oleh.tatarchuk

Professional CV

Senior UX/UI Designer with 8+ years of experience in AI-powered design solutions, enterprise platforms, and scalable design systems.

Oleh Tatarchuk

Senior UX/UI Designer | AI & Design System Specialist

Lviv, Ukraine, Remote+380-63-622-6867tatarchuk.design@gmail.comlinkedin.com/in/o-tatarchuktatarchuk.design

Professional Summary

Creative and data‑driven Senior UX/UI Designer with 8+ years of experience delivering enterprise‑grade financial platforms, global e‑commerce sites, and AI‑powered design solutions. Expert in scalable design systems, tokenised component libraries, interactive prototyping, and AI‑assisted workflows that bridge Figma to production code. Proven record of accelerating time‑to‑market, improving user satisfaction, and saving over $400K in engineering effort through AI automation.

Core Skills

  • • Design Systems & Design Tokens
  • • AI‑Driven Workflows & Prompt Engineering
  • • Interactive Prototyping (Figma)
  • • UX Research & Data‑Driven UX Audits
  • • Enterprise Dashboards & Data Visualisation Design
  • • Figma/HTML/CSS Handoff & Developer QA
  • • Stakeholder Workshops & Business Communication
  • • Mentoring & Team Leadership

Toolset

  • • Figma / FigJam
  • • Sketch
  • • Adobe XD
  • • Adobe Photoshop
  • • VS Code
  • • Storybook
  • • Roo Code AI Agent
  • • Augment AI

Professional Experience

EPAM Systems

Senior User Experience Designer

Apr 2021 – Present
  • • Own and evolve a 100‑component, 400+‑token Design System for an enterprise fintech platform, cutting design-to-dev cycle time by 35%.
  • • Architected an AI pipeline that converts Figma designs to production‑ready React code, saving US$400K+ in engineering costs already.
  • • Delivered widget layout builder used in pre‑sales demos, enabling stakeholders to assemble dashboards in minutes.
  • • Prototype complex data‑visualisation widgets and dashboards for multi‑billion‑row financial datasets.
  • • Facilitate FigJam workshops on Design System governance and dashboard UX flows; liaise directly with C‑suite stakeholders.
  • • Provide QA and design sign‑off for developer builds; collaborate with BAs and PMs across Agile and Scrum sprints.
  • • Mentor junior designers and champion AI best practices across design org.

Nestlé Business Services

UX/UI Specialist

May 2020 – Apr 2021
  • • Established the UX Optimisation Services line; led UX audits using SessionCam & Usabilla across global brand sites.
  • • Produced 50‑page UX analysis for France's largest food & beverage site, surfacing insights that drove a 9% conversion lift.
  • • Designed responsive product & article page templates in Figma adopted by 20+ brand managers worldwide.
  • • Set up qualitative and quantitative user feedback pipelines; trained cross‑functional teams on research best practices.
  • • Onboarded and mentored new team members, expanding the service line from 1 to 5 designers.

Sale Partners — Web Designer

Nov 2018 – Oct 2019

Designed high‑converting landing pages achieving 15% increase in lead capture. Delivered bespoke brand identities for SMB clients.

Prom.ua — Web Designer

Nov 2017 – Nov 2018

Redesigned e‑commerce platform improving UX KPIs: bounce rate –20%, mobile conversion +12%.

Education

Master of Education in Information Technology
Ternopil National Pedagogical University

Personal Projects & Case Studies

AI-Driven Figma-to-React Production Ready Code

2025
  • • Architected custom Figma plugin that extracts comprehensive component data (tokens, properties, variants, autolayout structure) and generates production-ready React components via AI automation.
  • • Developed AI rules, logic, and QA templates achieving 95% first-shot accuracy for pixel-perfect component generation.
  • • Created 30+ atomic Radix-based components with complete .tsx files, .module.css, and .stories.tsx documentation.
  • • Extended system to generate complex patterns: responsive Modals, Drawers, and Widgets with AG Grid tables and HighCharts integration.
  • • Delivered fully functional prototypes deployable as standalone applications using Vercel, eliminating traditional design-to-development handoff delays.

Financial AI Buddy Mobile Application

2025
  • • Designed and developed comprehensive fintech mobile app featuring 40 professional-grade financial calculators using React Native and AI-assisted development tools.
  • • Implemented mortgage analysis, investment projections, retirement planning, and loan comparison tools with professional chart visualizations and PDF export capabilities.
  • • Validated solution with US-based Financial Advisors, confirming market need and effectiveness for client presentations.
  • • Achieved 2-week development timeline through strategic use of v0.dev for rapid UI prototyping and Augment/Roo Code for accelerated React Native development.

AI-Powered Lawn Care Mobile Application

2025
  • • Conceptualized and developed mobile application addressing comprehensive lawn maintenance tracking gap in the market.
  • • Integrated OpenWeather API for real-time environmental data and Google Gemini 2.5 Pro for intelligent, personalized lawn care recommendations.
  • • Implemented activity logging, resource management, and AI-driven suggestion engine analyzing user behavior patterns, weather conditions, and seasonal factors.
  • • Completed full development cycle in 1 week using React Native with Expo, demonstrating AI-assisted development methodology effectiveness.

Languages

  • • English — Advanced (C1)
  • • Ukrainian — Native
  • • Polish — Intermediate