# Mercedes Arenas > Senior Product Designer @ Robert Half Location: Dublin, California, United States Profile: https://flows.cv/mercedesarenas Senior Product Designer with 7+ years of experience specializing in AI-driven UX/UI and SaaS. I help companies bring innovative ideas to market by blending user research, product strategy, and scalable design solutions. Key areas of expertise: • AI & UX: Designed an AI-powered Personas tool that streamlined user research and customer engagement. • SaaS & B2B: Developed a venture-building SaaS platform that improved onboarding and training efficiency. • Cross-functional Leadership: Hired, trained, and led design teams, opening a new office in London to expand global operations. ## Work Experience ### Senior Product Designer @ Robert Half Jan 2025 – Present ### Senior UX Designer @ Greenlight Idea Lab Jan 2024 – Jan 2025 Supporting foundational design efforts for a UX-focused collective specializing in product-market fit. Contributed to website updates, pitch decks, and early SEO strategy during the agency’s formation phase. ### Product Designer @ Portfolio T (Subsidiary of Mach49) Jan 2024 – Jan 2024 I collaborate with various venture teams, jumping in to provide design expertise and support across different projects. My role involves quickly adapting to new challenges, contributing to both UX and UI design, and ensuring that each project moves forward with a strong, user-centered design approach. ### Principal Product Designer @ Mach49 Jan 2022 – Jan 2024 | San Francisco, California, United States Led the design and development of an AI-powered Personas tool that streamlined research workflows for venture teams, reducing reliance on traditional, time-intensive methods Designed a self-paced venture-building SaaS platform that shifted training from in-person sessions to scalable digital learning, enhancing accessibility and onboarding for new venture teams Developed an AI-assisted Chrome extension to automate customer outreach, helping teams refine messaging through data-driven interactions Established and maintained a scalable design system built on Material UI, ensuring consistency across multiple high-impact projects Worked closely with product managers, engineers, and researchers to define user needs and shape AI-enhanced solutions that improved efficiency and decision-making across the organization ### Principal UX Designer @ Mach49 Jan 2021 – Jan 2022 | Redwood City, California, United States Played a key role in developing Mach49’s initial digital presence, leading the website redesign, refining UX methodology assets, and creating marketing materials to establish a strong brand identity. Collaborated with internal teams to build onboarding and training assets, improving alignment between UX designers and venture teams, and streamlining workflows to support faster product development. Worked across multiple projects, ensuring user-centered design principles were embedded into each stage of product development. ### Senior UX Designer & Researcher @ Mach49 Jan 2020 – Jan 2021 | Menlo Park ### UX Designer/Researcher @ Mach49 Jan 2017 – Jan 2020 | Redwood City, California, United States Hired as a founding UX Designer/Researcher, I partnered with Global 1000 venture teams to conduct user research, uncover customer pain points, and accelerate product timelines. I facilitated design thinking workshops to define MVPs and guide customer development while shaping research strategies, synthesizing insights, and driving product design and testing. ### Marketing Assistant @ Lindquist LLP Jan 2016 – Jan 2017 | San Ramon, CA Managed the company’s social media presence, including content strategy, creation, and performance analysis. Prepared client proposals, press releases, and website blog articles. Designed digital and print marketing materials such as advertisements, brochures, and website graphics Maintained and updated website content to ensure a consistent and engaging brand presence ### Marketing Intern @ ZapLabs Jan 2016 – Jan 2016 | Emeryville, CA ### Sports Marketing Intern @ Santa Clara University Athletic Department-Bronco Bench Foundation Jan 2015 – Jan 2016 | Santa Clara, CA ### Social Media Content Marketing Intern @ Piedmont Avenue Consulting, Inc. Jan 2015 – Jan 2015 | Berkeley, CA Created engaging content for the Piedmont Avenue website, including blog articles and infographics, using WordPress.com. Played a key role in client communications, handling emails, calls, and participating in client meetings and events. Supported the planning and execution of marketing strategies and events, contributing to the development of effective marketing initiatives. Collaborated with the team to implement content strategies that enhanced brand visibility and engagement. ## Education ### Bachelor’s Degree Santa Clara University ### User Experience Design Immersive General Assembly ## Contact & Social - LinkedIn: https://linkedin.com/in/mercedesarenas - Portfolio: https://mercedesarenas.com/ --- Source: https://flows.cv/mercedesarenas JSON Resume: https://flows.cv/mercedesarenas/resume.json Last updated: 2026-04-13