
Muhammad Umer
Modern MERN stack developer with AI data analytics and Web3
Skills

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Portfolio
Work experience
Developer
App Pilars • Freelance
Oct 2024 - Mar 2025 • 5 mos
During my tenure at App Pillars, I underwent a transformative professional evolution, transitioning from a dedicated Full Stack Developer Intern to a core Full Stack Web Developer over the course of a high-impact year. My journey began with an intensive immersion into the company’s agile ecosystem, where I initially focused on mastering front-end responsiveness and modular component design using React.js, while simultaneously refining my understanding of server-side logic and RESTful API architecture. As I transitioned into a full-time role, my responsibilities expanded to include the end-to-end ownership of complex web applications, where I architected robust back-end systems using Node.js and Express, managed scalable databases with PostgreSQL and MongoDB, and implemented secure authentication protocols like JWT. I specialized in bridging the gap between sophisticated user interfaces and high-performance server logic, ensuring that every line of code contributed to a seamless, SEO-optimized, and business-centric user experience. This experience at App Pillars equipped me with the technical rigor to handle enterprise-level challenges and a deep understanding of the full software development life cycle, from initial schema design to final deployment and maintenance, making me a highly versatile developer capable of delivering high-value solutions on the Fiverr platform.