Blog
Tech, career, and life.
Career Strategy: Do Not Give Others Power Over Your Livelihood
A practical career mindset for building economic and psychological independence in a VUCA, AI-driven job market.
Why a Life Sciences PhD Switched to Indie Software Development: A Structural Analysis
From biotech layoffs to owning my means of production: why I traded the wet lab for code and how I secured time to build.
A Practical Guide to Using Japanese Unemployment and Social Insurance Before Quitting (2026 Edition)
How to maximize unemployment benefits, qualify as a specific legitimate leaver, and claim health allowances legally in Japan.
What Is the Real Reward of Work? It's Far More Than Just a Salary
Why thinking of work purely as an hourly wage drains your life, how Gen Z views time, and why the ultimate reward of great work is more trust, growth, and opportunity.
Work Smarter, Not Harder: Why Preaching 'Hard Work' Backfires
Why mindlessly grinding leads straight to burnout, the trap of survivor bias, and why you should collect high-leverage assets instead of exhausting yourself.
The Colossal Delusion That Humans Stand at the Pinnacle of Biology
Why food chains, cognitive biases, and AI expose the myth of human supremacy, and how dropping anthropocentric pride leads to genuine freedom.
The Great Karaage-Lemon Debate: Settling Humanity's Most Contentious Dinner Table Conflict
Should you squeeze lemon over the shared plate of Japanese fried chicken? A hilarious dive into izakaya psychology, the Lemon Magistrate protocol, and taking control of your dinner.
The Courage to Be Disliked: A Life-Altering Book for Indie Developers
Why Adlerian psychology unlocks the mindset needed to ship products without fear of criticism, rejection, or the desperate craving for validation.
Life 3.0: Being Human in the Age of Artificial Intelligence — Notes from the Precipice of AGI
Max Tegmark's framework of biological vs. cultural vs. technological life, potential civilizational scenarios, and why long-term cosmic perspectives matter today.
What I Did Before Shipping My First Personal Site (kimura512.dev)
A practical launch checklist from deploying Next.js on Cloudflare Workers to aligning privacy and contact channels.
Free-Tier AI API Failures in Production (Feb 2026)
Real-world rate limits, sudden model deprecations, and resilient multi-provider fallback strategies on Cloudflare Workers.
Concrete Bugs After Adding TypeScript to a JS Project
Fixing i18n keys, Markdown links, and date strings after enabling strict TypeScript.
How I Host My Personal Site on Cloudflare
Workers hosting, static assets, DNS, and deploy flow for kimura512.dev.
What I Learned Publishing a Chrome Extension (FyreFighter)
Review, permissions, privacy, and separation from the main site.
My Rules for Answering Contact Form Messages
SLA, spam handling, and separating work inquiries from casual mail.
Ideas I Built but Never Shipped
Why some prototypes never ship and how I decide to stop.
Aligning kimura512.dev Privacy Policy With the Actual Stack
How I split portfolio vs app privacy text and matched third-party disclosures to the real stack.
Why JavaScript is the Only Choice for Learning Programming Now
If your goal in learning programming is 'indie development', you are in the golden age. Gaining the freedom to turn the 'it would be nice to have' ideas in your head into reality. This is likely the biggest reason for you to learn programming now.
How to Choose Commercial-Use AI APIs for Small-Scale Services (2026 Edition)
A must-read for indie developers! A comprehensive guide to AI API providers like Cerebras, Groq, and Cloudflare Workers AI that offer free tiers while allowing commercial use. Includes fallback strategies and use-case compatibility.