Nikita Chumak

UX Researcher  • 📍Warsaw, Poland

Hey! I’m Nikita, a Senior UX Researcher working since 2018. I specialize in quantitative and qualitative research across tech, startups, B2B, B2C, AdTech, FinTech, and UGC platforms.

My background in Social Psychology and Data Analysis helps me scope research needs, understand human behavior, and identify UX improvements.

CV (PDF)   •  LinkedIn↗  •  nikita@chumak.io

Case Studies

CASE #1

Decreased time research for simple hypothesizes

👤: ResearchOps at Yandex Ads
📈: Decreased time from of >7 days to 1 day
🏷️: Democratizing research, ResearchOps, AdTech

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CASE #2

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Influencing the Echo Chamber Effect and the Placebo Effect in Evaluating User Satisfaction

👤: UX Researcher at Pikabu
📈: xxx
🏷️: Quant, Survey, R, Statistic, UGC

CASE #3

Enhancing User Experience through Usability Testing

👤: UX Researcher at Pikabu
📈: xxx
🏷️: Qual, U-test, Interview, UGC

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CASE #4

Increased tNPS by implementing recommendations with results usability testing and data analytic

👤: UX Researcher at MTS Bank
📈: increased tNPS from -3 to 45
🏷️: Qual, U-test, Interview, Quant, NPS, Data Analysis, FinTech

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FAQs

Skills, Education, Tools, Certifications
  • Languages: 🇺🇸 English C1, 🇷🇺 Russian native, 🇺🇦 Ukrainian B2
  • User Experience: Communication, Qualitative research, Usability testing, In-depth user interview, Heuristic Evaluation, Quantitative research, Survey Design, UX Design Principles, UX Measuring, HCI & UCD, Design Thinking, Data Analysis, Statistical Analysis
  • Education: BA Social Psychology, UNECON, Saint-Petersburg, Russia, 2012-2016
  • Tools: Maze, Figma, MySQL, RStudio, Excel (Advanced), Google Analytics, Alchemer, Axure
  • Certifications: Generative Al for Product Managers 2024; Questionnaire Design for Social Surveys 2022; Google Foundations of UX Design 2021

For detailed information about my work experience, you can check my LinkedIn↗ or view my CV. Both contain comprehensive information about my career progression and achievements.

I specialize in UX research and user behavior analysis to enhance digital experience. Send me your project details via email nikita@chumak.io, and I’ll let you know if I can help.