Rushabh Doshi

Hiro is not a financial advisor.

After using many claudes non-stop for a month, I feel stupider.

I attended the Pragmatic Summit this week.

In December 2025, with the release of Claude Opus 4.5, the software engineering world realized that things will never be the same again.

Many people managers I know are facing some variant of the following crisis: wants me to consider coming onboard as an IC.

We live in a world where human knowledge is more accessible than it has ever been, yet people continue to use old, linear methods of learning (books, papers, videos) as if nothing has changed.

Hi, I’m Rushabh.

Everyone at Hiro cares deeply about building a great product - one that solves real problems while maintaining an extremely high quality bar.

I’m back to writing after nearly two years.

Introduction# What do electricity, steam engines, printing presses, and large language models (LLMs) have in common?

Instead of asking GPT to write my material, I used it as a critic to help strengthen my writing.

A fun little trivia game, co-written with my friend Vivek Patel.

I used GPT to generate cocktail recipes.

llm-code# tl;dr: llm-code is a CLI tool that helps you write code.

A Shift in Focus# More AI, more random, less focused# I wrote this post as a catchup for my substack newsletter.

My Development Stack# I’ve been programming since for 30+ years now.

Random thoughts on the valuation of foundational model companies Companies like OpenAI, Anthropic, and Google are currently leading the development of foundational models, which are highly valued for their potential to unlock fast value across a range of…

Live Demo# A small chat bot to talk to a historical figure.

https://github.com/radoshi/audio-summarizer A toy summarizer for english language podcasts.

That’s a Wrap# Last week, I wrapped up my three year journey with Digit and Oportun.

I was trying to build a really simple redirector to get back into the mode of building and deploying things for real.

Happy 2022 everyone!

Accelerate was written in 2018 following four years of survey based research data compiled by its authors.

Key Takeaways# Establish and spell out leadership principles (see Amazon’s fourteen leadership principles).

Photo by Scott Webb on Unsplash Digit is a Slack-only company.

“Are Your Lights On” is a humorous exploration into the heart of Problem Solving.

The York Minster Cathedral took 242 years to build Photo by MatzeTrier CC BY-SA 3.0 Building great products takes enormous hard work over a long time.

The Problem# The Ever Given ran aground March 23rd, 2021, at 05:40 GMT and blocked the Suez canal. via NYTimes The ship was stuck like a giant windsail in the middle of a sandstorm with 46 mph winds.

I love codenames and coda.

Key Ideas# Change is hard.

Key Ideas# The authors present a systems thinking approach to dealing with Stress.

I cannot believe we are in February already. 2020 was a clusterf*** of a year – COVID, forced isolation, millions sick, hundreds of thousands dead, a nerve-wracking election, and the aftermath that would not end.

Key Ideas# Habit forming products can be created using the Hooked model: Trigger, Action, Variable Rewards, and Investment.

Key Ideas# Generating insights is key to accelerate research and learning.

Key Insights# The Pirate Stack, or where a Growth team works (with lots of concrete ideas about what to do in each phase.)

Welcome to your first team meeting as the new PM.

We are in planning season at Digit.

Non-COVID news: I’ve joined Digit as Chief Product Officer.

The Trigger# As of March 2nd, 2020, the coronavirus outbreak has officially hit the tech sector.

– Generated using repper.app I received positive feedback and encouragement for my previous 4 Interesting Reads post.

Life is full of complex decisions: capital purchases, such as a car or a house, planning a vacation, choosing a new job, picking a product strategy, prioritizing roadmaps, hiring someone.

A different post this week.

Thanks to Ben Liebald, Lily Zhang, and Maher Saba for ideas and feedback.

Buddha’s Office is the latest book by my friend, Dan Zigmond, who is a buddhist monk with a day job.

The final note in the series brings theory and practice together into two ideas: first, in order to improve at anything, you need fast feedback loops.

This is the second of three notes on Feedback.

Everyone screws up, everyone makes mistakes.

(Photo by Matteo Di Iorio on Unsplash) Managers work through meetings.

One of my favorite internal posts at Facebook outlined a framework on making sticky decisions.

A Most Useful Management Framework# Management books are full of different leadership and management frameworks and advice.