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Mostly about building products, healthcare tech, and lessons learned along the way.
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Older posts from the archive.
•7 min read
When English Became a Programming Language
v0 just proved that English plus AI can replace traditional web development for most apps. That changes what it means to be a developer. An honest take on what shifts, what doesn't, and what to do about it.
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·8 min read
Fine-Tuning LLMs Without the RLHF Headache: The DPO Approach
RLHF is the right idea with the wrong implementation cost for most teams. DPO flips the math. How to align a healthcare AI model on clinician feedback without burning a month on reward model engineering.
EngineeringRead more →
·9 min read
Agency Beats Intelligence: How I Now Hire (And Evaluate Myself)
Raw intelligence is abundant and cheap. The engineers thriving in the AI era are the ones with agency: setting goals, acting under uncertainty, self-correcting. How I changed my interview process to find them.
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·7 min read
You Are No Longer a Coder: The Shift from Execution to Direction
I stopped writing most of my own code. What changed, what I delegated to AI, what I found it can't do, and why the hardest part of the transition had nothing to do with technology.
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·7 min read
Context Rot: The Silent Performance Killer in Your LLM Application
Your LLM system works great in demos and degrades in production. The culprit is almost never the model. It's what you're feeding it. How to diagnose and fix context rot before it kills your product.
EngineeringRead more →
•8 min read
Why Your AI Gets Smarter When You Let It Think Longer
Test-time compute is the most underused lever in production AI right now. What chain-of-thought, best-of-N sampling, and process reward models mean for practitioners, and when to use them instead of grabbing a bigger model.
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·8 min read
The Async-First Engineering Team: What Actually Works (And What Doesn't)
I went async-first with my remote engineering team. Productivity went up. Culture took a hit. What changed, what broke, and the specific practices that made it worth it.
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·8 min read
What the AI Tool Ecosystem Is Actually Telling You
Tool selection in healthcare AI is a compliance problem, not a productivity one. Most AI tools that sounded great in 2023 are dead or deprecated. The framework I use for betting on the right ones.
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·7 min read
What Autonomous Vehicles Taught Me About Multi-Agent AI Design
BAIR researchers discovered that just 5% autonomous vehicle penetration can smooth all highway traffic, with no central coordination. That finding reshapes how I think about building multi-agent AI systems.
EngineeringRead more →