Software engineer, Berlin
I build software, and the teams that build it.
14 years as an engineer and engineering manager. I write about backend engineering, AI agents and hiring, and help teams hire well.
Latest writing
All posts
Why Experienced Professionals Struggle in Interviews
Experienced professionals often get told their answers are 'too general' in interview loops, even when they're sharing a career of hard-won judgment. Here's why that disconnect happens, and how to translate your insight for every audience in the room.
Things I've built
- Billino Invoicing for freelancers and businesses in Europe and the US, with e-invoice PDFs and DATEV exports.
- Witnes Privacy first analytics and frontend performance, so you can see what each visitor experienced without cookies.
- bufferq A sidecar for your API that decides whether each caller is admitted, deferred or rejected.
About
I'm Christos, a software engineer based in Berlin. I've spent 14 years building products and leading engineering teams.