
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.
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
CASE #2
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
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
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:
Publications
- My articles in 🇺🇸 English my blog
- My articles in 🇷🇺 Russian on vc↗
- My articles in 🇺🇦 Ukrainian on ux.pub↗
- My performance↗ at PLUS World 2021↗ (in 🇷🇺 Russian)
Work Experience
Do You Offer Consulting?
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.