Zaheer Ahmad

React & React Native Developer Factor | Sydney (Remote), Australia

Factor • Full time

Sep 2023 - Aug 2025 • 1 yr 11 mos

Led the development of high-quality cross-platform mobile applications (iOS & Android) using React Native Delivered scalable and performance-optimized features, ensuring smooth user experience across devices Implemented pixel-perfect UI from Figma designs, including animations and micro-interactions Integrated APIs, authentication systems, and third-party services such as payments, push notifications, and analytics Identified and resolved critical bugs and crash issues, significantly improving app stability Managed app releases, build generation, and deployment to App Store and Play Store Collaborated with cross-functional teams to deliver features efficiently in fast-paced environments Ensured clean, maintainable, and scalable code architecture through best practices and code reviews

Sr React & React Native developer Grayphite

Grayphite • Full time

Aug 2021 - Aug 2023 • 2 yrs

Led the development of scalable web and mobile applications using React, React Native, Next.js, and Node.js Designed and implemented end-to-end features across frontend and backend, ensuring seamless user experience Built and optimized high-performance applications, improving load times and overall responsiveness Architected and integrated secure APIs, authentication systems, and third-party services (payments, AI APIs, notifications) Delivered pixel-perfect, responsive UIs with modern design systems and smooth animations Identified and resolved critical production issues, significantly improving app stability and reliability Mentored junior developers and contributed to code reviews, best practices, and scalable architecture decisions Managed deployment pipelines, CI/CD, and production releases for both web and mobile platforms Collaborated with cross-functional teams to deliver features quickly in fast-paced environments

React Native developer

Triumph • Full time

Aug 2019 - Aug 2021 • 2 yrs

Developed and maintained cross-platform mobile apps (iOS & Android) used by real users, ensuring smooth performance and reliability Delivered pixel-perfect UI implementations from Figma, including animations and micro-interactions, improving overall user experience Integrated REST APIs, authentication systems, and third-party services (e.g., payments, push notifications) to enhance app functionality Identified and fixed critical bugs and crash issues, significantly improving app stability and reducing user-reported issues Optimized app performance by improving rendering, API handling, and state management, leading to faster load times Contributed to successful app releases on App Store and Play Store, including build generation and deployment support Collaborated with cross-functional teams to deliver features on time in fast-paced environments Followed best practices for clean, scalable, and maintainable code, ensuring long-term project sustainability