Sergio Tereshchenko
macOS specialist with a background in technical support and quality assurance.
Author Bio
Specialty

Sergio is a macOS expert at Nektony with an extensive background in technical support and QA.

With a background in technical support, quality assurance, and translation, he creates clear, actionable content on tech, digital tools, and user experience, making technical content accessible to everyone. Since transitioning into content marketing, Sergio has written a wide range of materials, from guides to case studies.

Education

Sergio has got two Master’s degrees in Law and Translation. He continuously sharpens his skills through professional development, including certifications in content marketing, software testing, etc.

Field

Sergio’s hands-on experience with testing software and assisting users with technical issues has given him a strong understanding of how products and tech work, how users interact with them, and what kind of guidance they need to solve problems quickly and effectively.

At Nektony, he creates user-focused content such as how-to guides, app overviews, and troubleshooting articles that simplify macOS tools and utilities. His mission is to turn technical processes into clear, actionable steps that empower users to make the most of their devices.

Certificates
Certificate awarded to Sergio Tereshchenko for completing the course 'The Fundamentals of Software Testing'

The Fundamentals of Software Testing

Articles
There’s hardly an IT-guy today who doesn’t deal with APIs in some way. And Postman is exactly the tool that pulls product, dev, or QA into one place to design,...
Does deleting Microsoft Edge feel trickier than it should? Same here. I supposed dragging it to the Trash would be enough, but Edge had other plans. It quietly leaves behind...
As of mid-2025, Setapp gives you access to over 260 Mac and iOS apps under one roof. Monthly/yearly fee for Mac is $9.99/107.88 and for iOS is $4.99/53.89. The price...
To uninstall Node.js on a Mac, the command depends on how it was installed: brew uninstall node for Homebrew (typical on Apple Silicon, with binaries under /opt/homebrew/bin/node), nvm uninstall followed...
Around the world, most people rely on browsers like Safari, Chrome, or Firefox to surf the web. Wave Browser? It doesn’t even appear in the Top 10 desktop browser list...
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