• Product designer.
  • User researcher.
  • Vibe coder.
  • Actual coder.
  • SQL query writer.
  • 0 to 1 doer.

KevanLin

Portrait of Kevan Lin smiling with arms crossed.

AI experiments

Boulevard dashboard: greeting, net sales breakdown, AI recommended actions, disputes, and operations queue.

The Edit

An exploration of integrating AI into day-to-day parts of the Boulevard app — recommended actions, queue insights, and merchant-facing surfaces.

Dark-themed audio transcription UI with waveform and transcript output.

Transcript Buddy

Generate a transcript from an audio file and work with the result as markdown — built to scratch my own workflow itch.

Dispute and defense information for card networks on a dark UI.

Adyen disputes helper

A visual read on disputes across card networks — what to upload and how defenses map to reason codes.

Dispute case card showing status and bank outcome message.

Dispute status viewer

Browse dispute outcomes and messaging states without wiring up a full payments backend — useful for design and QA.