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I am a versatile and detail-oriented Senior UX/UI & Product Designer with 10+ years of global experience delivering user-centric, accessible, and visually compelling digital products across SaaS, eCommerce, aviation, retail, and travel industries. I lead full-cycle product design from user research and wireframing to high-fidelity mockups and developer collaboration. I excel at building scalable design systems, crafting responsive interfaces, and guiding cross-functional teams to align design with business goals. I am passionate about inclusive design, 0-to-1 product launches, and mentoring emerging designers to uphold design excellence at scale.…I am a versatile and detail-oriented Senior UX/UI & Product Designer with 10+ years of global experience delivering user-centric, accessible, and visually compelling digital products across SaaS, eCommerce, aviation, retail, and travel industries. I lead full-cycle product design from user research and wireframing to high-fidelity mockups and developer collaboration. I excel at building scalable design systems, crafting responsive interfaces, and guiding cross-functional teams to align design with business goals. I am passionate about inclusive design, 0-to-1 product launches, and mentoring emerging designers to uphold design excellence at scale.

Marios Stathogiannis

UX Designer, UI Designer, Product Designer, +2

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I am a versatile and detail-oriented Senior UX/UI & Product Designer with 10+ years of global experience delivering user-centric, accessible, and visually compelling digital products across SaaS, eCommerce, aviation, retail, and travel industries. I lead full-cycle product design from user research and wireframing to high-fidelity mockups and developer collaboration. I excel at building scalable design systems, crafting responsive interfaces, and guiding cross-functional teams to align design with business goals. I am passionate about inclusive design, 0-to-1 product launches, and mentoring emerging designers to uphold design excellence at scale.…I am a versatile and detail-oriented Senior UX/UI & Product Designer with 10+ years of global experience delivering user-centric, accessible, and visually compelling digital products across SaaS, eCommerce, aviation, retail, and travel industries. I lead full-cycle product design from user research and wireframing to high-fidelity mockups and developer collaboration. I excel at building scalable design systems, crafting responsive interfaces, and guiding cross-functional teams to align design with business goals. I am passionate about inclusive design, 0-to-1 product launches, and mentoring emerging designers to uphold design excellence at scale.

Available to hire

I am a versatile and detail-oriented Senior UX/UI & Product Designer with 10+ years of global experience delivering user-centric, accessible, and visually compelling digital products across SaaS, eCommerce, aviation, retail, and travel industries.

I lead full-cycle product design from user research and wireframing to high-fidelity mockups and developer collaboration. I excel at building scalable design systems, crafting responsive interfaces, and guiding cross-functional teams to align design with business goals. I am passionate about inclusive design, 0-to-1 product launches, and mentoring emerging designers to uphold design excellence at scale.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Spanish; Castilian

Fluent

Greek, Modern

Fluent

Work Experience

Senior UX/UI Designer at Portside.co (Aviation)

June 30, 2025 - August 22, 2025

Architected user-centric interfaces and cohesive design systems across web and mobile platforms, leading UX research and data analysis to enhance user engagement. Led cross-functional ideation resulting in a 25% revenue increase by redesigning user flows to re-engage former users and acquire over 150 new high-value clients. Produced wireframes, mockups, and interactive prototypes to facilitate developer collaboration. Championed UX/UI innovation by integrating emerging trends and mentored junior designers. Contributed to securing $100M in company funding by delivering scalable, investor-ready product designs.

Senior UX/UI Designer at Multiplica (Design Agency)

March 31, 2022 - August 22, 2025

Engineered accessible, responsive web and mobile interfaces with high-fidelity mockups reinforcing brand identity and usability. Collaborated with cross-functional teams to align project scope and directed multiple design projects under tight deadlines. Developed detailed UI specifications, built interactive prototypes, and maintained style guides to ensure brand consistency. Synthesized user research insights to refine design strategies and eliminate interaction friction.

Senior UX/UI Designer at Emvelia.com - Artlimes.com (SaaS)

October 31, 2021 - August 22, 2025

Collaborated with cross-functional teams to align technical development with user-centered design principles. Created wireframes, prototypes, and high-fidelity mockups to support feature development and ensure smooth developer handoff. Maintained style guides and UI component libraries for consistent user experience. Helped onboard over 1,000 artists, achieving 90% adoption of newly launched paid features and boosted sales by 30% through data-informed UX improvements.

Senior UX/UI Designer at iRepair.gr (Retail)

October 31, 2019 - August 22, 2025

Designed user-centered interfaces across digital platforms utilizing wireframes and interactive prototypes, continuously refining based on user feedback and analytics. Contributed to a 23% sales increase and supported retail expansion from 18 to 34 locations. Conducted competitor analysis to inform product features and collaborated with developers to ensure pixel-perfect implementation. Established style guides and design systems for visual and functional consistency.

Ecommerce Manager / UI Designer at Bettersport.gr (Retail)

December 31, 2016 - August 22, 2025

Directed daily team operations and cross-functional workflows, enhancing productivity and process efficiency. Managed end-to-end eCommerce operations contributing to a 200% sales increase, launch of 4 new stores, and onboarding of 13 team members. Improved customer satisfaction by analyzing KPIs and bottlenecks. Designed targeted training programs, managed budgets, and mentored staff for professional development.

Graphic Web Designer at Hotelrez.net / Hotelrez.co.uk (Travel)

December 31, 2012 - August 22, 2025

Developed visually engaging, user-centered, and responsive website layouts for travel and hospitality clients using Adobe Creative Suite. Created high-fidelity mockups and prototypes ensuring brand consistency. Researched UX/UI trends and performance data to inform design strategies and enhance user engagement. Maintained digital asset libraries for streamlined workflows and spearheaded platform adoption by onboarding over 900 hotels to the booking engine. Collaborated with marketing teams on branding and promotional materials.