The latest articles on DEV Community by Vaibhav Oberoi (@vaibhhav7860). https://dev.to/vaibhhav7860 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3741440%2F6db0a194-a26e-48bd-ac58-c3cd892606c8.png https://dev.to/vaibhhav7860 en Vaibhav Oberoi Fri, 30 Jan 2026 08:56:58 +0000 https://dev.to/vaibhhav7860/how-i-build-scalable-backend-systems-using-python-34go https://dev.to/vaibhhav7860/how-i-build-scalable-backend-systems-using-python-34go <p>Hi, I’m Vaibhav, a freelance Fullstack developer.</p> <p>I help startups and businesses build scalable, secure, and high-performance<br> backend systems using Python and modern databases.</p> <h3> What I Do as a Backend Developer </h3> <ul> <li>Build REST APIs using python </li> <li>Design scalable backend architectures</li> <li>Integrate databases like MongoDB and PostgreSQL</li> <li>Optimize backend performance and security</li> </ul> <h3> Why Startups Work With Me </h3> <ul> <li>Clean and maintainable backend code</li> <li>Focus on scalability from day one</li> <li>Clear communication and fast delivery</li> </ul> <h3> Tech Stack I Use </h3> <ul> <li>Python</li> <li>JavaScript</li> <li>HTML</li> <li>CSS</li> <li>ReactJS</li> <li>NextJS</li> <li>Django</li> <li>FastAPI</li> <li>Flask</li> <li>Pandas</li> <li>NumPy</li> <li>Matplotlib</li> <li>Requests</li> <li>Beautiful Soup</li> <li>TensorFlow</li> <li>Keras</li> <li>Scrapy</li> <li>PostgreSQL</li> <li>MongoDB</li> <li>MySQL</li> <li>Flyway</li> <li>Redis</li> <li>Docker</li> <li>Git</li> <li>Linux</li> <li>REST API</li> <li>WebSocket</li> <li>GraphQL</li> <li>Kafka</li> <li>Google Cloud</li> <li>AWS</li> </ul> <h3> Looking to Hire a Backend Developer? </h3> <p>If you’re a startup or business looking for a freelance full stack developer, backend developer,<br> you can check my portfolio here:</p> <p>👉 <a href="https://vaibhavoberoi.com" rel="noopener noreferrer">https://vaibhavoberoi.com</a></p> <p>Feel free to connect with me on LinkedIn or reach out via my website.</p> backend python webdev freelance