I'm Joost 👋️ — I'm a Senior Software Engineer at Monzo. I'm interested in building resilient payment systems and distributed systems. Previously I’ve worked at Deliveroo and bunq.
Find me on Twitter and LinkedIn.February 8 2022 — At Monzo I work on systems that process millions of payments a day. In this post I explain how we make sure that all of those payments are processed safely and correctly.
April 13 2020 — Use the best ideas and tools from Shape Up without having to overhaul your company's entire product development process.
April 12 2018 — When I started out at Deliveroo I wrote a short post on how to optimise a Rails ActiveRecord query.