Senior Product Designer — Consumer Growth

Bidbus•Costa Mesa, CA

19h•Onsite

About The Position

Bidbus is hiring a Senior Product Designer for its Consumer Growth team to shape the marketplace experience for people selling cars on its platform. The role focuses on creating intuitive, engaging experiences that improve consumer engagement, retention, and growth, and on making the car-selling journey more accessible, rewarding, and seamless. The designer will work closely with Product, Engineering, Data, and Marketing, applying behavioral insights, user research, and experimentation to turn complex marketplace mechanics into simple interfaces that build trust and encourage participation. The position is onsite in Irvine, California, and is full-time.

Requirements

At least 5 years of Product Design experience, focused on growth, marketplace, or consumer platforms.
A strong portfolio demonstrating design process, interaction design, and shipped products that impacted key metrics.
Experience designing web and mobile applications at scale.
Strong understanding of experimentation, user behavior, engagement loops, and product-led growth principles.
Comfort with user research, rapid iteration, and data-driven decision-making.
Ability to take ambiguous problems from discovery through product launch and iteration.
Proficiency in Figma and modern design tools.
Excellent communication and cross-functional collaboration skills.
Strong consumer product design experience and demonstrated ability to deliver impactful user experiences.
Exceptional visual and interaction design taste.
Deep understanding of onboarding, conversion, and growth mechanics in consumer products.
Ability to simplify complex user flows and create intuitive interfaces.
Strong product thinking beyond UI execution and experience designing mobile-first consumer products.
Ability to work quickly and collaboratively and handle ambiguity in a startup environment.

Nice To Haves

Experience designing growth, onboarding, engagement, or marketplace systems.
Familiarity with consumer, e-commerce, or transaction-driven products.
Experience with marketplaces, fintech, commerce, or other transaction-heavy consumer platforms.
Exposure to automotive, logistics, or auction marketplaces.
Experience with 0-to-1 feature development and scaling products across multiple markets.
Previous experience in fast-paced startups.

Responsibilities

Design and optimize consumer onboarding flows to create seamless first-time experiences.
Drive funnel and conversion optimization through iterative design and testing.
Ideate and implement referral and viral growth features to accelerate user acquisition.
Create reactivation and lifecycle experiences that improve user retention and engagement.
Lead growth experiments and design new features to support user and marketplace growth.
Apply consumer UX and interaction design expertise to create intuitive, compelling interfaces.
Craft mobile-first product experiences for users across devices.
Elevate consumer brand and visual quality across touchpoints.
Contribute to and help evolve Bidbus’s design system for scalability and consistency.
Collaborate with Product, Engineering, Data, and Marketing on the car-selling journey.
Use behavioral insights, user research, and experimentation to translate marketplace mechanics into simple, engaging interfaces.