Anay Gupta
Software Engineer
Software Engineer building production backends, mobile apps, and business software with Python and TypeScript. Freelance work includes RankYodha's learning platform, SpunTech's manufacturing system, and BHIMS' fitness-club operations. Previously built MegaLLM's API gateway and billing systems.
Work Experience
- Payments processed
- $15K+
- Transactions
- 1,500+
- L0 cache hit rate
- >95%
- Hot-path latency
- 2–4 ms
- •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.
- Google Play downloads
- 1K+
- Store rating
- 4.9/5
- Ratings
- 67
- •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.
SpunTech Industries
Full-Stack Engineer · Freelance
- •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.
- •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.
- •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
Projects
Govt. Pre Sabka AI Hackathon — 1st Position
Award-winning full-stack personal safety platform with real-time GPS tracking, AI distress detection, geofenced safe zones, covert duress-password flow, and a government dashboard for jurisdiction-based emergency response.
- Won 1st Position at the Govt. Pre Sabka AI Hackathon
- Built the FastAPI + PostgreSQL backend with JWT (httpOnly cookies), bcrypt, SQLAlchemy ORM, SlowAPI rate limiting, and Sentry error tracking
- Implemented a 5-second cancellable SOS countdown with parallel dispatch to SMS, WhatsApp, email, and voice via Twilio, plus token-based public live-tracking pages
- Integrated multi-provider AI — Whisper/Deepgram for transcription, Claude (via MegaLLM) for distress analysis, Azure OpenAI Realtime for the AI Safety Call feature, and ElevenLabs for TTS
- Shipped geofencing with Haversine calculations to auto-start/stop walk sessions, plus a Next.js 15 PWA frontend with Leaflet maps and Zustand state
HackHelix Hackathon
Real-time Indian Sign Language accessibility layer for audio calls, built at the HackHelix hackathon as backend engineer on a team of four. Speech is rendered as a signing 3D avatar, and signs are recognised and spoken back.
- Built the ISL grammar engine: SOV reordering, topic fronting and non-manual markers, then pose lookup against a 500-sign database
- Trained a 43-class LSTM on webcam-collected MediaPipe landmarks for camera-based sign recognition
- Wired Whisper STT and ElevenLabs TTS on the edges of the pipeline over FastAPI WebSockets
- Shipped as a React + Three.js avatar app and a Chrome extension overlay
Personal Project
Developed a Django-based platform for conducting quizzes and mock exams with secure login and result tracking.
- Implemented instant scoring, answer review, and an admin panel for managing tests, questions, and users
Public Project
Developed and deployed a multifunctional Discord bot with automation, moderation, and engagement features.
- Built REST APIs and a Flask-based Card Graphics API for dynamic profile cards and leaderboards
- Scaled the system to 635 guilds and 1.3M+ users while maintaining reliable backend performance
Education
B.E. in Computer Science
Thapar Institute of Engineering & Technology
Higher Secondary School (77.2%)
SSD Krishna Vatika School
Secondary School (81.8%)
Bishop Cotton School
Technical Skills
Languages
Databases
Backend
Frontend
Mobile & Optimization
Cloud & DevOps
Observability
Core CS
Tools
Problem Solving & Competitive Programming
Regular practice on LeetCode and hackathons, focusing on problem-solving with Data Structures & Algorithms.
Proficient in arrays, strings, hash tables, linked lists, stacks, trees, tries, sorting, dynamic programming, divide & conquer, and bit manipulation. Strong foundation in applying algorithmic techniques to solve real-world problems efficiently.