Engineer. Curious by default. Chasing clarity.
Karan Jakhar
You have power over your mind - not outside events. Realize this, and you will find strength.
About
Thinking from first principles, then shipping what works.
I am an engineer working at the intersection of AI systems and real-world applications. My work focuses on building from first principles-designing and deploying systems around large language models, retrieval pipelines, and backend infrastructure that actually work outside of demos.
I am particularly interested in how intelligent systems behave in practice: where they fail, where they scale, and what it takes to make them reliable. My experience spans building end-to-end AI products, from model integration to production-grade APIs and system design.
This blog is a space for thinking out loud-about technology, systems, and ideas. It sits somewhere between engineering and philosophy, exploring not just how things work, but why they work the way they do.
Expect writing that is: - Grounded in real-world systems rather than theory alone - Focused on clarity over noise - Slightly opinionated, but reasoned - Curious about both technical and human questions
The goal isn’t to explain everything, but to think carefully about the things that matter.
These days, I am the Founding Engineer at Marvix AI.
Selected Work
What I've built.
Marvix AI: Building an Ambient Scribe from Scratch
What I'm building at Marvix AI — an ambient scribe that listens, understands, and writes so people don't have to — and what it takes to make AI dependable enough to disappear into someone's workflow.
Read moreadgen: From a One-Line Brief to a Ranked Ad Campaign
A system I built that turns a one-sentence business description into ranked publisher recommendations, persona-tuned ad creative, and a structured campaign config — and is honest enough to recommend nothing when the fit isn't there.
Read moreRecent Posts
Latest writing
Notions
Notes on Finding Your Own Way
On contentment over happiness, the role of desire and hedonism in the journey toward wisdom, and the only game worth playing — your own.
Read essayPhilosophy
The Illusion of Empty Sacrifices: Stop Mimicking Idols the Wrong Way
Sacrifice has value only when it serves a real goal. Empty sacrifices imitate the look of discipline without the purpose that makes discipline meaningful.
Read essayEngineering
Making LLM Output Reliable When the Stakes Are Real
A demo only has to work once. A production system has to be trustworthy on the worst input it will ever see. The gap between those two is where most of the engineering actually lives — and where the lawsuits happen.
Read essayPhilosophy
It Takes Courage, But...
Courage rewards action regardless of direction, which is why real goodness requires more than passive harmlessness. Strength matters because choosing rightly only means something when you could do otherwise.
Read essay