Harshit S.

I'm a Full-Stack engineer with 4+ years of hands-on experience architecting, building, and deploying full-stack web applications from conception to production. My expertise spans both front-end and back-end development, with specialized knowledge in computer networking, cybersecurity, and web-based animation. Core Technical Expertise: My proven skills include JavaScript, Python, PHP, HTML5, and CSS, as well as modern frameworks and tools such as React.js, Next.js, Node.js, Express.js, Tailwind CSS, Firebase, Flask, FastAPI, AWS, Web Sockets for real-time communication, and Payment integration. I also specialize in emerging technologies, including AI Integration, Browser Extensions, Progressive Web Apps (PWAs), Selenium automation, and Data Scraping/Monitoring systems. What do I Deliver? Front-End Development: I create responsive, high-performance websites and applications with eye-catching UI/UX and seamless user experiences. I build scalable React.js applications, modern Next.js projects, and custom HTML/CSS implementations optimized for speed and accessibility. Back-End Development: I design and deploy robust APIs and server infrastructure using Node.js and Python. I architect efficient data management solutions and ensure databases perform at scale. Real-Time & Interactive Solutions: I develop Web Socket-powered applications for instant communication and engagement. I've created Web-based games and interactive experiences that keep users engaged. Automation & Integration: I build browser extensions that extend functionality, create data scraping and monitoring systems that work reliably 24/7, and develop automation scripts that eliminate tedious manual processes. Why Choose Me? I don't just code. I solve problems. I approach every project with a focus on scalability, security, and user experience. My background combines technical depth with a practical understanding of real-world constraints and requirements. I deliver solutions that work today and scale tomorrow. Verified Portfolio: For detailed examples of my work across all categories above, visit my GitHub and Upwork project history.