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Stas Leontyev

@stasleontyev

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Senior product designer specializing in fintech, SaaS, AI and Web3 with leadership experience.

Germany

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What I'm looking for

I seek senior product design roles where I can lead cross-functional teams, shape AI-enabled product strategy, and build design systems in fast-paced fintech or SaaS environments.

I am a senior product designer and founder with 15+ years delivering human-centered, data-driven design across fintech, SaaS, AI and Web3. I lead product vision, build design ecosystems and ship UX that scales for enterprises, startups and agencies.

As Co-Founder at Workspace I shaped the HR-AI product strategy and UX foundation for a B2B/B2C marketplace, driving investor pitch and early adoption with a projected $15M ARR opportunity. I have led design teams, co-led large cross-functional tribes, and delivered measurable improvements in retention, acquisition and client satisfaction.

My approach blends product management, AIUX and service design with a strong emphasis on prototyping, user research and data-informed decisions. I mentor teams, build processes and create design systems to accelerate 0-to-1 development and improve go-to-market speed.

Experience

Work history, roles, and key accomplishments

Current

Co-Founder, Product & Design

Current

Workspace

Jan 2025 - Present (9 months)

Leading product vision and design for an HR-AI hiring platform; built early HR+AI product strategy and UX foundation and drove investor positioning for a projected $15M ARR opportunity.

Product Strategy AI & Products B2B Marketplace Go To Market Cross Functional Collaboration

Lead Product Designer

Deutsche Bank

Jun 2024 - Dec 2024 (6 months)

Built a UX framework that increased stakeholder interaction by up to 20% and redesigned workflows to improve client satisfaction by up to 30%; led a team of 3 designers and co-led a 70-person tribe.

Workflow Design Stakeholder Management Team Leadership Design Systems Cross Functional Collaboration

Lead Product Designer

Enter

Feb 2023 - May 2024 (1 year 3 months)

Designed a sustainable product ecosystem that boosted retention by 18% and streamlined SaaS CX to increase acquisition by up to 30%; established a user-centric, data-driven design approach.

Retention User Research Data Design Service Design Process Improvement

Senior UX Designer

Ming Labs

Apr 2021 - Jan 2023 (1 year 9 months)

Led 0-to-1 validated product development for agency clients, accelerating go-to-market speed up to 30% and increasing user satisfaction by up to 50% while managing teams of 2–6 creatives.

Product Design UX Research Team Management Client Engagement Prototyping User Testing Go To Market

Design Consultant / Founding Designer

Self-employed

Sep 2018 - May 2021 (2 years 8 months)

Designed 0-to-1 Web3 and big data products for global startups, embedding from concept to delivery and developing remote-first work pipelines to drive usability and clarity.

Remote Collaboration Design Strategy Prototyping Delivery