Shangar Arivazhagan (Keys)
AI & Software Engineer – Lead (Technical Solutions)
Python · AI · LLMs · Backend Development
I'm Shangar (Keys) — an AI & Software Engineer with a deep focus on building intelligent backend systems and LLM-powered architectures.
This wiki is my digital portfolio where I document projects, engineering decisions, technical learnings, and experiments at the frontier of AI and software development.
About Me​
| Attribute | Details |
|---|
| Name | Shangar Arivazhagan (Keys) |
| Role | AI & Software Engineer – Lead (Technical Solutions) |
| Tech Stack | Python, AI, LLMs, Backend Systems |
| Location | Coimbatore, Tamil Nadu, India |
Connect with Me​
Tech Focus​
I specialize in designing and shipping backend systems, AI-driven tools, and LLM-powered architectures — from prototyping to production.
My current areas of focus:
- Python Development – clean, typed, production-grade code
- AI / LLM Systems – RAG pipelines, agent frameworks, and evaluation
- Backend Engineering – scalable APIs, data modeling, and system design
| Category | Tools / Platforms |
|---|
| LLM Providers | OpenAI, Gemini, Ollama, Hugging Face |
| Embeddings | OpenAI, Ollama, Hugging Face |
| Vector Databases | Qdrant |
| Testing / Evaluation | TruLens |
| Frameworks | LlamaIndex |
| AI Coding Assistants | Claude Code, Antigravity, GitHub Copilot |
| Category | Tools / Modules |
|---|
| Web Frameworks | Django, FastAPI |
| Web Development Support | Django REST framework, Pydantic, SQLAlchemy, Alembic |
| Dependency Management | UV, Poetry, Pip |
| Linting & Formatting (Legacy) | flake8, pydocstyle, mypy, isort, black |
| Linting & Formatting (New) | ruff, mypy |
| Testing | PyTest |
| Documentation | Sphinx |
| Category | Tools / Platforms |
|---|
| Containerization | Docker, Docker Compose |
| IDE | VSCode, Cursor, PyCharm |
| Version Control | GitHub, Bitbucket, Azure DevOps |
| Project Management | Azure DevOps, Jira |
| Documentation | Confluence, Azure DevOps Wiki |
