Sijin Yang
Available for internships ↗

Product · Data · Strategy · Engineering

Sijin
Yang.

I turn messy systems into clearer decisions. I design, analyze, and build across product, research, data, and technology.
Selected work ↓
University of Washington · Seattle
2026 portfolio
01 — Selected work

Systems, products, and research built with restraint and evidence.

NewsTrader 01
Product · Data · Full-stack · Experimentation
View project →
Paper-only research system · Summer 2026 — ongoing
Evidence
over instinct.
Live execution — disabled
Automatic promotion — not permitted
Human review — required
Course Companion 02
AI product · Full-stack · UX · Education
View project →
Assignment,
understood.
Ask the course.Context-aware help without leaving the Canvas workflow.
Seattle’s World Cup 03
Mixed methods · Data · Community research
View project →
26
A global event through a local lens.
Diaspora identityPublic spaceYouth cultureSeattle
Sakana Sushi 04
Analytics · Strategy · Operations
View project →
+47%
Followers
+38%
Profile-driven reservations
−22%
Order errors
Real operating systems · measurable outcomes
SoundSmart 05
Product · UX · Data · Fintech concept
View project →
Monthly snapshot
$2,418
“Where did I overspend this month?”

Dining increased 18%. Three purchases account for most of the change.

More than
one lane.

I’m most useful when a problem sits between disciplines.

I can move from research to product decisions, from a metric to an interface, or from a messy workflow to something people can actually use.

Focus areas

01Product strategy & problem framing
02Data analysis & experimentation
03Mixed-methods research
04Full-stack prototyping
05Operations & systems thinking

Selected context

2026NewsTraderData analyst & developer
2026UW Summer InstituteUndergraduate researcher
2025 —Montlake Consulting GroupConsultant
2024 — 25Sakana SushiOperations & digital strategy lead