Umi Yang

- Launched a 0→1 virtual streaming product by identifying market opportunities and defining differentiated interaction models, onboarding 1,000+ streamers within a month, capturing 28.2% of daily audience, and generating 9.5% of platform revenue.

- Improved activation and conversion by analysing user behaviour (e.g. drop-offs and interaction patterns) and iterating on onboarding and engagement flows, achieving a 22.4% daily engagement rate.

- Built AI-driven workflows (vibe coding, NotebookLM) to automate research synthesis and data visualization, reducing analysis time by over 60% and accelerating product decision cycles across a team of 10+ designers, directly supporting roadmap prioritisation and successful product launches.

- Turned cross-regional research (3,000+ users across JP/TW/SEA) into product hypotheses and rapid experiments to drive product market fit and localisation.

- Redesigned core chatroom experience by addressing long-standing design legacy issues through mixed-method research (interviews, 5,000+ survey responses, A/B testing), resulting in a 78% increase in CSAT and successful roadmap integration.

- Reduced rework by 40% by validating product decisions early through prototyping and close collaboration with Product and Engineering.

- Led product design for a multi-sided e-learning platform serving 1.23M users across 300+ schools, aligning the needs of students, parents, teachers, and public-sector stakeholders within a single system.

- Unified fragmented workflows (course registration, attendance, payments, learning resources, communication) into a scalable end-to end platform, reducing operational complexity and improving system usability.

- Translated diverse user needs (ages 8–80) and policy constraints into clear product decisions, prioritising features and workflows to support adoption across varied user roles.

- Conducted 12 mixed-method research studies to uncover behavioural patterns and system-level friction, informing product strategy and iterative improvements.

- Scaled the platform to 6M+ app users and 1.78B page views, introducing engagement features that increased participation by 67%.

- Contributed to digital transformation initiatives for semiconductor manufacturing, translating on-site operational workflows into early-stage smart factory concepts (spatial planning, system integration, digital management tools), bridging physical workflows with digital system design.

- Supported cross-functional workshops with enterprise stakeholders, synthesizing research insights into actionable service and product directions.

- Conducted market and user behavior research for an optical R&D team, shaping early-stage product directions for 3D projection technologies under high ambiguity, combining stakeholder input, research insights, and business constraints.

Worked across enterprise (B2B) and emerging tech contexts, developing initial product hypotheses for industrial and consumer-facing applications

- Facilitated ideation workshops with startups, contributing to 0→1 product exploration and concept framing.