Hi I'm Bianca, a product and UX designer with a background in UI/UX and graphic design, focusing on driving product engagement through thoughtful design systems and streamlined workflows. I enjoy turning complex problems into clear, delightful user experiences. Most recently I led design at HelloToby, then transitioned to independent UI/UX and graphic design consulting, delivering AI-powered search features for LeetCode and a major AI chat function and homepage revamp for HelloToby.…

Bianca, Mak Tsz Chau

Hi I'm Bianca, a product and UX designer with a background in UI/UX and graphic design, focusing on driving product engagement through thoughtful design systems and streamlined workflows. I enjoy turning complex problems into clear, delightful user experiences. Most recently I led design at HelloToby, then transitioned to independent UI/UX and graphic design consulting, delivering AI-powered search features for LeetCode and a major AI chat function and homepage revamp for HelloToby.…

Available to hire

Hi I’m Bianca, a product and UX designer with a background in UI/UX and graphic design, focusing on driving product engagement through thoughtful design systems and streamlined workflows. I enjoy turning complex problems into clear, delightful user experiences.

Most recently I led design at HelloToby, then transitioned to independent UI/UX and graphic design consulting, delivering AI-powered search features for LeetCode and a major AI chat function and homepage revamp for HelloToby.

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Skills

Experience Level

Figma
Expert
Adobe XD
Expert
Product Design
Expert
Sketch
Expert
UI
Expert
InVision
Expert
Web Design
Expert
Webflow
Expert
Adobe Illustrator
Expert
Adobe Photoshop
Expert
Branding
Expert
CSS
Expert
HTML5
Expert
Framer
Intermediate
JavaScript
Intermediate
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Language

Work Experience

Independent UI/UX Design Consultant at Self-employed / Independent
June 1, 2025 - August 1, 2025
Established as an independent UI/UX and graphic design consultant; led projects including designing an AI-powered search function for LeetCode and implementing an AI chat feature plus a responsive homepage revamp for HelloToby.
UI/UX Designer at HelloToby
February 1, 2022 - May 1, 2025
Create consumer and supplier UI/UX design direction; set up design framework and design library; optimize workflows; manage project timelines; develop UX research framework; monitor and mentor HelloToby HK design team; assist in UI/UX for Cainiao order management and admin panel; contributed to increased conversion rates for cleaning, store, and PPL chat service.
Assistant Creative Director at Harpia Connect
March 1, 2021 - February 1, 2022
UI/UX design for SaaS product One Connect; integrated services for WhatsApp, Signal, SMS, e-signatures, OCR, and chat bot automation in sales and customer engagement.
Senior UI/UX Designer at Goodest Lab
March 1, 2020 - March 1, 2021
Responsive web design for Car Money (vehicle financing) and Car 8 Magazine; online and offline promotional material design for Car Wash.
Senior Web Designer at Double Eleven Design Studio
August 1, 2016 - September 1, 2017
Design and art direction for responsive websites; design research and reference work; produced a responsive website for WMA and a personalised Christmas E-card system for BM.
Senior Web Designer at Studio SAN
August 1, 2013 - February 1, 2016
Responsive web design and project management; delivered multiple client websites including Chow Tai Fook, Food Angel, More Hug, and others with recognition.
Graphic Designer at Fimmic
March 1, 2012 - February 1, 2013
Social media advertising design; Facebook game and campaign design.
Product Designer (UI/UX) at HelloToby
February 1, 2022 - May 31, 2025
Create consumer and supplier side product UI/UX design direction, set up framework and design library; optimize workflows and manage project timelines; create guidelines and frameworks for designers (e.g., UX research framework); monitor and mentor design teams in HK/TW; assist in UI/UX design for Cainiao’s order management and admin panel; contribute to conversion improvements for various services.
Senior UI/UX Designer at Harpia Connect
March 1, 2021 - February 1, 2022
UI/UX design for the SaaS product One Connect, integrating services for WhatsApp, Signal, SMS, e-signatures, OCR, and chatbot automation in sales and customer engagement.
Senior UI/UX Designer at Goodest LA
March 1, 2020 - March 1, 2021
Responsive web design work for clients including Car Money; online/offline promotional material design for Car Wash; project management including timelines, feedback handling, and client communications.
Senior Web Designer at 22 Digital
August 20, 2016 - September 20, 2017
Corporate/campaign responsive website design for brands such as CLÉ DE PEAU, Nike, Sulwhasoo, Amore Pacific, Laneige; project management including timelines, feedback, revisions, and client communication.

Education

Bachelor Degree of Communication Design at Royal Melbourne Institute of Technology, Australia
January 1, 2008 - January 16, 2026
Associate Degree of Communication Design at The Hong Kong Polytechnic University
January 1, 2006 - January 16, 2026
Bachelor of Communication Design at Royal Melbourne Institute of Technology (RMIT), Australia
January 1, 2008 - January 16, 2026
Associate Degree of Communication Design at The Hong Kong Polytechnic University
January 1, 2006 - January 16, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Education
    uniE621 OneConnect: Innovative SaaS CRM Solution for B2B Engagement
    <h2>Background</h2> OneConnect is a SaaS platform that streamlines sales automation, digital customer engagement, and CRM workflows. —similar to tools like Twilio and Zendesk but with a stronger focus on AI-driven automation and omnichannel integration. <h2>Key Deliverables</h2> As the UI/UX Designer, I crafted an intuitive interface that unifies: AI Chatbots & Auto-Responders (24/7 customer support) Multichannel Messaging (WhatsApp, SMS, Email, Web Chat) Advanced Tools: Video conferencing, OCR (optical character recognition), booking systems, and seamless API integrations. The platform was optimized for remote-business needs during COVID-19, ensuring automated marketing and engagement without sacrificing usability. To simplify complex workflows, I designed an intuitive drag-and-drop bot builder that adapts to diverse client needs—from sales automation to customer support. By analyzing real-world user scenarios, I ensured: Seamless Workflow Integration: Customizable automation paths for different industries. Zero-Code Usability: Empowering non-technical users to build and deploy bots independently. Error-Resilient Flows: Clear visual cues and validation to prevent misconfigurations. webdesigner…
    uniE621 Responsive Web Design for B2B Flying Speed Logistic company
    <h2>Background</h2> Flying Speed Logistic (Hong Kong) Co, Limited established since 2013. They have operated for over 20 years and would like to promoted their service online and offer online enquiry funnel for job enquiry. <h2>Key Deliverables</h2> The site emphasizing legibility and brand identity. The design incorporates cohesive branding elements and engaging micro-interactions to enhance user experience. The responsive layout ensures optimal viewing on all devices, making the site visually appealing and user-friendly while reflecting the client’s professional image. webdesigner…
    uniE621 Tailored Responsive Website design for Global eSIM card
    <h2>Background</h2> Introduce of new product which is a global eSIM card. The purchase link requiring a dedicated, prominent entrance on the main site, meanwhile a distinct, user-friendly flow tailored specifically for international customers. <h2>The Goal</h2> Creating a prominent main site entrance, establishing clear content hierarchy, simplifying price comparison, and providing concise steps to maximise conversion for international users. webdesigner…