Backend Software Engineer · AI Engineer

Backend Software Engineer with hands-on experience owning production billing and subscription systems (Stripe, Razorpay) and building scalable backend services using Python, TypeScript, FastAPI, and REST APIs. Proven experience designing reliable, revenue-critical systems alongside real-time and AI-driven backend infrastructure on cloud platforms (AWS, Azure, GCP).

Languages          Python · TypeScript · JavaScript · C · SQL
Databases          MongoDB · PostgreSQL
Backend            FastAPI · Django · REST APIs · JWT Authentication · WebSockets
Frontend           React.js · Next.js · HTML · CSS · Tailwind CSS
Cloud & DevOps     AWS (S3, EC2, Amplify) · Azure · GCP · Docker
Core CS            Data Structures & Algorithms · Problem Solving · Competitive Programming
Tools              Git · GitHub · Linux/Unix · Stripe · Razorpay · BeautifulSoup · PIL/Pillow

Remote · Dec 2025 – Present

• Co-founded and engineered an AI-powered meeting platform supporting real-time transcription and multilingual translation.
• Designed and implemented low-latency AI services using Python, FastAPI, and WebSockets for real-time audio streaming.

Remote · Oct 2025 – Present

• Building a unified AI gateway providing access to 70+ LLMs through a single API, serving production traffic.
• Owned end-to-end billing infrastructure (Stripe + Razorpay), processing $12K+ revenue across 1,000+ transactions, implementing idempotent webhooks, atomic subscription tier upgrades, and failure-safe payment state transitions.
• Designed MongoDB schemas for users, subscriptions, payment records, and real-time usage analytics.

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Live Product

• Designed and implemented a layered FastAPI backend (routers + service layer + SQLAlchemy) backed by PostgreSQL and Redis, with production-style middleware and validation.
• Built an event-driven emergency alert system with async countdowns, persistence-backed recovery on restart, and automated notification fan-out via Twilio (SMS/WhatsApp/Voice).
• Implemented security-first authentication with JWT middleware, bcrypt hashing, duress-password login flow resistant to timing attacks, and endpoint-level rate limiting.
• Shipped location safety features including geofencing (Haversine distance), auto-start/stop walk sessions, and cryptographically secure live-tracking tokens.

GitHub

• Developed a full-stack platform using Node.js, Express, MongoDB, and Next.js to improve college enrollment through personalized recommendations.
• Implemented secure authentication, role-based access control, and REST APIs for courses and recommendations.
• Integrated interactive college maps and multilingual content delivery using translation APIs.

GitHub

• 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 backend services to 635+ guilds and 1.3M+ users, handling high-frequency events with reliable API performance and persistent storage.