Hi, I'm Devesh Singh
Backend-focused software engineer building scalable APIs and high-performance systems using Node.js, Python, and MongoDB
About Me
I am a backend-focused software engineer with hands-on experience building and maintaining production-grade systems. I specialize in Node.js, Express, MongoDB, and Python, and enjoy designing clean APIs, optimizing database performance, and solving real-world engineering problems. I like working on projects that scale, writing maintainable code, and continuously learning technologies that help me build better, more reliable software.
My Services
Developing responsive, high-performance web applications using modern technologies like React, Next.js, and Node.js.
Creating intuitive, visually appealing interfaces and user experiences that prioritize usability and engagement.
Designing and building robust RESTful and GraphQL APIs for seamless data communication between systems.
Deploying and managing applications on cloud platforms like AWS, Azure, Render, and Vercel for scalability and reliability.
Building tailored software solutions to meet unique business requirements and improve operational efficiency.
Providing ongoing maintenance, updates, and technical support to ensure applications run smoothly and efficiently.
My Skills
Technical Skills
GitHub Stats
Technologies & Tools
My Education
Completed a degree in Computer Science and Engineering with a focus on software development, algorithms, and data structures.
Completed senior secondary education with a focus on science subjects including Physics, Chemistry, Mathematics and Information Technology.
Completed matriculation with a strong academic record across all subjects.
Work Experience
- Built scalable backend APIs with Node.js and Express, handling 1,500+ daily requests and improving MongoDB performance by 20%.
- Integrated identity verification and payment gateway APIs, boosting onboarding by 25% and achieving 99.9% transaction success.
- Enhanced system performance with Redis caching, Docker, and Azure deployments, cutting API response times by 35%.
- Optimized backend services in Python with MongoDB, improving data retrieval speed by 40% and ensuring 99.9% uptime.
- Built RESTful APIs with Flask, cutting integration effort by 35% and streamlining workflows.
- Worked with frontend team on React.js and TailwindCSS, boosting mobile engagement by 30% and reducing load time by 20%.
- Contributed to an AI module for intelligent recipe recommendations, raising user retention by 15%.
- Deployed the app globally with CDN, achieving 40% faster load times.
My Projects

A real-time email validation API that verifies and classifies email addresses, preventing spam and improving user registration quality

A web application for managing events, allowing users to create, organize, and participate in events with features like event creation, registration, and real-time updates.