Career path

Gayoung Kang · Senior Product Designer

8+ years across AI, consumer products, fintech, and developer platforms

Career & education

2017–Present

01

Career

01

Vivident Korea · OSHIZ

Lead Product Designer

Term
2025.01–Present
Domain
AI Companion · Relationship Design · Live Service
Products
OSHIZ

Leading OSHIZ across research, FGT, CBT, launch, and live operations. Repeated user testing shifted the product from a character chat experience toward a relationship-centered service connecting exploration, DMs, dates, shared activities, and affinity progression.

Responsibilities

05
  • 01

    Defined product direction through user research, FGT, and CBT.

  • 02

    Set product strategy and launch priorities with leadership.

  • 03

    Defined KPIs and behavioral tracking events.

  • 04

    Led launch execution across product functions.

  • 05

    Used live-service data for continuous improvement.

Outcomes

03
  • 01

    Launched a zero-to-one AI companion.

  • 02

    Designed a relationship-centered product structure.

  • 03

    Established a relationship funnel and KPIs.

02

Hyper X · Hyperconnect

Product Designer

Term
2023.11–2024.12
Domain
Consumer AI · Activation · Interaction Design
Products
MEL

Designed onboarding and character creation for MEL and earlier AI initiatives. Analysis of beta behavior and user interviews identified choice overload as an activation barrier, so the creation experience was simplified to help users reach their first successful interaction faster.

Responsibilities

04
  • 01

    Analyzed beta behavioral data and user interviews.

  • 02

    Improved the activation funnel.

  • 03

    Designed a preset-first creation experience.

  • 04

    Designed experiences across iOS, Android, and web platforms.

Outcomes

03
  • 01

    Launched MEL.

  • 02

    Built a consistent multi-platform experience.

  • 03

    62% of beta users selected the preset-first creation path.

03

M2 Ventures · Peer / PIP

Product Designer · Product Manager

Term
2022.06–2023.11
Domain
Fintech · Web3 Payments
Products
Peer · PIP

Built Peer App and PIP around financial experiences people could understand intuitively. Co-owned product structure, priorities, and launch planning while connecting the consumer and developer products.

Responsibilities

04
  • 01

    Designed the Peer App user experience.

  • 02

    Led product management for PIP.

  • 03

    Defined feature priorities and launch scope.

  • 04

    Led launches in Korea and the United States.

Outcomes

02
  • 01

    Launched Peer in Korea and the United States.

  • 02

    Built a shared consumer–developer interaction system.

04

Stipop

Product Designer · Product Manager

Term
2020.01–2022.03
Domain
Developer Platform · Creator Economy
Products
Dashboard · Stipop App · B2D website · Docs · Studio

Connected the SDK, dashboard, studio, and documentation into one platform experience. Used Mixpanel data to frame product problems and contributed across design, product strategy, and OKR execution.

Responsibilities

04
  • 01

    Designed platform UX.

  • 02

    Contributed to the product roadmap.

  • 03

    Framed problems with Mixpanel data.

  • 04

    Drove OKR execution and validated new-product hypotheses.

Outcomes

02
  • 01

    Achieved over 80% of planned key results.

  • 02

    Supported global expansion during Stipop’s participation in Y Combinator S21.

05

Studio Jellgom

Founder · Product & Brand Designer

Term
2017.02–2019.10
Domain
Consumer IP
Products
Jellgom Character IP

Built a consumer IP firsthand across product planning, branding, merchandise production, crowdfunding, sales, and platform distribution.

Responsibilities

02
  • 01

    Led product planning and brand design.

  • 02

    Led merchandise production, crowdfunding, sales, and distribution.

Outcomes

02
  • 01

    Ranked among Kakao’s top 100 emoticons.

  • 02

    Expanded distribution to LINE and developed brand collaborations.

02

Education & research

2017–2019 · M.S.

Seoul National University of Science and Technology

Design & Technology Convergence

Researched and prototyped personalized experiences using AR, machine learning, information architecture, and user-centered methods.

  • 01 · Patent · 10-2249787-0000 ·

    My Skin Curator (2019)

    AR- and machine-learning-powered cosmetics recommendation service.

  • 02 ·

    Research prototype

    ·

    PLAi (2018)

    AI speaker concept for pet-loss support, grounded in HCI research and simulation testing.

  • 03 ·

    Research prototype

    ·

    BETO Sleep Coach (2017)

    Infant sleep coaching solution spanning research, IA, physical user interface design, and beta prototyping.