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.

    More on LinkedIn

  • 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.

    More on LinkedIn


  • Remigiusz Krzysik

    Remigiusz Krzysik, Sales Manager

    At Sotrender, Remik is responsible for establishing positive relationships with new customers. Privately, he's passionate about gym and basketball.

  • Kacper Kraus

    Kacper Kraus, Sales Manager

    At Sotrender, Kacper is responsible for building good relationships with customers and tailoring solutions to their needs. Privately a fan of motorsports, basketball and mountain hiking.

HR & Administration

  • Magdalena Radomska

    Magdalena Radomska, Budgeting & Controlling Expert

    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.

  • 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.

  • Stefaniya Starosta

    Stefaniya Starosta, Junior Office Manager

    Financial management student. At Sotrender, Stefa is in charge of administration, HR and finance. She loves to travel and spends her free time at the gym.


  • Klaudia Żyłka

    Klaudia Żyłka, Marketing Team Lead

    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.

Customer Success

  • Magdalena Świątek

    Magdalena Świątek, Sales & CS Team Leader

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

  • Arkadiusz Dominik

    Arkadiusz Dominik, Customer Success Manager

    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.

  • Ewa Walczak

    Ewa Walczak, Software Engineer Team Lead

    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.

  • Jarosław Nowicki

    Jarosław Nowicki, Senior Software Engineer

    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.

  • Iva Djukic

    Iva Djukic, Junior Product Manager

    At Sotrender, Iva is responsible for product management and analysis. She cares about developing products that are easy to use and suit the users' needs. Bookworm and traveler outside of work.

  • Magdalena Borawska

    Magdalena Borawska, Software Engineer

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

  • Edyta Jarzębska

    Edyta Jarzębska, Frontend Developer

    Frontend developer, who is a fan of Angular, clean code, and tests. In Sotrender she's responsible for implementing UI solutions. If she's not reading the code, she's reading books.

  • Tomasz Gardeła

    Tomasz Gardeła, Senior Python Developer

    During working hours he is passionate about Python and wants to broaden his knowledge of ML and AI tools. After work, he spends most of his time riding a bike in the mountains.

  • Mateusz Razumnik, Senior 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.

  • 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.

  • Tomasz Binkiewicz

    Tomasz Binkiewicz, Junior Python Backend Developer

    Developer particularly enthusiastic about Python. Strongly believes that simple, readable code is the best code. Enjoys spending his free time in mountains, playing sports or watching a good movie/series.

AI & Data Science

  • 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.

  • Marcin Rybiński

    Marcin Rybiński, Machine Learning Engineer

    In Sotrender, he's responsible for building and maintaining machine learning models. Data Science is his passion and his main area of interests are NLP and MLOps. Privately, he dances salsa, trains at the gym and invests in the stock markets.

  • Norbert Ryciak

    Norbert Ryciak, Machine Learning Engineer

    Machine learning engineer with a working experience that combines science and business. Norbert loves to share his knowledge and is interested in alternative forms of education.

  • Robert Woźniak

    Robert Woźniak, Data Analyst

    Data analyst with a few years of experience in the research industry. At Sotrender, he takes care of reports and analysis. He loves football.

  • Magdalena Rudź

    Magdalena Rudź, Data Analyst

    At Sotrender, she is responsible for delivering analytical projects and reports as well as data visualisation. Privately, a fan of football, board games and traveling.