Work

  • Toss Securities
    Toss Securities
    Frontend Developer
    Feb 2026 - Current
    • Working as a frontend developer at Toss Securities.
  • Kakaopay Securities
    Kakaopay Securities
    Frontend Developer
    Nov 2024 - Jan 2026
    • Built key user experiences for a recurring investment service used by over 1.6 million people.

    • Quickly adapted the service to financial regulation and policy changes, designing smooth UX flows that clearly guide users through updates — helping reduce drop-off and keep users engaged.

  • Viva Republica (Toss)
    Viva Republica (Toss)
    UX Engineer Assistant
    Jan 2024 - Oct 2024
    • Worked on improving productivity for over 150 frontend developers and 50 product designers across Toss community by leveraging design systems and design tools.
  • Nudge Healthcare (Cashwalk)
    Nudge Healthcare (Cashwalk)
    Frontend Developer Intern
    Dec 2023 - Jan 2024
    • Worked as a frontend developer intern at Nudge Healthcare.