# Sasha Martynchuk > Senior Product Designer Location: San Jose, California, United States Profile: https://flows.cv/sashamartynchuk With over 14 years of experience in UX/UI design, I have a track record of leading cross-functional teams and creating scalable design systems that drive user retention, design efficiency, and customer satisfaction. My work spans across healthcare, finance, tech, and e-commerce, and I’ve had the privilege of partnering with high-profile clients such as Google, Atlassian, and Hines. Portfolio: https://www.sashamartynchuk.com/ ## Work Experience ### Senior Product Designer - Trading @ OKX Jan 2025 – Present | San Jose, California, United States ### Senior Product Designer @ Toptal Jan 2019 – Jan 2025 • 15+ B2B and SaaS product launches. • 10+ enterprise-level applications in sectors including healthcare, finance, and real estate • Rank among the top 10 product and UX/UI designers on the platform. ### Senior Product Designer @ Pangeam Inc. Jan 2021 – Jan 2024 | Austin, Texas, United States • Spearheaded the design and UX strategy for a successful MVP launch, securing $4.2 million in Seed funding and driving an 80% increase in early-stage user engagement. • Designed a web application from the ground up. • Developed scalable design systems and UI frameworks. • Recruited and managed a multidisciplinary design and front-end team. • Collaborated with cross-functional teams on 30+ product presentations, helping secure contracts with six high-value clients and supporting an $8 million Series A pursuit. • Established a design sprint framework. ### Senior Product Designer @ Keyword.com Jan 2019 – Jan 2019 • Directed the design and launch of four SEO products, overseeing both UX and UI from concept to completion. • Led a major UI/UX redesign that improved key user flows, achieving a 35% increase in user retention, a 20% reduction in subscription cancellations, and a 90% increase in customer satisfaction. • Created a unified design system to enhance development efficiency and reduce inconsistencies across the product suite. • Collaborated closely with engineering to develop interactive prototypes using Figma, ensuring seamless implementation across platforms and maintaining high fidelity between designs and final products used by thousands of users monthly. ### Lead Product Designer @ MetaMap Jan 2017 – Jan 2018 | San Francisco Bay Area • Defined and executed product strategies aligned with business goals, leading to increased product adoption and improved user satisfaction. • Designed 4 digital products, websites, and marketing materials, enhancing both brand visibility and product usability. • Mentored and guided a team of junior designers, fostering a culture of creativity and continuous improvement. • Conducted user testing and product validation sessions, resulting in an 80% reduction in a user failing completion rate. • Established key performance indicators (KPIs) to measure UX effectiveness using user interaction analytics, which guided decisions that improved interface intuitiveness and reduced onboarding time for new users by two weeks. ### Senior Product Designer @ PayHOA Jan 2016 – Jan 2018 | Lexington, Kentucky Area ### Product Designer @ AlemHealth Jan 2016 – Jan 2016 | Dubai, UAE ### Product Designer @ Houzify Jan 2015 – Jan 2016 Mobile application Product Design ### UX/UI Designer @ Fireart Studio Jan 2015 – Jan 2016 | Warsaw, Mazowieckie, Poland • Designed responsive websites, mobile applications, and dashboards for clients, ensuring seamless user experiences across platforms. • Produced custom illustrations, iconography, and interactive designs, enhancing the visual appeal and usability of client projects. ### UX/UI Designer @ Freelance Jan 2011 – Jan 2015 | Kyiv, Kyiv City, Ukraine • Delivered UX and UI design for web and mobile applications, focusing on creating user-centered designs that solved real business problems. • Collaborated with clients on branding, visual identity, and website design projects, resulting in increased engagement and conversions. ## Education ### Project Managment Vistula University ## Contact & Social - LinkedIn: https://linkedin.com/in/iamvisp --- Source: https://flows.cv/sashamartynchuk JSON Resume: https://flows.cv/sashamartynchuk/resume.json Last updated: 2026-04-13