Марія

Portfolio

Mariia Sinkova [open contact info](look above in the "contact info" section)

UI/UX Designer [open contact info](look above in the "contact info" section)

Summary S kills

Design Methods
Product Designer with 4 + years of experience in mobile-first consumer apps. For the
past 2 years at KMA — running A/B experiments, forming data-driven hypotheses that Wireframing

directly impact revenue, and collaborating tightly with analytics. I work at the Prototyping

intersection of design, behavioral psychology, and growth. Experienced in 0-to-1 Auto-layout

product building, design systems, and AI-assisted workflows. Passionate about
Components
products that drive real behavior change.
Team libraries

Design systems
Experience
UI Animation

“Kiss My Apps” – Product Designer

05.2024 - Untill now
Research Methods
Designed and iterated across 3 subscription consumer apps (Heart Rate Monitor, Competitive Analysis

Translator, Location Tracker) — iOS, Android, and web acquisition funnels — from
Survey Design & Analysis
information architecture and onboarding to paywall and retention flows.

User Persona & Key Scenario
Heart Rate Monitor grew 5× in revenue within one year; the trial-to-paid conversion
Tree testing & Card sorting
hypotheses I proposed became long-term winners that continue to outperform in

A/B tests.

Value Proposition Canvas
Designed a paywall for Location Tracker with no free trial — converting users Information Architecture

directly to paid through anchoring and comparative pricing mechanics. The
Usability Testing

concept became an internal benchmark and was subsequently adopted by multiple
JTBD & CJM
competitors in the same category.

Own the full hypothesis pipeline: conduct corridor testing and UX research, map
Languages
information architecture, identify drop-off points via Amplitude funnels and

retention cohorts, translate findings into prioritized A/B test hypotheses.

English: Upper-intermediate
Work closely with the analytics team in Amplitude — analyzing conversion funnels, Ukrainian: Native
cohort retention, and event flows to validate design decisions and measure

experiment results.

f
So t S kills
Designed web acquisition funnels alongside mobile products, maintaining
Problem solving
conversion-focused consistency across touchpoints.
Open-mindedness

Time management
“SharPay” – Product Designer

Collaboration
03.2023 - 09.2025

Designed mobile and desktop banking product in Figma — dark/light theme, full Communication

user flow mapping, and interactive high-fidelity prototypes.

Creativity

Collaborated with developers, QA, and marketing in cross-functional delivery.

“ Yazz” – Product Designer E d uca toi n

03.2023 - 03.2024 ( 1 year)
Led end-to-end product design for Yazz Business — a mobile app for managing j
Pro ector

fishing operations — as sole lead designer with one junior.
10.2020 - 12.2021

Delivered M VP from research to production in 4 months
Web design. Beginner

Conducted usability testing and collaborated with data scientists to identify UX

issues; implemented changes that drove a 5 6.89% growth in active users within 2 C ursor

months.
02.202 1 - 06.2021
Ensured platform-wide consistency through component documentation and UI UI/UX design course

system.

Partnered cross-functionally with founders, PMs, and engineering in Agile sprints.
V oid

04.202 1 - 05.2021
“Nikos-LTV” – Teacher & Mentor UI/UX intership

02.2023 - 05.2023 (4 months)

Assisted 20 students in expanding design knowledge and proficiency. Teaching Q b u Studio

students through a variety of methods such as lectures, practical sessions, and project 09.202 1 - 10.2021
management.
UI/UX intership

Developed courses, created educational materials, and closely monitored student
progress.

j
Pro ector
Provided one-on-one consultations and worked collaboratively with a team to ensure
05.2023 - 0 8.2023
student success.
UX design. Medium

“Avada Media” – UI designer
09.2022 - 04.2023 ( 7 months)
Academic Background
Developed landing pages and email ads; generated a 21% open rate per day.

Creating moodboards, lo-fi and hi-fi prototypes, animations, and branding for projects.
B l
ache or Degree

Work closely with the development team to implement the design vision and create hi- 09.20 17 - 10.2022
fi interactive prototypes that accurately demonstrate the proposed design.
Architecture & Urban planning
Creating mockups for Web and Mobile applications

“Vanguardi” – UI/UX designer
10.2021 - 08.2022 (11 months)
Conducted competitor analysis using Hotjar and Baymard research — recommendations
resulted in increased product sales.

Redesigned infographics and assets for Equitiestracker — achieved 49% open rate and
11% CTR (2× the usual metrics).

Adapted product designs for Android and iOS; created user flow maps, wireframes, and
UI iterations.