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@flashlabs

Marek Skopowski

@flashlabs

Website

Keep It Simple, Stupid!

Joined February 2024

About

Software Engineer x Data Engineer - I make the world a better place to live with software that enables data-driven decision-making

Marek Skopowski's blogs

Keep It Simple, Stupid!blog.skopow.ski25 posts

About

Software Engineer x Data Engineer - I make the world a better place to live with software that enables data-driven decision-making

Marek Skopowski's blogs

Keep It Simple, Stupid!blog.skopow.ski25 posts

Recently published

blog.skopow.ski

Allocation Rate in Go and Java

Garbage Collection discussions often drift into theory: algorithms, generations, colors, phases. In practise , most real GC problems come from one simple thing: Allocation rate is too high Today we’re going to discuss how high allocation rate affec...

Feb 8·3 min read

blog.skopow.ski

HTTP Server in Go vs Java: The Stuff That Actually Hurts in Production

Building an HTTP server is easy. Building one that survives real traffic, slow dependencies, deploys, and partial failures is where Go and Java start to diverge in interesting - and sometimes painful - ways. This article is not about frameworks, anno...

Jan 18·5 min read

blog.skopow.ski

Concurrency in Go vs Java

Concurrency is one of those topics that feels solved, until it breaks in production. Go gives us goroutines and channels. Java gives us executors, futures and virtual threads. Different tools, different syntax… and the same mistakes. This article is ...

Dec 13, 2025·4 min read

blog.skopow.ski

How to Use RERO to Improve Developer Velocity and Feedback Loops

Problem: Slow Releases Kill Momentum There’s a lot of teams that thinks about themselves as “agile”, they do have JIRA, they do the standups, but if we look closely at their release cycle it says otherwise. They can plan sprints, push to main and the...

Nov 8, 2025·3 min read

blog.skopow.ski

Concurrency is not Parallelism

We - as a developers - love to talk about “running things at once” - but not everyone means the same thing. Some chase speed, others chase structure, and that’s where the confusion starts. Parallelism makes it faster. Concurrency makest it work. Par...

Oct 26, 2025·3 min read