Krishna Chaudhary
Software engineer, full stack developer
About
MERN-stack engineer with end-to-end delivery across EdTech, E-Commerce, and Law-Firm platforms — from architecture to production deployment. Demonstrated 98% MongoDB latency improvement, CI/CD automation, and LLM API integration. Comfortable owning a full feature: schema design, REST API, React UI, and cloud release.
Skills & Expertise (29)
Work Experience
Software Developer
Janaki Digital Solutions Pvt. Ltd.
Apr 2026 - Present
Delivered DSA Corporate Solutions law firm platform end-to-end — React/Vite frontend, Node.js/Express REST API, MongoDB backend, JWT admin dashboard with ExcelJS exports, and full client documentation. Deployed Babylon National School portal (React/Vite on Netlify + Node.js on Render); resolved CORS, SMTP blocking, and SPA routing 404s — zero post-launch incidents. Sole developer across both client projects from requirements to handover; established reusable scaffolding adopted across team.
Full-Stack MERN Developer Intern
Calloc Technologies Pvt. Ltd.
Jan 2026 - Apr 2026
Reduced MongoDB query latency from 500ms to <10ms (98% improvement) by redesigning compound indexes and rewriting 12 aggregation pipelines on the E-Commerce platform. Shipped production E-Commerce platform (React + Node.js + Express + MongoDB Atlas) with Redux cart, JWT-secured role-based CRUD dashboard, and bcrypt auth — serving full order-to-fulfillment workflows. Built real-time multi-room chat system using Socket.io with persistent MongoDB logging, live presence notifications, and zero message loss across concurrent sessions. Delivered l'ernen EdTech LMS with Firebase Auth, Firestore progress tracking (10 modules), quiz gating, and cryptographic certificate generation — 0 post-launch auth failures. Automated CI/CD with GitHub Actions + Docker; maintained 0 credential exposure across 2,000+ LOC with .env secrets management.
Education
Diploma in Computer Science & Engineering - Acharya Institute of Technology
- · Afghanistan
Certifications
Advanced Prompt Engineering with ChatGPT
upGrad · 2026
Crash Course on Python
Google via Coursera · 2024
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Skills (29)
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