Mara Quintero

Profile

Senior Web Designer with 8 years of experience crafting conversion-focused digital experiences for SaaS, e-commerce, and media brands. Specializes in responsive UI design, design-system architecture, and cross-functional collaboration with product and engineering teams. Redesigned a flagship e-commerce storefront that lifted conversion rate by 34% and reduced cart abandonment by 18%.

Work Experience

Senior Web DesignerMar 2020 - Present

Lumen Digital Studio, Austin, TX

Led end-to-end redesign of a B2B SaaS client portal serving 12,000 users, reducing average task-completion time by 27% based on post-launch usability testing.
Built and maintained a 200-component Figma design system adopted across 6 active client projects, cutting design-to-handoff time by 40%.
Collaborated with a 4-person engineering team to implement WCAG 2.1 AA accessibility standards site-wide, achieving a 98 Lighthouse accessibility score across all 14 pages.

Web DesignerJun 2017 - Feb 2020

Harrow & Bell E-commerce, Dallas, TX

Redesigned the company's Shopify storefront for mobile-first performance, increasing mobile conversion rate from 1.8% to 2.9% and generating an estimated $420K in additional annual revenue.
Produced 30+ landing page variants for A/B testing campaigns, with the top-performing variant improving email sign-up rate by 52%.
Reduced average page load time from 4.1 s to 1.7 s by optimizing image pipelines and restructuring CSS delivery, improving SEO ranking positions by an average of 11 places.

Junior Web DesignerAug 2015 - May 2017

Paxton Creative Agency, Houston, TX

Designed responsive websites for 18 small-business clients using HTML, CSS, and WordPress, delivering all projects within scope and on schedule.
Created brand-consistent UI mockups in Adobe XD that reduced client revision rounds from an average of 4 to 1.5 per project.
Supported senior designers on a regional healthcare portal redesign that saw a 22% increase in appointment bookings within 90 days of launch.

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