Denys H.

Key Skills

Freelancer Overview

Dennis Herasymiuk Product (UI/UX) Designer [email protected] +447940834750 London, E14, UK https://www.denys.works/ Summary Driven Product Designer with 3+ years of experience scaling early-stage B2B AI products from 0 to 1 and beyond. Proven ability to thrive in complex, fast-paced scale-up environments, bridging the gap between user needs and engineering execution. Experienced in designing for FinTech and SaaS platforms, establishing robust design systems, and advocating for inclusive, WCAG-compliant design. I help teams ship intuitive, scalable experiences that translate complex data into user-centered workflows. Experience Freelance Remote UI/UX Designer March, 2026 •Solving small freelance UX challenges and requests Henry AI (YC S24) Remote (team office in NY, USA) Founding Designer Dec, 2024 - Dec, 2025 •Sole Product Designer leading introduction of new features and product improvement of business-focused tool; Partnered closely with a team of 5 engineers and product managers to define and deliver solutions •Contributed to scaling product from $0 to $2M in sales and to $20M+ fundraise in one year through rapid iteration and impactful product enhancements •Drove full design iteration process while ensuring there's alignment with engineering team, tight feedback loops, and fast-paced release cycles •Achieved a 90%+ increase in user satisfaction, validated through customer-success check-ins and user surveys where 80% of clients said they’d be “very disappointed” if the pro