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agajankush/README.md

Hi there 👋, I'm Ashutosh Gajankush

  LinkedIn   Gmail   GitHub

I'm a Senior Software Engineer & AI Engineer with over 8 years of experience building scalable, production-grade systems and AI-driven infrastructure. I specialize in architecting high-performance backends and complex data integrations. I have a proven track record of reducing system latency by 85%, eliminating 99% of manual billing errors, and building financial platforms that process millions in transactions.


💻 My Tech Stack

Languages & Frameworks:

  Python   Django FastAPI   Java TypeScript

AI & Data Engineering:

  OpenAI LangChain   CrewAI   LangGraph   Pandas

Databases & Vector Ops:

  PostgreSQL Redis Pinecone ChromaDB   HIVE

DevOps & Tools:

  Docker AWS Terraform   GitLab CI/CD


🚀 Key Projects

  • 🔍 Conversational RAG Engine (LangChain, Pinecone, ChromaDB, OpenAI)

    • Developed a modular RAG pipeline that handles ingestion of PDFs, Docx, and live Wikipedia data.
    • Implemented Conversational Retrieval Chains with persistent memory, enabling the system to understand context and multi-turn user queries.
    • Optimized vector search using both cloud-native (Pinecone) and local (ChromaDB) stores with tiktoken cost analysis.
  • ⚡ High-Performance AI Rate Limiter (FastAPI, Redis, Lua)

    • Architected a multi-dimensional rate limiter condensing 12 state checks into a single O(1) execution using Redis Lua scripts.
    • Reduced database network latency by over 85% and eliminated concurrency race conditions for 50k+ daily API requests.
  • 🤖 Multi-Agent AI Framework (Python, CrewAI, LangGraph)

    • Built an orchestration framework for autonomous agent crews to solve complex tasks like financial research and engineering automation.
  • 💬 AI Resume Chatbot (Python, Gradio, Pydantic)

    • Engineered an interactive "digital twin" chatbot with a self-correction mechanism to provide recruiters with real-time, conversational insights into my experience.

✨ Career Highlights & Impact

  • Financial Systems: Owned end-to-end design of a PCI-compliant payment gateway, reducing audit costs by 80%.
  • Operational Efficiency: Automated backend invoice processing that increased throughput by 80%, saving ~50 manual hours monthly.
  • Infrastructure: Scaled a core platform supporting 10,000+ daily applications while reducing deployment time by 40% via CI/CD automation.
  • Optimization: Reduced database query response times by 30% through advanced schema design and Django ORM optimization.
  • AI Reliability: Designed fail-open LLM routing pipelines that reduced provider rate-limit violations to less than 0.1%.

📫 Get In Touch

I'm always open to discussing AI architecture, scalable backends, or interesting open-source projects.

  LinkedIn   Gmail

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