Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

Performance, Optimization and Closing the Series: Where to Go From Here?

We close the series: the basic principles of performance, the most common bottlenecks (like the N+1 query), not optimizing without measuring, a recap of what we learned, and where to go next.

23 Aug 2026 13 min 174

Backend PART 26

Caching: In-Memory and Distributed Cache with Redis

We cover caching: improving performance by temporarily storing frequently requested but rarely changing data, the difference between in-memory and Redis-based distributed cache, and cache consistency.

23 Aug 2026 13 min 160

Backend PART 16

Async/await: Correct Asynchronous Usage in an API

We cover what async/await actually does: the difference between sync and async, what a Task is, why an API should be asynchronous, its effect on scalability, and common mistakes.

15 Aug 2026 13 min 194