Tech & ToolingProven Pattern

Build technical advantages before they become mainstream to create lasting differentiation

Insight from Dominic Zijlstra

When to use

When choosing technology stack or tools

Don't do this

Over-engineering the technical solution

5 Founders Who Did This

1
Discretion Capitalby Einar Vollset

Built scrapers to track all PE firms and portfolios worldwide instead of paying for PitchBook or similar expensive databases

Result:Created proprietary data systems that evolved into sophisticated AI-powered internal systems, enabling $100M+ deal volume while staying bootstrapped
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2
Sprigby Ryan Glasgow

Hired head of AI as first employee in 2019 and built on open-source BERT models years before GPT-era, starting at 50% efficacy with human-in-the-loop review

Result:When GPT-4 arrived in 2023, had the infrastructure and expertise to rapidly migrate, enabling real-time analysis and new capabilities competitors couldn't match
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3
Cash Appby Ayo Omojola

Leveraged Square's accumulated payments expertise to discover underexploited instant money movement across debit card rails that competitors couldn't replicate

Result:Built Cash Card into a 9-figure revenue line and one of the fastest-growing card programs in history, using existing technical infrastructure as competitive moat
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4
LearnBoost / Socket.IO / Mongooseby Guillermo Rauch

Bet on Node.js when it was nascent, rewrote entire LearnBoost backend in JavaScript. When tools were insufficient, built and open-sourced Socket.IO, Mongoose, and other libraries

Result:Socket.IO and Mongoose became defining libraries of the Node.js ecosystem. This early bet created the technical authority that enabled founding Vercel years later
5
Stripeby Patrick Collison

Invested three months designing a unified payments API before competitors recognized that API design quality mattered. Built documentation with interactive code examples that became the industry standard

Result:85% developer satisfaction rate. Stripe's API design and docs are widely cited as the gold standard that all other developer tools aspire to
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