Senior Product Designer — Consumer Growth

Socket.dev; Costa Mesa (CA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Competitive compensation

Equity

Comprehensive benefits

Job summary

Bidbus is seeking a Senior Product Designer — Consumer Growth in Irvine, CA to shape the marketplace experience for car sellers and buyers. You’ll translate complex marketplace mechanics into simple, engaging interfaces that foster trust and participation.

You’ll collaborate with Product, Engineering, Data, and Marketing to drive onboarding, conversion, and retention initiatives, using behavioral insights and experiments to inform design decisions.

Qualifications

• 5+ years of experience in Product Design, with growth/consumer focus.
• Experience designing web and mobile apps at scale with measurable impact.
• Strong understanding of onboarding, conversion, and growth mechanics.

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 to improve retention and engagement.
• Lead growth experiments and design new features to unlock marketplace growth.
• Apply expertise in consumer UX to ensure intuitive interfaces across devices.
• Craft mobile-first product experiences that delight users on every device.
• Elevate consumer brand and visual quality across all touchpoints.
• Contribute to and evolve Bidbus’s design system for scalability and consistency.

Skills

Product design

Growth

Onboarding

Mobile design

Data-driven

Cross-functional collaboration

Figma

Marketplace design

Tools

Figma

Job description

Senior Product Designer — Consumer Growth

Location: Irvine, CA (Onsite)

Employment Type: Full-time

Compensation: Competitive salary, equity, and benefits (exact figures dependent on experience and qualifications)

About Bidbus

Bidbus is building the future of how consumers sell cars. Our real-time marketplace enables licensed dealerships to compete for vehicles directly from individual sellers, creating a faster, more transparent and more efficient automotive marketplace. Backed by leading Silicon Valley investors, Bidbus is rapidly expanding nationwide after exponential growth in California.

About the Role

As a Senior Product Designer — Consumer Growth, you'll play a critical role in shaping the marketplace experience for Bidbus’s consumer audience. Your mission: create intuitive and habit-forming design solutions that drive engagement, retention, and growth for individuals selling cars on our platform. You'll design and iterate on features, flows, and experiences that make car-selling not only more accessible, but also delightful and compelling.

You'll partner closely with Product, Engineering, Data, and Marketing to reimagine the car-selling journey—making it rewarding and seamless. You’ll leverage behavioral insights, conduct user research, and use experimentation to translate complex marketplace mechanics into simple, engaging interfaces that foster trust and drive participation.

What You’ll Do

• 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 unlock further user and marketplace growth.
• Apply expertise in consumer UX and interaction design to ensure intuitive, compelling interfaces.
• Craft mobile-first product experiences that delight users on every device.
• Elevate consumer brand and visual quality across all touchpoints.
• Contribute to and help evolve Bidbus’s design system for scalability and consistency.
• Demonstrate strong consumer product taste to deliver delightful and habit-forming experiences.

What We’re Looking For

• Strong experience in consumer product design, with a 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
• Data-driven mindset and comfort designing through experimentation and iteration
• Strong product thinking that goes beyond UI execution
• Experience designing for mobile-first consumer products
• Fast-moving, highly collaborative, and comfortable working with ambiguity in a startup environment
• Experience in marketplace, fintech, commerce, or other transaction-heavy consumer platforms is a plus

Minimum Qualifications

• 5+ years of experience in Product Design, with a focus on growth, marketplace, or consumer platforms.
• Strong portfolio showcasing process, interaction design, and shipped products impacting key metrics.
• Experience designing for 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.
• Demonstrated ability to take ambiguity from discovery all the way through product launch and iteration.
• Skilled in Figma and modern design tools, plus familiarity collaborating in startup environments.
• Excellent communication and cross-functional collaboration skills.

Preferred Qualifications

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

Why Bidbus?

• Own high-impact, consumer-facing product areas critical to company success.
• Collaborate directly with founders and cross-functional experts.
• Build foundational experiences behind Bidbus’s national expansion.
• Launch ambitious 0-1 product bets affecting real users and business outcomes.
• Competitive compensation, meaningful equity, and comprehensive benefits.
• Help shape one of the fastest-growing automotive marketplaces in the U.S.