Meet the people who work every day for your success in social media.


  • Jan Zając

    Jan Zając, Ph. D., CEO

    Psychologist & economist, experienced consultant & researcher, who speaks 6 languages and has cycled around 17 countries.

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  • Dominik Batorski

    Dominik Batorski, Ph. D., Chief Scientist

    Sociologist, data scientist, senior researcher analyzing social networks since 2002, who led over 30 major research projects.

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  • Paweł Obiedziński

    Paweł Obiedziński, Head of Revenue

    Growing Internet businesses for 10 years, and still each deal brings satisfaction. Passionate about deep-sea sailing expeditions and hiking in the mountains outside of work.

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  • Natalia Mól

    Natalia Mól, Junior Sales Specialist

    At Sotrender I am responsible for establishing positive relationships with new customers. Privately, I am passionate about horseback riding and traveling.

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  • Kamil Grubek

    Kamil Grubek, Junior Sales Manager

    Kamil loves talking to people, that's why he's one of our first points of contact with our clients. He's also in love with cocktail culture and regional cuisine. The US version of “The Office” encouraged him to work in the office with us, suggesting that “Michael Scott's not here, but it's also wonderful.”

HR & Administration

  • Aleksandra Frączkowska

    Aleksandra Frączkowska, Senior Finance & Rewards Specialist

    HR & payroll specialist. At Sotrender manages HR, finances and administration. Always on the go, traveled to 45 countries and learning the 6th language. Mum of the best dog in the world.

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  • Magdalena Radomska

    Magdalena Radomska, Senior Budget & Controlling Specialist

    A sociology graduate who has devoted most of her professional life to externally funded projects. At Sotrender Magdalena is responsible for budgets and managing finances. She also loves cats and collecting cooking books.

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  • Marta Mikołajczyk

    Marta Mikołajczyk, People Lead

    Marta is a psychologist that has always worked with people. She has been working as an HR consultant for SaaS companies for a few years now. She volunteers at a foundation, loves podcasts, and outdoor activities.

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  • Klaudia Żyłka

    Klaudia Żyłka, Senior Marketing Specialist

    Huge fan of Instagram with almost 5 years of experience in marketing. Gained experience in IT and education sectors. Improving her marketing skills every day. Mother of a Jack Russell Terrier.

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  • Iva Djukic

    Iva Djukic, Marketing Specialist

    Psychologist and marketer developing skills in copywriting and SEO. High key interested in analytics and AI.

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Customer Success

  • Magdalena Świątek

    Magdalena Świątek, Senior Customer Success Specialist

    At Sotrender, Magda deals with building positive customer experience, product training and creating personalized offers. Travel, gym and interior design lover. Plant mama.

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  • Arkadiusz Dominik

    Arkadiusz Dominik, Junior Customer Success Specialist

    At Sotrender I'm responsible for building lasting relationships with clients. I'm keen on tech news and tech gadgets. Big fan of FRIENDS and Sci-Fi movies.


  • Rafał Biłyj

    Rafał Biłyj, CTO

    Self-taught programmer from the age of 8, computer-freak, interested in everything that is related to computers. In his free time, charity volunteer, video game maniac and parrot enthusiast, has two cockatiels at home.

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  • John Bailey

    John Bailey, Head of Product

    Passionate about building great products with over 20 years of experience in software development. At Sotrender John is responsible for product management. In his spare time he enjoys hiking and relaxed mountain biking.

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  • Jarosław Nowicki

    Jarosław Nowicki, Software Engineer | Web Team Leader

    Developer for many years, with passion and education. In Sotrender, he takes care of developers and is responsible for services from the code side. After hours, physically active incl. running.

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  • Martyna Piątkowska

    Martyna Piątkowska, UX Designer

    User Experience Designer appreciating minimalism and good microcopy in digital products. In her free time, she goes salsa dancing and organizes long trips with her dog.

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  • Magdalena Borawska

    Magdalena Borawska, Software Engineer

    Python developer. Former IoT engineer. Nowadays, cloud engineer at Sotrender. After hours: rock climber and a homegrown tailor.

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  • Kamil Romaszko

    Kamil Romaszko, Senior Software Engineer

    In addition to being a developer, he also works as a Scrum Master. At Sotrender, he works with cloud computing solutions on a daily basis (and is a big fan of those).

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  • Ewa Walczak

    Ewa Walczak, Software Engineer

    Ewa is a software engineer passionate about the frontend. She specializes in JavaScript, but she's also familiar with PHP. In her free time, she's keen on fencing, sewing, LARPing and playing RPG games.

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  • Kamil Radziszewski

    Kamil Radziszewski, Software Engineer

    Kamil started programming in the 90s. He’s currently a fan of JavaScript and JAMstack and passionate about the visual aspects of Frontend. Spent 10 years on movie sets and in recording studios as sound engineer. Loves animals, especially cats (he even owns 4 of them).

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  • Małgorzata Pisula

    Małgorzata Pisula, Junior Software Engineer

    Gosia is a python developer. She likes clean code and writing automated tests. Previously, she worked in FinTech and Parking Management Systems industries. She's a big fan of biking, audiobooks and sauna.

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  • Karol Karczewski, Software Engineer

    Programmer and a fan of JavaScript. Likes bad movies, motorcycles and swimming.

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  • Mateusz Razumnik, Software Engineer

    Engineer. Besides building reliable Big Data solutions, he is working on his PHD thesis in image analysis utilising UAV. After hours he is a scuba diver.

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  • Wojciech Żurakowski, Senior System Administrator

    Wojtek is a network and systems administrator. At Sotrender he takes care of our infrastructure and makes sure it always works properly. He basically knows everything about networks and hardware. In his free time he loves going on good trips to the mountains.

AI Team

  • Aleksander Winciorek

    Aleksander Winciorek, Insights Lead

    Researcher, strategist and lecturer with over 20 years of experience. He’s especially interested in analysing the effectiveness of advertising campaigns and gathering data to help create marketing strategies. At Sotrender he’s involved in the development of new analytical products combining traditional techniques with AI and ML-based solutions.

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  • Maciej Pieńkosz

    Maciej Pieńkosz, AI Tech Leader

    In Sotrender he is responsible for building and deploying machine learning models. Over 5 years of professional experience. A boxing and ice hockey fan.

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  • Michał Broniś

    Michał Broniś, Senior Machine Learning Engineer

    Data Scientist with many years of experience in various industries (insurance, finance, e-commerce). At Sotrender, Michał is involved in the development, implementation and maintenance of ML models. Privately, he enjoys learning and cycling.

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  • Urszula Baranowska

    Urszula Baranowska, Junior Data Analyst

    Psychology student at SWPS University interested in data analysis.

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  • Maciej Baranowski

    Maciej Baranowski, Data Analyst

    Data Analyst, analyzing social media for many years. He's responsible for exploration and analyzing data in Sotrender. In his free time, he runs. A lot. Given the chance, he'd run even more

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  • Maciej Leoniak

    Maciej Leoniak, Machine Learning Engineer

    Maciej is an ML Engineer with 3 years of experience in consulting and he's especially interested in NLP. He's always willing to play board games and visit escape rooms.

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  • Dominika Sagan

    Dominika Sagan, Data Scientist

    At Sotrender, she is involved in all stages of NLP modeling - from data analysis, creating baseline models, to their development and quality improvement. Fan of K-dramas and amateur ornithologist.

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  • Kamila Stachura

    Kamila Stachura, Data Analyst

    Kamila graduated from Warsaw School of Economics. She's most interested in text mining and data visualisation. In her free time, she travels and plays board games.

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