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I am an experienced React Native developer with over 6 years of expertise in building and deploying high-quality mobile and web applications across diverse industries such as banking, food delivery, and social media. I am skilled in React, Node.js, and Micronaut (Java), with strong proficiency in state management, API integration, and tools like GraphQL, Elasticsearch, and Sentry. I am adept at publishing apps on Google Play Store, Apple App Store, and Huawei AppGallery, focusing on performance optimization and seamless user experiences. I am passionate about leveraging cutting-edge technologies to solve complex problems and deliver impactful solutions. My commitment to continuous learning and collaboration has driven successful app launches, robust backend development, and efficient microservices architecture, ensuring both client satisfaction and scalable operations.…I am an experienced React Native developer with over 6 years of expertise in building and deploying high-quality mobile and web applications across diverse industries such as banking, food delivery, and social media. I am skilled in React, Node.js, and Micronaut (Java), with strong proficiency in state management, API integration, and tools like GraphQL, Elasticsearch, and Sentry. I am adept at publishing apps on Google Play Store, Apple App Store, and Huawei AppGallery, focusing on performance optimization and seamless user experiences. I am passionate about leveraging cutting-edge technologies to solve complex problems and deliver impactful solutions. My commitment to continuous learning and collaboration has driven successful app launches, robust backend development, and efficient microservices architecture, ensuring both client satisfaction and scalable operations.

Usman Khalil

Full Stack Developer, Developer, App Developer

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I am an experienced React Native developer with over 6 years of expertise in building and deploying high-quality mobile and web applications across diverse industries such as banking, food delivery, and social media. I am skilled in React, Node.js, and Micronaut (Java), with strong proficiency in state management, API integration, and tools like GraphQL, Elasticsearch, and Sentry. I am adept at publishing apps on Google Play Store, Apple App Store, and Huawei AppGallery, focusing on performance optimization and seamless user experiences. I am passionate about leveraging cutting-edge technologies to solve complex problems and deliver impactful solutions. My commitment to continuous learning and collaboration has driven successful app launches, robust backend development, and efficient microservices architecture, ensuring both client satisfaction and scalable operations.…I am an experienced React Native developer with over 6 years of expertise in building and deploying high-quality mobile and web applications across diverse industries such as banking, food delivery, and social media. I am skilled in React, Node.js, and Micronaut (Java), with strong proficiency in state management, API integration, and tools like GraphQL, Elasticsearch, and Sentry. I am adept at publishing apps on Google Play Store, Apple App Store, and Huawei AppGallery, focusing on performance optimization and seamless user experiences. I am passionate about leveraging cutting-edge technologies to solve complex problems and deliver impactful solutions. My commitment to continuous learning and collaboration has driven successful app launches, robust backend development, and efficient microservices architecture, ensuring both client satisfaction and scalable operations.

Available to hire

I am an experienced React Native developer with over 6 years of expertise in building and deploying high-quality mobile and web applications across diverse industries such as banking, food delivery, and social media. I am skilled in React, Node.js, and Micronaut (Java), with strong proficiency in state management, API integration, and tools like GraphQL, Elasticsearch, and Sentry. I am adept at publishing apps on Google Play Store, Apple App Store, and Huawei AppGallery, focusing on performance optimization and seamless user experiences.

I am passionate about leveraging cutting-edge technologies to solve complex problems and deliver impactful solutions. My commitment to continuous learning and collaboration has driven successful app launches, robust backend development, and efficient microservices architecture, ensuring both client satisfaction and scalable operations.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Full Stack Developer at Sapiyon (Remote)

December 31, 2021 - September 4, 2025

Successfully deployed and published Android, iOS, and Huawei apps to the Google Play Store, Apple App Store, and Huawei AppGallery. Implemented a live tracking system using React Native Maps for real-time location updates. Designed and developed a comprehensive Request, Quotation, Invoice, and Expense Management System to streamline business operations. Built a stock tracking system monitoring inventory across multiple warehouses ensuring efficient resource management. Conducted thorough beta testing using TestFlight and Android Beta Channel ensuring high-quality releases. Utilized React Redux for transient state management for seamless user interactions. Integrated key libraries including React Navigation, Firebase, FeatherJS, React Native Camera. Implemented unit testing with Jest and React Native Testing Library achieving high code reliability. Deployed CodePush for over-the-air updates enabling quick fixes and feature rollouts without app store resubmission.

MERN Stack Developer at House of Techies (Remote)

January 1, 2023 - Present

Developed a restaurant app for Platerate that receives real-time orders, prints customized kitchen and customer receipts, and supports Google/Apple Pay integration ensuring seamless payments. Implemented a feature allowing restaurants to pause and play menu items in real-time to manage out-of-stock items efficiently. Built a diner app enabling users to place orders, track food delivery status, and earn credits redeemable for free meals. Integrated Stripe and PayPal for secure and flexible payment processing. Utilized Elasticsearch for efficient real-time search functionality across menu items and orders. Ensured robust error tracking and debugging using Sentry and LogRocket. Designed and developed a social app where users can subscribe to and follow other users fostering community engagement. Enabled users to upload profile pictures and interact through likes, shares, and comments on posts. Leveraged Firebase for authentication, database management, and app analytics. Integrated unit t

Tech Lead – MERCHANT LOAD APP at National Australia Bank (NAB)

January 1, 2023 - Present

Led the development of the NAB frontend web application using React, ensuring a secure and seamless user experience. Built robust microservice APIs with Micronaut (Java) to support secure and scalable backend functionality. Managed multiple Git repositories for the project maintaining code consistency across teams and modules. Implemented comprehensive unit testing strategies using React Testing Library and JUnit 5 to ensure high code quality and coverage. Integrated GraphQL for efficient data querying and real-time updates in the application. Collaborated with cross-functional teams in daily stand ups and meetings to align on project milestones and address challenges. Reviewed and raised GitHub PRs daily to ensure adherence to best practices and maintain code quality. Utilized Elasticsearch for efficient and scalable search functionality within the application. Automated deployment pipelines with CI/CD tools ensuring smooth and rapid application delivery.