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Sergei Gannochenko

Business-oriented fullstack engineer, in ❤️ with Tech.
Golang, React, TypeScript, Docker, AWS, Jamstack.
19+ years in dev.
Image by Caspar Camille Rubin on Unsplash

Latest in Blog

15.06.2024
Managing time in distributed systems
A while ago I faced timezone issues in my job project... again. This was a bitter consequence of proper datetime management not being in place at the stage of system design, and now everyone suffer because of it: our users, managers and we - engineers.Read the post
20.05.2024
The ultimate interview preparation framework. Part 4: System design
The next part of the Ultimate interview preparation framework demystifies the system design interviews.Read the post
19.04.2024
Emergency handling protocol
Pushed for feature development under a tight deadline, deployed to live and alerts went crazy. Sounds familiar? It sometimes happens even to the best of us. The most important thing here is to cease panicking, stop running in circles and start taking measures. But what measures to take, specifically? To answer this, an Emergency handling protocol is needed.Read the post
15.03.2024
How modern DevOps is done. Part 2: wiring up CI/CD!
In the previous article I have covered the process of Docker image building, and then pushing it to the repository. In real life nobody does it manually, we let the continuous delivery work for us. So let us create a pipeline or two that automate the process.Read the post
28.02.2024
Error handling in Go: a Golang kata
In one of my application there was a total mess with error handling. Any wrong situation was treated as an internal error, so I could not set the alerting right. That is why every time there was an alert, I went to investigate, and it usually turned out to be some request for a non-existing ID or an inconsistent request body. A more clever solution was needed.Read the post
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