On software, systems, and the occasional finance tooling sidequest.
Kafka's log is immutable and replicated everywhere; GDPR demands you make a user's data unreachable on request. Per-user DEKs in Postgres, an Avro envelope on the wire, and crypto-shredding gets you both — without ever mutating Kafka.
Co-locating the Kafka offset with business data in a single PostgreSQL transaction gives you exactly-once consumer semantics without a distributed transaction coordinator. A walkthrough in Spring Boot and Kotlin.
Wrapping a Future in a Try is usually redundant — Future already carries failure. Here's a closer look at when (if ever) the wrapper adds value.
How to combine Getting Things Done with SCRUM/Agile when you're a consultant juggling personal, employer, and client responsibilities — and the obstacles that remain.
When IntelliJ 13's SBT support gets confused about multi-project setups, here's the one-liner that gets it back to a clean state.
Notes on splitting frontend (ScalaJS) and backend (Spray) into separate SBT subprojects so the backend jar doesn't drag generated JS classes along.
