# Muhammad Usman Sadiq > React | React native | Mobile application developer | JavaScript Developer | React Native Mobile application | Express.js | Node.js | Mongo db | MERN Location: Central Point, Oregon, United States Profile: https://flows.cv/muhammadusmansadiq • Full Stack Mern Developer with over three years of experience delivering scalable web applications across fintech and enterprise domains, with strong foundations in modern front-end engineering and backend service development. • Currently working at Corpay, a global corporate payment and fintech organization, building responsive and high-performance user interfaces using React.js and implementing modern UI/UX best practices. • Strong background in building RESTful APIs, integrating GraphQL services, and designing secure authentication flows for high-traffic financial applications. • Experienced in implementing modern UI architectures using React.js, Redux, Bootstrap, and Tailwind CSS to deliver accessible and performance-optimized applications. • Proficient in designing modular backend systems using Spring Framework, Hibernate, and event-driven integrations, while following Agile software development practices. • Hands-on experience optimizing application performance, improving code maintainability, and collaborating with cross-functional product and engineering teams. • Technically grounded in version control, build tooling, testing frameworks, and modern development workflows that support enterprise-scale production environments. ## Work Experience ### Software Developer @ Corpay Jan 2025 – Present | Oregon, United States • Designed and developed scalable, responsive frontend applications using React.js, integrated with Node.js backend services for enterprise-level corporate payment systems. • Built and maintained RESTful APIs for payment processing, transaction validation, and secure vendor integrations. • Implemented Hibernate ORM to manage efficient object-relational mapping and structured database operations. • Developed high-performance frontend interfaces for financial dashboards and admin workflows, ensuring a smooth and optimized user experience. • Integrated GraphQL and REST APIs to enable real-time payment processing and account data retrieval. • Implemented secure authentication and session management aligned with fintech security standards. • Wrote unit and integration tests to ensure backend reliability and application stability. • Collaborated with DevOps teams to support CI/CD pipelines and streamline deployment processes. • Designed and developed scalable, responsive frontend applications using React.js, integrated with Node.js backend services for enterprise-level corporate payment systems. • Built and maintained RESTful APIs for payment processing, transaction validation, and secure vendor integrations. • Implemented Hibernate ORM to manage efficient object-relational mapping and structured database operations. • Developed high-performance frontend interfaces for financial dashboards and admin workflows, ensuring a smooth and optimized user experience. • Integrated GraphQL and REST APIs to enable real-time payment processing and account data retrieval. • Implemented secure authentication and session management aligned with fintech security standards. • Wrote unit and integration tests to ensure backend reliability and application stability. • Collaborated with DevOps teams to support CI/CD pipelines and streamline deployment processes. ### Front-End Developer @ Technology Brainz Jan 2022 – Jan 2024 | Lahore District, Punjab, Pakistan • Developed and maintained scalable web applications using React.js and Next.js to deliver user-focused digital experiences. • Designed responsive UI components using Bootstrap and Tailwind CSS to ensure cross-device compatibility and accessibility. • Integrated RESTful APIs to enhance functionality across e-commerce and service-based platforms. • Implemented Redux for structured state management and predictable frontend application behavior. • Optimized frontend performance through code splitting, lazy loading, and efficient component structuring. • Collaborated closely with UI/UX designers to translate wireframes into production-ready interfaces. • Assisted in implementing SEO best practices and accessibility standards to improve web visibility and usability. • Participated in code reviews and Agile sprint cycles to ensure high-quality and maintainable code delivery. • Maintained version control workflows using Git and supported build processes through Webpack and Babel. ## Education ### Bachelor of Science - BS in Information Technology Government college university Faisalabad ## Contact & Social - LinkedIn: https://linkedin.com/in/muhammad-usman-sadiq-451ba4202 --- Source: https://flows.cv/muhammadusmansadiq JSON Resume: https://flows.cv/muhammadusmansadiq/resume.json Last updated: 2026-04-18