Meiring de Wet. Building CheckoutJoy and Keepem from Cape Town. Writing about the systems behind them.

Building

• CheckoutJoy

  Localized checkout for digital product sellers in emerging markets.

  Live · 2021—
• Keepem

  Usage-based webinar platform with AI built in.

  In build · 2024—
• Mailshot

  Open-source serverless email sequencing on AWS Step Functions.

  OSS
• GetPaidHQ

  Open-source subscription billing platform usable with any payment processor — fixed, usage-based, and hybrid pricing, with built-in dunning and invoicing.

  OSS

More on github.com/mdwt.

Now · Q2 2026

• Shipping the Keepem beta.
• Reworking CheckoutJoy's Step Functions orchestration.
• Reading about agent evaluation. Trying to write less code.

Updated quarterly. Inspired by /now.

Writing

Long-form notes on the things that took me too long the first time around — usually AWS, payments, or solo-founder ops. First posts coming.

About

Solo founder, Cape Town. 20+ years building production software, a decade-plus of it on AWS. MBA at UCT GSB. I love Cape Town, the ocean, the mountains and making delicious food.