Bayarbileg Sainbayar

Lead Product Designer

About

Lead Product Designer with 4+ years shipping across mobile, web, and Web3. I lead design teams, build systems adopted across 6+ platforms, and care deeply about making complex products feel simple — and building the infrastructure so teams can do the same.

Experience

Lead Product Designer

MEZORN LLC

2025 March - NOW

Promoted to Lead Product Designer within the first year. Built Grid, a full design system from scratch with light and dark theme token architecture, now adopted across all core Mezorn products — UBCab, UBExpress, and UBEats — serving 1M+ daily users. Leading end-to-end product design across web and mobile, collaborating closely with product and engineering to define product direction, improve usability, and ensure cross-platform consistency.

Head of Design

Portal.mn, MEP LLC

2023 - 2025 March

Assigned as Head of Design within MEP LLC (MongolNFT). Led design vision and execution for Portal.mn across web and mobile, managing and mentoring a design team of 5+ within a broader team of 20+. Built a scalable design system across the platform. Delivered end-to-end design for ticketing and event experiences — including sold-out concerts with 25,000+ tickets sold — integrating with 15+ payment partners and supporting large-scale international events.

Lead Product Designer

BASE NAMe SERVICE, MEP LLC

2022 - 2023

Assigned as Lead Product Designer within MEP LLC (MongolNFT). Owned the complete product design lifecycle for a Web3 naming platform on Coinbase's Base network — from requirements definition with international stakeholders and DAO contributors to final design system. The project won the Thank APE Builders Contest in 2023 for its contribution to decentralized identity infrastructure within the ApeCoin ecosystem.

Lead UX/UI Designer

MongolNFT, MEP LLC

2022 - 2025

Led UX/UI design across multiple Web3 and SaaS products, including NFT platforms, marketplaces, and digital services. Established design systems, improved user flows, and ensured consistency across 10+ projects. Worked closely with cross-functional teams to align design decisions with product goals, delivering user-centered solutions that enhanced engagement and overall product experience.

Front-End & UX/UI Intern

Infinite Solutions LLC

2021-2022

Designed and implemented user interfaces for a supply chain traceability application at one of Mongolia's leading fintech infrastructure companies, serving 1,000+ clients across 9+ countries. Translated design concepts into interactive front-end experiences using Flutter, focusing on real-time data visualization and usability. Also contributed to a blockchain-based project whitepaper, bridging design and technical communication.

Education

Computer Science (BS — Attended)

The University of Michigan

2022

Studied computer science fundamentals at the University of Michigan. Transitioned into product design, applying systems thinking and technical problem-solving to UX.

General Studies STEM (ASGSMS)

Washtenaw College

2019-2021

Completed a STEM-focused associate program covering mathematics, computing, and analytical problem solving. The coursework developed a strong foundation for computer science and digital product development.

Advanced Studies in Mathematics and Physics

Capital General Education School No. 1

2013-2019

Graduated from an advanced high school program focused on mathematics and physics. The curriculum emphasized analytical reasoning, structured problem solving, and scientific thinking.

Advanced Studies in Mathematics and Physics

The Capital Secondary School No. 1

2019

Graduated from an advanced high school program focused on mathematics and physics. The curriculum emphasized analytical reasoning, structured problem solving, and scientific thinking.

Certifications

Product Designer Track

UXCEL

2025

Product Designer Track

UXCEL

2025

Google UX Design

Coursera

2023

Google UX Design

Coursera

2023

Awards

Awwwards — Site of the Day

Base Name Service

2024

Recognition from Awwwards for design and innovation with the Base Name Service project, highlighting excellence in web design, user experience, creativity, and development.

Awwwards — Site of the Day

Base Name Service

2024

Recognition from Awwwards for design and innovation with the Base Name Service project, highlighting excellence in web design, user experience, creativity, and development.

Thank APE Builders Contest

Winner · Base Name Service | ApeCoin Integration

2023

Winner of the Thank APE Builders Contest for developing Base Name Service, a Web3 identity solution integrated with the ApeCoin ecosystem. The project focused on decentralized identity and Web3 infrastructure.

Thank APE Builders Contest

Winner · Base Name Service

2023

Thank APE Builders Contest

Winner · Base Name Service | ApeCoin Integration

2023

Thank APE Merchant Contest

Winner · WOON | Web3 Name ID

2023

Recognized as a winner for WOON, a Web3 naming and identity project designed to simplify digital identity and wallet interactions within decentralized platforms.

Thank APE Merchant Contest

Winner · WOON | Web3 Name ID

2023

Recognized as a winner for WOON, a Web3 naming and identity project designed to simplify digital identity and wallet interactions within decentralized platforms.