https://www.charlesw.dev/ A small personal blog for technical musings, project notes, and the decisions behind the things I build. en-CA Sat, 11 Jul 2026 00:00:00 GMT https://www.charlesw.dev/blog/authorization-is-not-approval/ https://www.charlesw.dev/blog/authorization-is-not-approval/ A technical guide to understanding where payment performance becomes revenue performance. Sat, 11 Jul 2026 00:00:00 GMT payments authorization card-not-present saas payment-optimization engineering https://www.charlesw.dev/blog/getting-here/ https://www.charlesw.dev/blog/getting-here/ A career thread from basement IT work and batch files to product development, payment optimization, trust networks, and AI-enabled execution. Fri, 29 May 2026 00:00:00 GMT career engineering product https://www.charlesw.dev/blog/hello-world/ https://www.charlesw.dev/blog/hello-world/ The first post on charlesw.dev. Fri, 29 May 2026 00:00:00 GMT hello-world