The Anti-Headcount Billion-Dollar eCom Playbook | David Cost, CDO (Rainbow Shops)
March 17th, 2026
26 mins 57 secs
Season 2
Tags
About this Episode
How many engineers does it take to run the ecommerce site for a retail company that does over a billion dollars in revenue per year?
Well, if you’re Rainbow Shops, the answer is just 2.
Most ecommerce teams assume scale requires more engineers, more tools, more complexity. Chief Digital Officer David Cost has built something many people in ecommerce would say isn't possible — a lean, fast-moving digital operation that runs on vendor partnerships instead of a massive internal team. Two engineers, hundreds of programmers' worth of output, and none of the overhead that comes with scaling the traditional way.
In this episode, David shares:
- A detailed, under-the-hood look at the specific vendors they use to stay so lean
- His playbook for using strategic partnerships with vendors as an external dev team
- How being a testbed for new tech gives them a competitive edge
- And why their choice of ecommerce platform was vital in enabling Rainbow’s digital strategy
Links
David's LinkedIn: https://www.linkedin.com/in/davidcost/
Rainbow Shops: https://www.linkedin.com/company/rainbow-apparel-co/
Chapters
00:00 Introduction
00:42 David’s product journey
02:36 How Rainbow runs with only two engineers
03:07 Rainbow's decision to migrate from Salesforce Commerce Cloud to Shopify
07:14 How Rainbow uses AI to support a lean team
11:34 Rainbow's partnership with Lica for AI-generated product images
17:25 The future of personalization in ecommerce
23:01 Shop Pay and Rainbow's checkout features
26:15 Conclusion
Resoures
Lica: https://lica.world/
Fuego: https://fuego.io/
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