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Arpan

Indiaarpanmaity@gmail.comin/Arpanarpanx.vercel.app

SUMMARY

Experienced software developer proficient in Python, JavaScript, TypeScript, and React, with a strong foundation in DevOps. Skilled in building scalable web and real-time applications, with expertise in payment gateway integrations, microservices, and system optimizations.

EXPERIENCE

Junior Backend Engineer

MegaLLM

December 2025 - Present
Remote (BLR, India)
  • Developed backend services in Go powering the native macOS application
  • Architected microservices with NATS for inter-service messaging

AI/ML Engineer

Tryzent Technologies

July 2025 - December 2025
Remote (Delhi, India)
  • Built a document extraction pipeline using LlamaIndex to assist GST filings by extracting key data from invoices and bank statements
  • Developed an AI tool using LangGraph & LlamaCloud to analyze bulk resumes against job description generate ATS-based rankings
  • Built a real-time face recognition attendance system with FastAPI, InsightFace, and YOLOv11 that automated classroom roll calls achieving 99.3% recognition accuracy
  • Developed an AI-powered multilingual audio processing pipeline using Python, PyTorch, and state-of-the-art models (Whisper, IndicConformer, MMS-LID, PyAnnote) that automatically transcribes and translates multi-speaker conversations in English, Hindi, and Punjabi, improving processing accuracy through intelligent speaker diarization and language detection
  • Built a real-time meeting translator desktop app using Electron and Azure Speech SDK that enables multilingual meeting participation through live transcription overlays

Founder

Mysty

February 2025 - June 2025
Remote
  • Served a small user base (1M+ users, 100+ orgs) with scalable, high-performance architecture
  • Tech stack used: discord.py, PostgreSQL, websockets, Tortoise-ORM, Redis, Docker & more
  • Integrated Discord Oauth2 for user login on web dashboard using FastAPI, JWT & PostgreSQL
  • Payment gateways integrated: Stripe, Oxapay and Paypal
  • Dashboard built on Next.js, FastAPI and Websockets with Webhooks to receive payments from the payment gateways

Co-Founder

Quotient

September 2020 - April 2025
Remote
  • Served a large user base (10M+ users, 15k+ orgs) with scalable, high-performance architecture
  • Tech stack used: discord.py, React, FastAPI, PostgreSQL, websockets, Tortoise-ORM & more
  • Integrated Discord Oauth2 for user login on web dashboard using FastAPI, JWT & PostgreSQL
  • Payment gateway integrated: PayuMoney Payment Gateway
  • Built an OCR and Image hashing microservice using Pytesseract, Imagehash, PIL (handles 100k+ hits/month)

Founder

Flantic

March 2021 - March 2023
Remote
  • Served a large user base (55M+ users, 200k+ orgs) with scalable, high-performance architecture
  • Tech stack used: discord.py, PostgreSQL, websockets, Tortoise-ORM & more
  • Payment gateway integrated: Razorpay Payment Gateway
  • Horizontally scaled the bot up to 200k servers using PM2

EDUCATION

PRIVATE & CONFIDENTIAL

High School · Kolkata · 2025

SKILLS

Languages: Python, JavaScript, TypeScript, HTML, CSS, SQL.
Library/Frameworks: React, Next.js, TailwindCSS, FastAPI, Express, Tortoise-ORM, websockets, discord.py, Electron
AI/LLM Frameworks: LangChain, LlamaIndex, LangGraph, Hugging Face, OpenAI API.
Database: PostgreSQL, MongoDB.
DevOps: Sentry, Prometheus, Grafana, Loki, Docker, Kubernetes, Jenkins.
Others: Redis, Nginx, Caddy, Traefik, Kafka, Amazon S3, Cloudflare R2.

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