Work Experience

Backend engineering and freelance work for learning platforms, factories, and fitness clubs

MegaLLM

Backend Engineer

Nov 2025 - June 2026
Payments processed
$15K+
Transactions
1,500+
L0 cache hit rate
>95%
Hot-path latency
2–4 ms
Stripe + Razorpay payment volume · in-memory cache performance
  • Sole engineer on the MegaLLM backend — a production OpenAI/Anthropic-compatible API gateway in front of 70+ LLMs on Hono + Bun + TypeScript with MongoDB, Redis, Kafka, and ClickHouse.
  • Designed a 3-tier cache (in-memory LRU → Redis → MongoDB) hitting >95% L0 hit rate at ~2–4ms, plus intelligent model routing with a MobileBERT classifier and 429/5xx fallback chains.
  • Shipped Stripe + Razorpay + OxaPay billing with idempotent webhooks, organization wallets, and ClickHouse credit-event streaming for usage correlation.
  • Hardened the platform with JWT + Redis blacklist, prefix-lookup API keys, 3-tier admin RBAC, and full Prometheus/OpenTelemetry/Grafana Loki observability.
megallm.io

RankYodha

Full-Stack Engineer · Freelance

2026
Google Play downloads
1K+
Store rating
4.9/5
Ratings
67
Public Google Play listing · verified 24 October 2026View Play listing ↗
  • Built a real-time JEE/NEET exam platform across Next.js, React Native, and NestJS, connecting student practice, mock tests, notes, and a dedicated mentor/admin console.
  • Engineered resumable exams and paid access with serialized answer autosave, server-enforced deadlines, versioned scoring, Razorpay webhooks, and Redis entitlement caching.
  • Developed a distributed live-quiz engine with Socket.IO and Redis leader election, plus a MinerU/BullMQ pipeline that turns exam PDFs into reviewable question drafts.
rankyodha.com

SpunTech Industries

Full-Stack Engineer · Freelance

2026
  • Built an AI-powered manufacturing platform on Azure with FastAPI, PostgreSQL, and React, connecting order intake, inventory, shop-floor production, wages, and dispatch.
  • Engineered OR-Tools CP-SAT optimization for worker/machine scheduling and container loading, handling placement constraints while preserving original cargo.
  • Integrated Azure OpenAI document extraction and natural-language database queries, turning purchase orders into structured drafts and exposing guarded, read-only factory insights.
  • Delivered offline shop-floor capture with Dexie and idempotent sync, append-only operational ledgers, and automated drawings, packing documents, and desktop printer integration.

BHIMS VENTURES

Full-Stack Engineer · Freelance

2026
  • Built and published a connected fitness app in React Native with AI fitness guidance, Android Health Connect, and workout tracking, backed by Next.js, tRPC, and PostgreSQL.
  • Integrated mobile-to-hardware access control with eSSL X990 devices, expiring entry commands, atomic claiming, and attendance synchronization.
  • Engineered Razorpay billing and loyalty infrastructure with idempotent payment/refund workflows, durable reconciliation, and transactional reward ledgers.
  • Delivered a unified club operations console for memberships, café orders, nutrition inventory, and attendance, secured by device-bound member sessions and role-based staff access.
bhimsventures.com

Surf

Co-Founder & Chief AI Engineer

Dec 2025 - Jan 2026
  • Co-founded and engineered an AI-powered meeting platform with real-time transcription and multilingual translation
  • Designed low-latency AI services using Python, FastAPI, and WebSockets for real-time audio streaming
  • Improved transcription stability through streaming optimizations and async processing pipelines
staging.shonen.live