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Caz Ching

Available to hire

I am an experienced and passionate optimization professional with a deep passion for using user research and data analytics to uncover actionable insights and enhance digital experiences with tangible business value.

About

I am an experienced and passionate optimization professional with a deep passion for using user research and data analytics to uncover actionable insights and enhance digital experiences with tangible business value.

With over 5 years of related experience, I help businesses get more out of their spend by identifying prime opportunities for conversions. I thrive in a collaborative environment that makes good use of my strong analytical skills, data-driven strategies and an experimental mindset to drive outcomes. I contribute to cultivating a ‘test and learn’ culture across the business and advocate for the value delivered by Personalisation and Experimentation teams.

  • 4 years' experience
  • Joined January 2026

Industry experience

  • Retail
  • Software & Internet
  • Media & Entertainment
  • Professional Services

Work experience

Digital Optimisation Specialist · Coles GroupOct 2022 – Dec 2025 · 3 yrs 3 mos

Led, developed and executed optimization strategies aligned with Coles' objectives across web and app platforms, including client and server-side experiments. Gathered and documented test requirements, formulated and validated A/B hypotheses through qualitative and quantitative data analysis, and calculated sample sizes and statistical significance. Analyzed test data to uncover data-led insights for the experimentation roadmap; reported outcomes to stakeholders using Adobe Analytics & Target data. Drove continuous innovation by partnering with product teams to apply insights from online experiments to improve customer experiences. Collaborated across Digital Experience, SEO and Product & Engineering teams, and with clients, to ensure optimal outcomes; acted as a subject-matter expert for UX and conversion drivers. Built a culture of 'test and learn' and advocated for the value delivered by Personalisation and Experimentation teams.

Conversion Rate Optimization Manager · Engine RoomNov 2021 – May 2022 · 7 mos

Led the ongoing CRO program to drive conversions across websites and landing pages; from ideation through research and data collection to building optimization strategies that met and exceeded monthly targets. Planned and executed A/B testing and on-site user testing with surveys and heatmaps to understand user behavior; audited GA data across journeys and conversions to identify opportunities for lift; tracked and communicated results to the broader team.

Conversion Rate Optimisation Specialist · King KongNov 2020 – Nov 2021 · 1 yr 1 mo

Planned, conducted and evaluated in-depth market research using qualitative and quantitative methodologies to uncover clients' target markets, competitive landscapes and user needs. Identified opportunities for CRO by understanding users and their goals, and developed ROI-driven optimization plans across landing pages and sales funnels.

Education

BSc, BA (Geography & Sociology) · University of Sydney2030 – 2026
The George Thomas Foundation Prize in Modern Greek Studies · The George Thomas Foundation2014 – 2026

Certifications and awards

The George Thomas Foundation Prize in Modern Greek Studies2014 – 2026

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