Devangshu Mitra

Thoughts, stories and ideas.

Healthcare AI Product Manager building 10+ AI and GenAI products across clinical trials, MedTech, and BioPharma at HCLTech. I write about shipping AI in regulated industries, the craft of product management, and thinking from first principles.

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Healthcare AI
RAG vs Fine-Tuning vs Context Windows: Which Architecture Actually Works for Clinical AI?

Healthcare AI teams face a critical architecture decision: RAG, fine-tuning, or massive context windows? After shipping systems across clinical trials, drug discovery, and patient recruitment, here is what actually works in production.…

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Case Studies

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Case studies in progress.

Deep dives into real AI implementations coming soon.

Product Breakdowns

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Product breakdowns in progress.

Teardowns of AI healthcare products coming soon.

How I Think

First Principles

Start from ground truth. Question every assumption. If you cannot derive it from fundamentals, you do not understand it.

Systems Thinking

Everything is connected. Find the leverage points. Optimizing a component does not optimize the system.

Build → Measure → Learn

Ship fast, learn faster. Iterate relentlessly. The goal is not a perfect plan — it is a shorter feedback loop.

I am Devangshu Mitra — a Healthcare AI Product Manager at HCLTech, where I lead 10+ AI and GenAI products across clinical trials, MedTech, and BioPharma. I write about building AI products in regulated industries, translating between enterprise constraints and startup speed, and the unglamorous craft of product management. Bay Area based. Occasionally making content that simplifies complex systems.

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