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In Poland, product manager Oleksii Osynovskyi and his wife, designer Ira Polianska, launched a startup called BookFlea, an online platform where you can sell or buy used books in Ukrainian. This way, book lovers from Ukraine can read more paper books and save money at the same time. A simple post on LinkedIn about whether people are interested in the idea has grown into a project that has become a real online community for book fans. The couple has already invested $25,000 in the startup and are aiming to develop the product: Lesha left Reface, where he worked as a product manager, and is now expanding the team to implement their plans, including entering the Ukrainian market.

Oleg Gribachov, Resell Department Team Lead at the Performance Marketing agency specializing in iGaming and sports, Makeberry, spoke about his criteria for finding employees. And although he noted that he is not strict, but because «Affiliate is a sport,» and not a warm office chair, his arguments were not accepted by everyone. Here is what other IT professionals think about his approach.

SEO is an important part of IT business marketing strategies. Proper understanding and calculation of SEO ROI helps to effectively assess costs and revenues, which allows you to plan marketing budgets and choose the right channels. So, let’s look at how IT companies can measure SEO ROI, what to pay attention to and what metrics to use for accurate calculations. We will also provide a free SEO ROI calculator template.

Data analyst from EPAM Andriy Kamuz is originally from Kherson. He lived in the southern city for almost 60 years. He is currently in Odessa, occasionally visits relatives and is waiting for the moment when he can return home. Andriy became an IT worker in 1986, when electronic machines were just starting to appear. The engineer told dev.ua about his journey — from working at a factory to an IT service company, as well as how much he misses his hometown. What follows is his direct speech.

Dutch game developer Lente revealed that she paused her studies in 2022 to try her hand at a career in game development. While living on a 90-year-old boat, she created a short game called Spilled!, where a very similar ship cleans up water bodies from pollution. The project has Ukrainian localization and has already collected over 1,000 positive reviews on Steam.

At one of the conferences, which have been happening a lot in Kyiv lately, we happened to meet lawyer Maksym Kurochko. He is the managing partner of MK Legal Service and also the co-founder of one of the largest cloud providers in Ukraine — Gigacloud. Maksym owns 1,5% of it, and his brother — Nazariy — 44,93%.

Large AI models can lie to their users under pressure, according to a study called Model Alignment between Statements and Knowledge (MASK). While various tests and tools test AI for accuracy, the MASK benchmark was designed to determine whether an AI believes what it tells users — and under what circumstances it might provide incorrect information. The study tested 27 models from the GPT, Llama, Qwen, Claude, and DeepSeek families.