Fyxer's engineering playbook to go from $1M to $35M ARR

The Experimentation Edge · Apr 2, 2026 · 30m · transcript

Summary

How do you drive hypergrowth without guessing? Kameron Tanseli, Head of Growth Engineering at Fyxer—an AI assistant for your email—breaks down the experimentation playbook that helped the company scale from $1M to $35M ARR, with sights set on $100–$150M. Kameron explains how startups should think about A/B testing differently: de-risk big bets, not just button colors. He shares a risk-based approach to when to run rigorous tests vs. ship-and-measure, why a 25% win rate is a sign you’re testing ambitiously, and how PLG features should be shipped first, then rapidly iterated to drive…