistency across platforms.

Experience

1. Senior Software Engineer

   HCLTech

   Mar 2023 — Present · Noida, IN

   Designed and developed cross-platform mobile applications using React Native and native Android (Java/Kotlin).Built reusable components, optimized performance, and ensured responsiveness across devices and OS versions.Followed clean code principles, modular architecture, and scalable app structure.Integrated RESTful APIs and GraphQL endpoints for real-time data operations and dynamic content rendering.Handled secure authentication flows (JWT, OAuth) and data encryption for sensitive user data.Used Redux, Context API, and React Hooks for predictable and scalable state management.Implemented offline data persistence using SQLite, Realm, and AsyncStorage.Converted high-fidelity UI/UX mockups into functional, pixel-perfect mobile screens.Followed platform-specific design principles (Material Design for Android, HIG for iOS).Created and integrated custom native modules in Kotlin/Java for features like camera access, file uploads, and biometric authentication.Conducted unit testing and UI testing to ensure high-quality releases.Used tools like Logcat, Flipper, Crashlytics, and Charles Proxy for debugging and issue resolution.Deployed applications to Google Play Store and Apple App Store with versioning, beta testing, and crash tracking.Handled OTA updates using CodePush and Firebase App Distribution.Successfully delivered 15+ mobile applications for clients across e-commerce, healthcare, edtech, and fintech domains.Reduced application crashes by 40% through effective use of error boundaries, memory management, and crash analytics.Improved app loading speed by 60% by optimizing bundle size, lazy loading, and selective rendering.Increased user retention by 30% by integrating push notifications, in-app messages, and seamless navigation.Migrated a large codebase from class components to functional components with hooks, improving maintainability and performance.

Education

• Theosophical Enter College Etawah

  High School Diploma, Mathematics

• Chatrapati Sahuji Maharaj Kanpur University, Kanpur

  Bachelor of Science - BS, Mathematics

• Shivaji Shiksha niketan

  Intermediate, Mathematics

• Banaras Hindu University

  Master of Computer Applications - MCA, Computer Science

  2015 — 2018