Denis Lesak, Designer in Burbank, CA, United States
Denis is available for hire
Hire Denis

Denis Lesak

Bio

Denis is a product designer specializing in 0-to-1 products and complex systems. He's led design across mobile, web, and emerging platforms at Meta, Disney, and Ticketmaster, turning ambiguous ideas into intuitive, scalable solutions. Denis is known for quickly ramping into new domains and aligning teams to deliver clear, high-impact user experiences.

Portfolio

Work Experience

Product Designer

2020 - 2025
Meta
  • Designed and launched Netflix in VR headset Browser, achieving 600,000+ MAU and exceeding usage goals by 20%.
  • Drove the cross-functional delivery of VR headset Travel Mode, increasing headset retention by 14%.
  • Spearheaded Quest's first cross-device for the VR headset division's password import feature, decreasing churn and increasing time-to-fun.
  • Designed a developer workflow solution app that increased app developer sales and decreased support costs.
  • Made a developer documentation site that improved app developer sentiment and developer speed to market.
  • Created a developer marketing app that increased user engagement and reduced support costs.
  • Led multiple high-impact projects across the Meta Quest VR headset platform and browser experience.
  • Drove the design and facilitation of a design sprint, influencing 2025 strategic investments.
  • Delivered shortcuts to frequently visited websites, enhancing usability and reducing typing friction in VR.
Technologies: Figma, Design Systems, User Interface (UI), User Research, User Experience (UX), Mobile, User Journey Maps, Product Design, Usability Testing, Data Visualization, Visual Design, Prototyping, Responsive Design, Mobile UX, User Journeys, Enterprise SaaS, Motion Design, Desktop, UX Design, Web, Enterprise, Photoshop CC, DataViz, Team Leadership, AI-powered Product Design, AI Design, Dashboard Design, Interaction Design (IxD), Interactive Prototypes, Wireframing, B2B, B2C, Conversational UX

Senior Product Designer

2019 - 2020
Disney Studios
  • Designed a 3D modeling responsive web application for mobile, tablet, and desktop experiences.
  • Created a digital fingerprint desktop web application.
  • Made a master specs guidelines responsive web application.
  • Designed a TV operating system app for children's hospitals that increased user retention and user sentiment.
  • Spearheaded the design of a new design system, including design and handoff of 30 global components along with foundational elements: color, typography, spacing, grid, icons, motion, and elevation for both light and dark themes.
Technologies: Design Systems, User Interface (UI), User Experience (UX), Mobile, User Journey Maps, Product Design, Usability Testing, Data Visualization, Visual Design, Prototyping, Responsive Design, Mobile UX, User Journeys, Figma, Enterprise SaaS, Motion Design, DataViz, Desktop, UX Design, Web, Enterprise, Photoshop CC, Team Leadership, Dashboard Design, Interaction Design (IxD), Interactive Prototypes, Wireframing, B2B

Head of Design Operations

2018 - 2019
Ticketmaster
  • Led all design operation efforts for Ticketmaster design as the company’s first-ever head of design operations.
  • Launched and designed 30 global components for a new design system.
  • Achieved 100% design system adoption among designers; 40% among engineers.
  • Created multiple Framer prototypes to assist engineering.
  • Designed all component usage guidelines and designs on Ticketmaster.
Technologies: Design Systems, User Interface (UI), User Experience (UX), User Research, Visual Design, DataViz, Mobile, User Journey Maps, Product Design, Usability Testing, Prototyping, Responsive Design, Mobile UX, User Journeys, Figma, Enterprise SaaS, Motion Design, Desktop, UX Design, Web, Enterprise, Dashboard Design, Interaction Design (IxD), Interactive Prototypes, Wireframing, B2B

Senior Product Designer

2017 - 2018
Ticketmaster
  • Led all design efforts for the successful launch of an enterprise web application.
  • Managed all usability testing for the new application launch.
  • Coordinated all UI/UX, prototyping, and interaction design efforts.
  • Created multiple Framer prototypes to assist engineering.
  • Designed a color system for complex data visualization elements.
Technologies: Design Systems, Visual Design, User Interface (UI), User Experience (UX), DataViz, Mobile, User Journey Maps, Product Design, Usability Testing, Data Visualization, Prototyping, Responsive Design, Mobile UX, User Journeys, Figma, Enterprise SaaS, Motion Design, Desktop, UX Design, Web, Enterprise, Dashboard Design, Interaction Design (IxD), Interactive Prototypes, Wireframing, B2B

Senior Product Designer

2016 - 2017
Housecall
  • Led all product design efforts for a startup with iOS, Android, and web applications.
  • Coordinated all usability testing for the redesign effort of the app’s most used page.
  • Managed all UI/UX, prototyping, and interaction design efforts.
  • Created several animations to assist the engineering.
  • Designed color, grid, spacing, and typography systems.
Technologies: Mobile, User Journey Maps, Product Design, Usability Testing, Data Visualization, Visual Design, iOS, Android, Prototyping, User Experience (UX), Responsive Design, Mobile UX, User Journeys, Figma, Enterprise SaaS, DataViz, Desktop, UX Design, Web, Enterprise, Dashboard Design, Interaction Design (IxD), Interactive Prototypes, Wireframing, B2B

Lead Product Designer

2015 - 2016
Service Titan
  • Led all product design efforts for a startup with web, iOS, and Android mobile applications.
  • Managed a successful launch of the redesigned mobile app in the home service industry.
  • Conducted all usability testing and user interviews.
  • Led all UX, prototyping, and interaction design efforts.
  • Designed color, spacing, grid, and typography system.
Technologies: Mobile, User Journey Maps, Product Design, Usability Testing, Data Visualization, Visual Design, iOS, Android, Prototyping, User Experience (UX), Responsive Design, Mobile UX, User Journeys, Figma, Enterprise SaaS, DataViz, Desktop, UX Design, Web, Enterprise, Dashboard Design, Interaction Design (IxD), Interactive Prototypes, Wireframing

Senior UX Designer

2014 - 2015
Nordstrom Rack/Hautelook
  • Led mobile web redesign efforts for both www.hautelook.com and www.nordstromrack.com.
  • Learned the business by meeting with cross-functional leadership reviewing web analytics for both web and iOS apps.
  • Instituted low budget, guerrilla-style user interview program to observe and record user shopping behavior across the entire consumer lifecycle.
  • Achieved 0.2% conversion lift by designing proactive size filter feature.
  • Designed several feature improvements for the iOS app.
Technologies: Mobile, User Journey Maps, Product Design, Usability Testing, Visual Design, iOS, Android, Prototyping, User Experience (UX), Responsive Design, Mobile UX, User Journeys, Figma, UX Design, Web, Enterprise, Dashboard Design, Interaction Design (IxD), Interactive Prototypes, Wireframing, B2C

Education

1994 - 1998

Bachelor of Science Degree in Consumer Science

University of Wisconsin – Madison - Madison, Wisconsin, United States

Skills

Tools

Photoshop CC

Platforms

Web, Mobile, Desktop, Figma, iOS, Android

Other

User Experience (UX), User Interface (UI), Enterprise, Enterprise SaaS, UI Design, Mobile UI Design, Mobile UX Design, UX Design, UX Flows, Design Systems, Product Design, Mobile UX, Mobile UI, Web UI, User Interviews, User Flows, User Research, User Journeys, User Journey Maps, Visual Design, Responsive Design, Prototyping, DataViz, UX Leadership, Cross-platform, Dashboard Design, High-fidelity Mockups, Interaction Design (IxD), Interactive Prototypes, Wireframing, B2B, Usability Testing, Data Visualization, Blockchain, Web 3.0, AI-powered Product Design, B2C, Conversational UX, Motion Design, Computer Science, Team Leadership, AI Design

Experience

  • Product Design - 10 years
  • Responsive Design - 8 years
  • Mobile - 8 years
  • Mobile UI - 6 years
  • Visual Design - 5 years
  • Design Systems - 4 years
  • User Research - 4 years
  • Figma - 3 years
Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.

1

Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.
2

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.
3

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring