Piotr Krzyzek

What Stripe, GitHub, and Twilio Teach Non-Technical Leaders About API Design

A customer got charged twice during a renewal meeting. The cause was not a bug, it was the API. What Stripe, GitHub, and Twilio teach leaders who will never write a line of code, plus a one-page audit you can run this week.

How We Turned a 76-Page App Spec Into Something One Developer Can Ship

A 76-page MVP spec landed on one developer's desk. Three boring decisions turned it into something shippable: three named batches, an explicit Phase 3 list in writing, and developer annotations as part of the file.

Agentic AI Vendors Are the New Dev Shops: A Founder's Playbook for Evaluating Technical Partners

The pitch is new. The failure pattern is a decade old. Three conversations to have before signing any AI agent vendor: references that look like you, architecture not demo, and who carries the pager at 2am. Same due diligence as a dev agency. New buzzword.

Your Marketing Budget Has a Leak (And It's Not Where You Think)

Your marketing team is optimizing campaigns while your website quietly bleeds conversions. Here's the infrastructure checklist that could save your next quarter.

Someone Just Weaponized Google Docs to Spam Me: The Cold Outreach Tactic That Bypasses Every Spam Filter

A cold sales pitch disguised as a Google Docs notification. How the tactic works, a five-year timeline of Google's failed fixes, and a complete protection guide for founders and business owners.

Piotr Krzyzek © 2026