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VimalN2005/README.md

Hi, I'm Vimal Sahani 👋

Software Development Engineer • Backend & AI/ML Systems

B.Tech IT @ IIIT Bhopal ('27) • Core Contributor to Django, FastAPI, Hugging Face & LangChain

LinkedIn Email GitHub

🚀 Verified Open-Source Contributions

Engineering impact shipped to industry-standard frameworks used by millions of developers:

Organization Contribution & Technical Scope Status
Django PR #21811: Resolved Trac ticket #36049 across 4 core template filter files Merged
FastAPI PR Reference: Resolved static-file sync I/O bottlenecks & JSON parsing pipelines Merged
Hugging Face PR Reference: Flash Attention fix for SigLIP2 vision-language models in transformers Merged
LangChain PR Reference: Fixed critical Responses API KeyError in DeepSeek connector Merged
AgentKit PR #318: Static flow schema validator & Bug-to-Test-Case generator via LLM nodes Merged
Spotify / Luigi PR #3450, #3449: Resolved PrestoTarget DatabaseError propagation on Windows systems Merged

⚡ Production Systems & Featured Projects

System Architecture & Stack Key Metrics / Benchmarks Links
RAG Document Assistant FastAPI, Groq LLaMA-3, FAISS, Docker <700ms latency, 99%+ uptime session retrieval Code • Demo
Emotion Recognition API PyTorch, Custom CNN, FastAPI, Docker 82% Accuracy (FER-2013), <150ms inference Code • Demo
E-Commerce Microservices Django REST, Redis, Sentence-Transformers 30% latency reduction with semantic search caching Code • Demo
LLM Guard & Refusal Engine Python, PyTest, Docker, Safety Evaluator Dual-mode safety evaluation with 20+ unit tests Code • Demo

🛠️ Technical Arsenal

  • Languages: Python Java C++ JavaScript TypeScript SQL Bash
  • Backend & Systems: FastAPI Django Flask Node.js Express Redis (Caching & Queues) Celery Microservices RESTful APIs
  • AI / ML & GenAI: PyTorch Hugging Face (transformers) LangChain LlamaIndex FAISS RAG Architectures Sentence-Transformers Groq LPU
  • Databases & Storage: PostgreSQL MySQL Redis Vector Databases
  • DevOps, Cloud & Tools: Docker & Docker Compose Linux / Shell GitHub Actions (CI/CD) Postman Render Vercel

📊 GitHub Activity & Metrics

GitHub Stats Top Languages
GitHub Streak

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  1. huggingface/transformers huggingface/transformers Public

    🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

    Python 165k 34.5k

  2. fastapi/fastapi fastapi/fastapi Public

    FastAPI framework, high performance, easy to learn, fast to code, ready for production

    Python 102k 9.9k

  3. django/django django/django Public

    The Web framework for perfectionists with deadlines.

    Python 89.9k 34.2k

  4. n8n n8n Public

    Forked from n8n-io/n8n

    Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

    TypeScript 1

  5. AI-Agent-Evaluation-Reliability-Platform AI-Agent-Evaluation-Reliability-Platform Public

    Production-ready platform to evaluate, monitor, and benchmark AI Agents & GenAI apps — hallucination detection, RAG retrieval quality, latency, and cost tracking.

    Python 1

  6. AI-Storyteller-Machine AI-Storyteller-Machine Public

    An AI-powered storytelling application that transforms ideas into engaging, creative, and personalized stories using intelligent text generation.

    Python 1