Sergio Harashyn 🦄

Co-Founder

Los Angeles, California, United States19 yrs 3 mos experience
AI Enabled

Key Highlights

  • 15+ years of experience in UX/Product Design.
  • Led teams to create high-converting digital products.
  • Achieved significant conversion boosts for luxury brands.
Stackforce AI infers this person is a UX/Product Designer with expertise in SaaS, Fintech, and Luxury industries.

Contact

Skills

Core Skills

Product StrategyProduct LeadershipCreative DirectionBrand StrategyData AnalysisProduct DiscoveryDesign SystemsProduct DevelopmentProduct LaunchUser Experience Design (ued)LeadershipBranding & IdentityProduct ManagementUser Experience (ux)Business-to-business (b2b)

Other Skills

A/B TestingAdobe Creative SuiteAdobe InDesignAdvertisingArt DirectionArtificial Intelligence (AI)Artificial Intelligence for DesignAsanaB2B MarketingB2B2CB2CBlockchainBrand MarketingBrandingBusiness Analytics

About

I’m a lead UX/Product Designer & Researcher based in Los Angeles, with 15+ years of experience turning complex challenges into elegant, revenue-driving design solutions. I specialize in leading multidisciplinary teams designers, researchers, engineers, and marketers to create intuitive, high-converting digital products. Having worked across the U.S. and Europe, I bring a global mindset to product innovation and design leadership. Key Wins: • +7.5% conversion boost for Cartier (Las Vegas, Miami, Toronto) by designing AR/IoT-powered luxury retail experiences that elevated trust and decision confidence. • Built and scaled high-performing cross-functional teams of up to 12 people across SaaS, Fintech, and E-commerce platforms. • Led product transformations that delivered measurable growth for both startups and enterprise clients. Industries: Luxury, Fintech, SaaS, E-commerce, B2B where UX meets business strategy. Tools & Methods: Figma, Notion, Adobe CC, AI-powered workflows, Design Systems, UX Research, Rapid Prototyping, Psychology-driven Design. Leadership & Community: Mentor and jury at University of California, Irvine. Passionate public speaker and advocate for creativity, inclusion, and AI-enhanced design. ⸻ Currently open to Head of Design or Fractional CPO roles — where I can drive product vision, accelerate team performance, and unlock long-term growth. Let’s connect or reach out directly at s@harashyn.com

Experience

19 yrs 3 mos
Total Experience
3 yrs 8 mos
Average Tenure
8 mos
Current Experience

Onlypumpme

CPO & Cofounder, Web3 / AI SaaS

Oct 2025 – Present · 8 mos · San Francisco Bay Area · Hybrid

  • Defined product thesis, tokenomics, and 0→1 roadmap.
  • Validated model via interviews + MVP (Web3 + AI automation).
  • Creator pipeline grew 0 → 25+ in the first 60 days.
  • First presales: multiple creators oversubscribed.
  • Reduced launch cost/time by 40% through automated onboarding.
  • Led product, UX, and GTM execution across design and engineering. Replaced manual ops with AI workflows (Notion + Make + dashboards).
BlockchainWeb3Software as a Service (SaaS)Artificial Intelligence (AI)Product StrategyProduct Design+1

Salesx, inc.

2 roles

Fractional CPO, UX leadership

Apr 2025 – Oct 2025 · 6 mos · San Francisco Bay Area · Remote

  • Led creative that built brands people fall in love with — from concept to execution. I shape stories that move markets, inspire loyalty, and drive lasting growth.
Artificial Intelligence (AI)Cross-functional Team LeadershipCreative DirectionBrand StrategyTeam Management

Creative Director, Conversion Optimization

Apr 2024 – Apr 2025 · 1 yr · San Francisco Bay Area · Remote

  • Led award-winning creative team with a leadership style rooted in vision, collaboration, and bold execution — turning brands into cultural icons. Presented key wins and innovations at Google HQ, reinforcing client trust and showcasing measurable impact.
Data AnalysisArtificial Intelligence (AI)Information ArchitectureProduct DiscoveryInteraction DesignA/B Testing+1

Uc irvine

Education Mentor, Figma

Apr 2025 – Apr 2025 · 0 mo · Irvine, California, United States · On-site

  • Invited by UC Irvine as a judge, keynote speaker, and design mentor for the largest collegiate design hackathon in Southern California, with industry leaders from Google, Meta, Riot Games, and more.
  • Mentored finalist teams, offering feedback on product strategy, UX direction, and storytelling.
  • Judged final student presentations, evaluating innovation, usability, and overall impact.
  • Delivered a keynote on my design journey, highlighting creativity and the power of stepping outside comfort zones.

Zumasys

Lead UX/Product Designer, Design Systems

Sep 2023 – Mar 2024 · 6 mos · San Diego, California, United States · Remote

  • Led a cross-functional team in the full redesign of a complex ERP system, improving usability and operational efficiency. Conducted deep research through surveys, usability testing, and analytics. Translated multi-channel feedback into actionable insights — driving product enhancements and a 29% increase in conversion rates.
Design SystemsCross-functional Team LeadershipPerformance MetricsProduct DevelopmentBrand StrategyResponsive Web Design

Blue trail software

2 roles

Lead UX/Product Designer, Remote Product Design Lead

Promoted

Jun 2022 – Sep 2023 · 1 yr 3 mos · San Francisco Bay Area · Remote

  • Led product strategy and design for iOS and Android apps — from research to developer handoff. Drove a company-wide design thinking initiative that revitalized mobile and web UX. Created and tested interactive prototypes, validating decisions through usability studies and A/B testing.
  • Boosted high-value conversions by 7.5% for Cartier (Las Vegas, Miami, Toronto) through AR/IoT-powered retail experiences — applying user-centered design to elevate trust and decision confidence.
Figma (Software)Problem SolvingDesign SystemsSoftware as a Service (SaaS)Product DevelopmentProduct Launch+2

Senior UX/Product Designer, CRO

Dec 2021 – Jun 2022 · 6 mos · San Francisco Bay Area · Remote

  • Led UX strategy and design for multiple iOS and Android apps — from research to high-fidelity handoff. Partnered with PMs and developers to ship features that boosted retention and engagement. Introduced motion design and microinteractions to elevate UX and unify brand experience across mobile.
  • Directed and coordinated the product development efforts for the automotive industry for Stellantis in-car application, leading to a 17% improvement in user satisfaction ratings and a 15% boost in retention rates.
Concept DevelopmentResponsive Web DesignLeadershipProduct DevelopmentPresentations

Viking coders

2 roles

Senior UX/Product Designer

Feb 2020 – Nov 2021 · 1 yr 9 mos · San Diego, California, United States · Hybrid

  • Led agile teams to improve design efficiency by 35% and boost project output by 22% through precise specs and validation. Applied Human-Centered Design with continuous feedback, driving a 31% increase in user retention. Mapped data-driven customer journeys, cutting churn by 37% and identifying high-impact touchpoints.
Figma (Software)Branding & IdentityUser Experience Design (UED)Adobe Creative SuiteE-commerceConcept Development+2

UX/Product Designer

Oct 2019 – Feb 2020 · 4 mos · San Diego, California, United States · Hybrid

  • Led cross-functional digital product teams in developing and launching innovative products; streamlined communication channels and project timelines, resulting in a 55% uptick in project delivery on time.
Brand StrategyAdobe Creative SuiteContent Management Systems (CMS)User Interface DesignUser Experience Design (UED)UX Research

It dev group

2 roles

UX/Product Designer

Promoted

Oct 2017 – Oct 2019 · 2 yrs · Remote

  • Spearheaded UX design for B2B, B2C, and SaaS apps, driving a 31% increase in conversions and reducing bounce rates by 24%. Streamlined workflows and interfaces to boost loyalty by 35% and referrals by 18%. Led service redesigns that cut errors by 57%, improved efficiency by 15%, and saved $179K annually.
Branding & IdentityProduct DevelopmentProduct ManagementAdobe Creative SuiteE-commerceResponsive Web Design+6

UX/UI Designer

Dec 2016 – Oct 2017 · 10 mos · Remote

  • Led cross-functional digital product teams in developing and launching innovative products; streamlined communication channels and project timelines.

Global soft invest

2 roles

UI Designer

Promoted

Jul 2009 – Apr 2013 · 3 yrs 9 mos · Minsk, Belarus · On-site

User Experience Design (UED)Adobe Creative SuiteE-commerceConcept DevelopmentBusiness-to-Business (B2B)Responsive Web Design+6

Product Designer

Oct 2005 – Sep 2016 · 10 yrs 11 mos · Minsk, Belarus · On-site

  • Led cross-functional digital product teams in developing and launching innovative products; streamlined communication channels and project timelines.

Fl.ru (free-lance.ru)

Freelance Visual Designer

Mar 2005 – Aug 2009 · 4 yrs 5 mos · Moscow, Moscow City, Russia · Remote

Education

Harvard University

Professional Certificate — Computer Science and Mobile Apps

Sep 2019 – Mar 2020

Academy of Public Administration under the aegis of the President of the Republic of Belarus

Bachelor of Education - BEd — Human Resource Management

Jan 2006 – Jan 2009

Belarusian State Pedagogical University Named after Maxim Tank (BSPU)

Bachelor of Technology — Computer and Information Sciences and Support Services

Jan 2003 – Jan 2007

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