available for opportunities

Sapnendra Jaiswal

Freelancer & Full Stack Developer

Building websites for businesses

Who I Am

I build scalable web applications with a focus on backend architecture, API performance, and production-grade security. Passionate about JavaScript, C++, and the MERN Stack. I enjoy designing systems that are fast, secure, and maintainable at scale - from RESTful APIs to serverless edge workers and event-driven queues.

 Education

B.Tech - Computer Science & Engineering

Technocrats Institute of Technology, Bhopal

2021 – 2025 CGPA 8.10 / 10

Tech Stack

Languages

C++ JavaScript TypeScript

Frameworks & Libraries

Next.js React.js Express.js Node.js Tailwind CSS

Databases

MongoDB MySQL Redis

Tools & Platforms

Git GitHub Postman Figma VS Code

Auth & Security

OAuth 2.0 JWT API Rate Limiting Helmet.js

Advanced & DevOps

CI/CD Docker/Container Microservices AWS Deployment Cloudflare Workers Serverless Architecture

Work Experience

Freelance Developer

Self-Employed

March 2026 – Present

  • Designing and developing websites for local businesses, enhancing their online presence.
  • Implementing SEO strategies to improve visibility on Google and other search engines.
  • Providing ongoing support and maintenance to ensure optimal website performance.
  • Collaborating with clients from various industries, including salons, electronic stores, clinics, restaurants, etc.

Software Developer Intern

Sheryians Coding School - Bhopal

Dec 2025 – March 2026

  • Worked alongside core dev team on production systems and real-world deployments.
  • Developed and fixed UI components, improving visual consistency and responsiveness across pages.
  • Analyzed API response latency, identified bottlenecks, and documented performance findings for the team.

Featured Projects

Sapnendra.dev

Freelance Studio

  • Custom-built portfolio and freelance studio website showcasing projects, skills, and contact information.
  • Multi-role access control with public marketing site, admin console, and private client portal.
  • Client portal with project management features, file sharing, and secure messaging for streamlined communication and collaboration.
  • SEO best practices implemented with semantic HTML, meta tags, and sitemap for improved search engine visibility.
Next.js 16+ React 19 Express.js MongoDB

Developer Analytics

SaaS Platform

  • OAuth 2.0 with GitHub, LinkedIn & LeetCode APIs for unified developer stats.
  • JWT-based auth with refresh token rotation and HTTP-only cookie storage.
  • Redis caching layer for API responses - sub-100ms latency on repeated queries.
  • AI-powered skill analysis engine with automated document generation.
Next.js 16+ React 19 Express.js MongoDB Redis BullMQ AWS Deployment

Taanki Shop

Self-Branded E-Commerce Platform

  • JWT auth with HTTP-only cookies + OTP-based login for secure sessions.
  • Razorpay payment gateway integration with order lifecycle management.
  • Admin dashboard with real-time analytics, inventory, and order management.
  • Production hardened: bcrypt, Helmet.js, rate limiting & NoSQL injection prevention.
Node.js Express.js MongoDB Redis BullMQ Razorpay Cloudinary

Book Expert

Book an Expert Who Resolve Your Queries

  • Next.js frontend with fully responsive design optimized for all devices.
  • Node.js & MongoDB backend for user accounts, expert profiles, and scheduling.
  • Razorpay integration for secure, automated payment processing.
  • Admin panel for expert profile verification and approval.
  • AWS EC2 deployment with SSL security for live production.
Node.js Express.js MongoDB Redis BullMQ Razorpay Cloudinary

Highlights

Winner - Website Battle Competition

Participant - Smart India Hackathon (SIH)

Top 50 Rank - College Coding Hackathon

Get In Touch

Open to backend engineering roles, full-stack freelance work, and open-source collaborations. Feel free to reach out via any channel below - I respond quickly.