👋 Hey, I'm Arjun Gupta (@Op-Vision17)

• 🎓 B.Tech CSE (Data Science) @ AKGEC, 2023–2027
• 📱 Flutter developer building full-stack mobile + AI apps
• 🤖 Working with LLMs, CrewAI agents, RAG pipelines and FastAPI backends
• 🏆 1st place – App Development, DevClash @ AKGEC
• 🎬 In free time, binge-watching Web Series & Anime

Flutter App Developer Intern – Nirvighna Services (KaamDhanda) (Dec 2025 – Mar 2026)

2 production cross-platform apps · REST API integration · 20% faster feature delivery

Frontend App Developer Intern – Neenva Innovations, IIT Roorkee (Apr 2025 – Jun 2025)

ViiSar Flutter app · Riverpod + OOP · 30% better cross-platform rendering consistency

Flutter Developer – Blockchain Research Lab, AKGEC (Dec 2024 – Present)

Blockchain apps · Agora SDK real-time voice & video · 25% fewer audio/video issues

Languages:

Technologies & Frameworks:

Tools & Libraries:

FastAPI CrewAI Groq LLaMA-3.3-70B PostgreSQL Redis LangChain

• Multi-agent CrewAI pipeline for automated ingredient analysis + Groq Vision OCR for label extraction
• Redis caching with deterministic ingredient hashing (12h TTL), JWT + OTP auth, async PostgreSQL via SQLAlchemy & Alembic

Flutter FastAPI Pinecone LangGraph Supabase

• RAG pipeline with PDF/DOCX ingestion, semantic vector search via Pinecone (per-user namespaces), LLM-generated answers with citations
• LangGraph evaluate-and-retry loop for autonomous quality improvement on low-confidence responses

Flutter Node.js Socket.io Agora SDK Firebase Heroku

• Full-stack platform with sub-100ms Socket.io group messaging, HD voice & video via Agora SDK
• CI/CD on Heroku (40% faster deployments), 99% FCM push notification delivery in production