Nikita Chumak

UX Researcher  • 📍Warsaw, Poland

Hey! I’m Nikita. 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

Democratizing UX Research: From Bottlenecks to Speed Dating

👤: ResearchOps
🏢: Yandex Ads
📈: Slashed research time from 7 days to 1 day while scaling research capabilities
🏷️: #ResearchOps, #DemocratizingResearch

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CASE #2

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Perception vs. Reality: Unmasking Algorithmic Change Resistance

👤: Senior UX Researcher
🏢: Pikabu — a UGC platform
📈: Enabling confident product decisions despite vocal opposition
🏷️ Tags: #ControlledExperiment, #QuantitativeResearch, #SurveyDesign, #DataDrivenDecisions, #CognitiveEffects

CASE #3

Increased Registration Conversion by 45% with Usability Testing

👤: Senior UX Researcher
🏢: Pikabu — a UGC platform
📈: 45% increase in registration conversion rate
🏷️: #UsabilityTesting, #Registration, #UserOnboarding, #FormDesign, #ErrorHandling

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CASE #4

Banking on Better UX: Transforming Self-Service from Pain Point to Preference

👤: UX Research Lead
🏢: MTS Bank
📈: Increased transactional Net Promoter Score (tNPS) from -3 to 45
🏷️: #NPS #FinTech #UsabilityTesting #CustomerJourney #MixedMethodsResearch #DataAnalysis

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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:

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.