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PeerPro

peerpro.in

Connect and Stay Consistent

A scalable full stack social coding platform supporting thousands of learners with groups, leaderboards, coding profile tracking, playlist analytics, and real time communication.

  • Database sharding architecture (3 shards + global)
  • 40% improved leaderboard latency via microservices
  • Multi-layer caching with 60% reduced API calls
  • Real time messaging and live updates with Socket.IO
  • Gemini powered AI Coach for daily reports
  • Rate limiting and Clerk authentication
React.js Node.js MongoDB Redis Socket.io VPS

Cognira

GitHub

AI Dev Team Autonomous Software Pipeline

A 28 node LangGraph pipeline orchestrating 8 specialized AI agents through conditional routing, retry loops, and human in the loop checkpoints.

  • 28 node pipeline with 4 execution phases & conditional routing
  • 6 specialized AI agents with role-specific prompts & 3 tier error escalation
  • Mission Control dashboard (React + Zustand + WebSocket)
  • Multi LLM provider abstraction (Gemini & DeepSeek) with failover
  • Redis backed checkpointing for pause/resume across pipelines
  • Real time event streaming, token tracking & human in the loop panels
JavaScript LangGraph React.js Zustand WebSocket Redis Gemini DeepSeek

SAP GraphIQ

Live Demo GitHub

Graph Intelligence for SAP

Built a graph based NL2SQL agent over SAP data: 6 node LangGraph pipeline, 54 pre built Cypher functions, GraphRAG, Redis semantic caching, ~92% accuracy.

  • 6 node LangGraph pipeline with deterministic query routing
  • 54 pre built typed Cypher functions for known patterns
  • GraphRAG retrieval for novel question answering
  • Multi layer memory with Redis backed conversation history
  • Contract verification and context aware error handling
  • 92% accuracy with 1.8s avg latency (deterministic queries)
TypeScript React.js Node.js LangGraph Neo4j Redis Groq DeepSeek

Codex

codexs.site GitHub

DSA Problem Solving Platform

A full featured DSA platform optimized with pagination, indexing, and caching. Supports code execution, AI assistance, contests, payments, analytics, and moderation tools.

  • Real time contest ranking system
  • Judge0 code execution integration
  • Google Gemini AI assistance
  • Cloudinary media storage integration
  • Razorpay payment system
  • Admin dashboard for analytics and control
  • Client side moderation using nsfwjs
React.js Node.js MongoDB Redis AWS