Jezen Thomas

CTO @ Supercede

CTO & Co-Founder of Supercede. Leads software development with a team of Haskellers around the world. A software developer with over a decade of experience, focused on pragmatic solutions and simplicity in design. He shares insights on technology, decision-making, and the lessons learned from past mistakes through writing and talks.

jezenthomas.com

Hindsight is 20/20, but in tech, it's often 20/200. In this talk, I'll share the biggest technological regrets from shipping a Haskell enterprise SaaS product over the past half-decade — technologies I embraced too soon, ideas I clung to for too long, and decisions that seemed right at the time but proved costly in the long run. Through real-world examples, I'll explore how biases, trends, and over-engineering can lead us astray, and how we can develop better instincts for long-term thinking in software. Whether you're a junior developer or a seasoned architect, this talk will help you avoid some of the mistakes I made—so you can make better ones of your own.


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