SHEREEN LÓPEZ
Product Designer
UX
UI
AI
SaaS
About
8+ years of designing software that simplifies complex systems into clear, usable tools people trust. I work hands-on from early discovery through delivery and beyond, collaborating closely with leadership, product, and engineering to turn ambiguity into action.
I love what I do, and I’m good at it.
Selected experience
Founding Product Designer
Montgo Labs S.L.
08.2025 - Present
Defining the creative and product design direction for my design studio specializing in SaaS and AI-driven products.
Building scalable design systems, workflows, and brand foundations to support client and in-house projects.
Leading concept development, prototyping, and UX strategy across multidisciplinary ventures.
Lead Product Designer
SocialHub (Maloon GmbH)
2023 - 2025
Led full redesign of a B2B social media management platform used by thousands daily, increasing user retention by 25% in 6 months.
Implemented a scalable, component-based design system that reduced development time by 13% and improved cross-team velocity.
Introduced accessibility and WCAG compliance as design standards, boosting usability scores and contributing to OMR Top Tool and Usability Excellence awards.
Senior UI/UX Designer
Teachino GmbH
2022 - 2023
Shipped an AI-powered SaaS MVP in 3 months, balancing speed with solid product foundations for future scalability.
Conducted research and testing with 40+ educators, shaping feature priorities and improving task efficiency by 20%.
Built and documented a design system that accelerated new feature rollouts by 2× and reduced design debt.
Mentor & Curriculum Writer
CareerFoundry GmbH
2019 – 2022
Mentored 300+ aspiring designers worldwide, helping 90% of mentees build portfolios that led to full-time design roles.
Authored and restructured UX curriculum modules adopted by 3,000+ learners annually, improving course satisfaction scores by 18%.
Designed project frameworks and exercises aligned with SaaS product challenges, preparing students for real-world product design roles.
Senior UX/UI Consultant
Equalista GmbH
2018 - 2019
Designed inclusive learning tools for a SaaS-based equality education platform used across corporate training programs.
Developed a cohesive design system ensuring accessibility, visual consistency, and scalable product evolution.
Collaborated cross-functionally to create unbiased design assets that improved content clarity and engagement by 25%.
UX/UI Designer
Cornelsen Verlag GmbH
2017 - 2020
Designed an adaptive EdTech SaaS platform from concept to launch, helping over 800 schools improve early literacy outcomes.
Delivered MVP in under 6 months, balancing complex teacher analytics with a child-friendly interface that increased reading engagement by 40%.
Embedded accessibility and adaptive learning features that personalized content per student, earning Comenius EduMedia (2024) and BELMA shortlist (2023).
Founding Designer
Fiction Taps
2016 - 2019
Designed an iOS app from concept to launch, focusing on intuitive UX and long-term user engagement.
Completed interface design, usability testing, and visual direction for a narrative-driven mobile product.
Applied early lean UX methods and iterative prototyping to validate concepts and improve retention.
Education
UX Design
CareerFoundry
2017
BSc. in Psychology
Loyola University Chicago
2006 - 2009
Languages
🇬🇧
English
Native
🇪🇸
Spanish
Native
🇩🇪
German
Fluent
Recommendations
Elena Benvenuti
Product Designer
SocialHub
July 2025
“Her work is consistently rooted in a deep understanding of user needs, backed by thorough research and thoughtful analysis… She made space for others, shared her knowledge generously, and led with quiet confidence.”
Ross Curry
Fullstack Developer
SocialHub
June 2025
“She consistently delivered thoughtful, high-quality, and incredibly detailed design solutions… Shereen’s ability to balance significant contributions across multiple teams was truly impressive.”
Ewen Gur
UX Designer & Visual Artist
January 2020
“Shereen was really able to understand me, helped me improve my pain points, and motivated me in the right direction — always with kindness and patience. She’s an open-minded and adaptable professional who delivers top-notch work.”