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Fabien Rousselot

Senior Product Designer

Project Review
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Fabien Rousselot

Senior UX/UI Designer

Project Review

Improved Bidding Room

Web
Auction Mobility’s original bidding room interface had become outdated, with limited functionality and a design that no longer met the needs of modern users.

Some customers with visual-centric inventories, such as fine art, found the images too small and the layout too cluttered, making it difficult to showcase their products effectively. Others expressed concerns that the live video feed—a crucial feature for them—was not prominent enough, while some felt that the current item up for bid lacked sufficient visibility.

As Auction Mobility continued to grow, the demand for a more adaptable and user-friendly interface became increasingly clear. My role was to redesign the bidding room experience, addressing these challenges by implementing a more advanced design system, improved color hierarchy, and a layout that enhanced engagement and usability.

The bidding room design was starting to become outdated and was not not adaptable to all type of businesses.

The new interface needed to incorporate additional functionalities that could accommodate both experienced and novice bidders. My role was to create a versatile design that offered improved usability, a better visual hierarchy through an enhanced color system, and consistency by implementing a robust design system.

LOT FOCUS VIEW

VIDEO FOCUS VIEW

+16%
User Engagement
-20%
Bidding Error
+12%
Completed Bids
-25%
Development Time

VERSATILITY
Discussions with a selected group of auction houses encouraged us to introduce small layout variations to accommodate all type of preferences. Those variations would be available at set up and inter-changeable for a maximum versatility. For instance, we offered the option to display the upcoming lots in a grid or list view, accommodating customers with few lots and beautiful imagery (like fine arts or wines) as opposed to customers with a large inventory and fast auction pace (like tools and machinery).

Variations were introduced, like the preferred layout for upcoming lots.

INTRODUCTION OF A PROGRESS BAR
A new innovation was to introduce a progress bar that indicated the remaining lots to come converted into a percentage. It offered a simple yet interesting visual clue of the auction development and gave the bidders better context. A small change that elevated the general user experience and engagement.

SMOOTH BIDDING FLOW
Bids can come in quick and it was not rare that someone places a bid and gets instantly outbid creating confusion. By introducing a simple color code (dissociated from the client’s branding), we created a clear visual clue for the bidder to tell if he is in leading position or not. Along with this change, we imposed a short delay (500ms) to the system when shifting between winning and losing states. This enabled enough time for the sequence or events to make sense for each bidder. A couple of small changes that definitely provided needed clarity and ultimately promoted a stronger sense of excitement during bidding battles.

Some interviews with users revealed that it was not clear for all if they were the leading bidder or not as bids come in fast. A clear flow between the different bidding states associated with a simple color code created better understanding and increased participation.

Change is not for everyone

Some of our older users (bidders and/or auctioneers) were not necessarily enthusiastic with the change. For that reason, we preserved the original design but simply translated it using our newly built design system components. This “classic” option was kept as part of the options customers could choose from during their initial setup.

The redesigned bidding room interface led to a substantial improvement in user experience and engagement. The introduction of guidelines and reusable components with the Design System helped establish a cohesive experience for the users but also reduced the development time needed for all adjustments and updates.

Fabien Rousselot
Senior Product Designer
Available for full-time and freelance work

With over 12 years of experience crafting user-centered digital products, I specialize in creating intuitive and visually engaging interfaces across mobile, web, and desktop platforms. My expertise spans the full design process—from user research and wireframing to high-fidelity prototyping and usability testing. I have a strong focus on building and maintaining scalable design systems, ensuring consistency and efficiency across projects.

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