Why Airport Security Feels Random
I’m about to take yet another flight, this time flying to India. I’m excited, but then I can’t seem to pass the thought of why the heck security checks are so random. I had to c...
Articles tagged with System Design
Posts on designing systems under scale, reliability, and product constraints.
AI Broke Interviews
Interviewing has always been a big can of worms in the software industry. For years, big tech has gone with the LeetCode style questions mixed with a few behavioural and rounds....
Managers Have Been Vibe Coding All Along
Everyone’s been talking about vibe coding lately. I’ve been doing it myself. two projects. and . It’s the kind of work where you don’t analyze, architect, or overthink. You star...
Why Over-Engineering Happens
If you’ve worked in software long enough, you’ve probably seen it: a CRUD app serving a handful of users, deployed on a Kubernetes cluster with half the CNCF landscape stitched...
Technical Deep Dives
When someone asks for a technical deep dive, they don’t care if . They want proof that you actually understand the beast you’ve built. Can you walk me through the system like yo...
Operational Skills Needed
Over the years, I've interviewed many candidates. One crucial skill that often gets overlooked is operational reflexes during oncalls. Surprisingly, few companies test for this,...
System Design Interviewing Tips
System design interviews are inherently subjective. Outcomes depend on many factors, including the backgrounds of both the interviewer and the candidate. Even if both have exper...
Data as a Product is a Promise
Domaindriven design (DDD) has been around for quite a long time. In short, DDD focuses on domain to match domain requirements. One of the pillars of DDD is bounded context. A bo...
Designing A Key-Value Store
I’ve been asked once to design a key value store in an interview. It looks easy at first. Then it gets hard, fast. What makes it interesting is how ambiguous it is. I started us...
Message Brokers Are Modern Grids
While working on my book on , I keep noticing the same pattern. Some systems look simple while they belong to one team and become something else after everybody starts using the...
Good APIs Age Slowly
I have noticed that APIs are a bit like abstractions in general. APIs that impress people quickly are very often the ones that cause the most trouble later. I do not mean this a...
You Know State Is NO Good
Every engineer learns this the hard way. You think the logic is solid, your tests are green, and your deployment goes smoothly. Looks all good, right? Then you have an outage. N...
You Cannot Fix What You Cannot See
I have been working on this data discovery tool for a while, and it keeps showing me how messy our systems really are. The idea behind it is simple. Crawl every database we have...
Ufak Servisler
Ufak servisler(micro services) son zamanlarda yazılım alanında sıkça yaygınlaşan bir yöntem. Micro'yu ufak diye çevirmek hoşuma gitti ama tahminen mikro daha çok kullanılır. Zat...
Yazılım Mühendisliği Mülakatlarına Hazırlık Rehberi
Yazılım mühendisliği mülakatları her geçen gün daha da zorlaşıyor. Mülakatlara iyi bir sonuç almak ise yılların birikimi ve insanın mülakat esnasındaki performansı ile doğru ora...
Yazılım Mimarisi
Mimari denildiğinde insanın aklına gelebilecek ilk konu değildir yazılım. Ama nasıl köprüler, barajlar gibi büyük yapıtların bir mimariye ihtiyacı varsa, geniş kapsamlı yazılım...