Areeb S, Z is a Software Engineer with over two years of experience building scalable mobile and backend systems across startup and enterprise environments. He specializes in cross-platform mobile development using React Native, delivering feature-rich applications for both Android and iOS while ensuring responsive UI implementations and optimized performance across different devices. On the backend, he develops APIs and microservices using Node.js, Express, and FastAPI, integrating secure authentication mechanisms such as API key–based access control and designing reliable backend architectures. Areeb has strong experience working with databases including PostgreSQL and SQL while leveraging tools like Prisma ORM to design optimized schemas and manage data efficiently. He is also experienced in deploying and maintaining production systems using Docker and AWS, as well as configuring domains and integrating third-party services for features such as payments, crypto wallet services, and external APIs. His development workflow includes version control with Git, backend scripting with Python and JavaScript, and contributions to SDK development for npm and PyPI to support third-party integrations. With hands-on experience optimizing codebases, upgrading frameworks, implementing Figma designs, and improving system performance through refactoring and API optimization, he consistently delivers reliable, maintainable, and production-ready software solutions across mobile and backend platforms.