Performance-driven Backend and Systems Engineer experienced in architecting resilient distributed services, deterministic financial engines, and low-level cryptographic systems.
- 🛡️ Defense Research: Former Intern at DRDO (Scientific Analysis Group) — ported NIST CRYSTALS-Kyber (ML-KEM) post-quantum lattice algorithms to resource-constrained ESP32 microcontrollers (<512 KB SRAM).
- ⚙️ Production Backend & SecOps: Engineered REST APIs across 25+ endpoints with Django/Node.js/PostgreSQL for 1,000+ users, hardened Debian Linux VPS via
iptables,UFW,Fail2ban, and Nginx reverse proxies. - 🔬 Research (Under Review): Author of "Integrating Vedic Mathematics in Post-Quantum Cryptography" (Presented at National Conference IKVI 2025) — optimized polynomial Ring-LWE multiplication cycle counts by 34% on embedded hardware.
- 🏆 Hackathon Winner: 1st Place at Internal Smart India Hackathon 2025.
- 🧩 Algorithms: 220+ LeetCode & CodeChef problems solved (97% C++ Skill Assessment, ~59% acceptance rate).
| Organization | Role | Highlights |
|---|---|---|
| Robotic Sir AI India | Backend Developer & Server Security Engineer | • Engineered production REST APIs across 25+ endpoints (Django/Node.js/PostgreSQL) for 1,000+ users. • Hardened Debian VPS using Fail2ban SSH jailing, iptables/UFW, and Nginx proxy.• Reduced p95 response times by 35% via DB indexing and relational schema normalization. |
| Scientific Analysis Group (DRDO) | Research Intern (Post-Quantum Cryptography) | • Deployed reference NIST CRYSTALS-Kyber (ML-KEM) on resource-constrained ESP32 microcontrollers. • Eliminated dynamic heap allocations ( malloc/free) using in-place SRAM scratchpads (<512 KB).• 100% pass rate across 1,000+ NIST Known Answer Test (KAT) vectors. |
| Nari Vastaram | Freelance Full-Stack Developer | • Built production MERN platform managing 50+ SKUs with payment gateway workflows. • Achieved 99.9% uptime on a custom Linux VPS with zero deployment downtime. |
💳 Follope — Invoicing & Real-time Payment Engine
Stack:
TypeScript•Node.js•Express•PostgreSQL•Prisma•Redis•UPI
- Deterministic Math: Architected server-authoritative financial calculation engine using integer-paise arithmetic, eliminating IEEE-754 floating-point errors across invoices.
- Anti-IDOR Security: Secured public invoice endpoints via collision-resistant CUID tokens to prevent private ledger enumeration.
- Webhook Integrity: Integrated NPCI-compliant UPI QR generation and HMAC-SHA256 signature verification to prevent tampering on callback payloads.
- Daemon Services: Background sweep worker dispatching push notifications via Expo Push API and transactional OTP receipts via NodeMailer.
♻️ WasteEx — Industrial Circular Economy B2B Platform
Stack:
TypeScript•Node.js•MongoDB•Socket.IO•Web3 Escrow•Cloudinary
- Full-stack B2B marketplace for industrial materials trading with live negotiation channels over WebSockets (
Socket.IO). - Implemented smart contract escrow mechanisms for trustless payment milestones alongside media pipelines.
- 🔗 Live Demo • 💻 Source Code
🏫 School Management System (ERP) — Enterprise RBAC Platform
Stack:
TypeScript•Node.js•Express.js•MySQL•JWT•RBAC
- Built an educational ERP managing administrators, instructors, and 1,000+ active student records.
- Normalized relational database schemas in MySQL with state-machine-driven fee invoicing and grading pipelines.
- 💻 Source Code
"Deterministic logic, cryptographic rigor, and zero-trust engineering."
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