Hi 👋, I'm Jothiswaran Arumugam

Lead Data & AI Engineer @ RevStar · Agentic AI · LLM Systems · 13x AWS Golden Jacket + 7x GCP

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🧠 About me

• 4+ years building and shipping production AI systems across financial services, healthcare, and startups
• I build agentic AI on AWS: multi-step agents, RAG pipelines, LLM orchestration, and the evaluation + observability that keeps them reliable
• Lead Data & AI Engineer at RevStar Consulting (AWS Advanced Tier Partner), 25+ enterprise engagements
• Daily driver of Claude Code, Cursor, and Amazon Bedrock AgentCore
• 13x AWS certified (Golden Jacket) and 7x GCP certified

🤖 Agentic AI & LLMs

🛠️ Core Stack

🚀 Featured Projects

• Production Voice AI Agent - real-time voice agent on LiveKit (Deepgram STT, Cartesia TTS), LLM-as-judge eval, OpenTelemetry, deployed via AWS CDK
• Agentic RAG - multi-step retrieval combining Qdrant vector search with live web tool-use (Tavily + LangChain)
• Financial Analyst Multi-Agent - CrewAI multi-agent equity research from a single ticker query
• ArXiv Research Assistant on MCP - research assistant built on a Model Context Protocol server for tool-use and context handoff

✍️ I Write @ Jo's Cloud AI Hub

Biweekly notes on cloud + AI engineering. Join 600+ readers from the LinkedIn community.