I'm a Senior UX/UI and Product Designer with 10+ years’ experience designing user-centered digital products across B2B, B2C, and SaaS environments and translating research into intuitive workflows, design systems, and scalable interfaces that drive measurable business and user impact. I collaborate closely with engineers, researchers, data teams, and product stakeholders to shape concepts from discovery to prototype and delivery. I'm specialised in interaction design, information architecture, prototyping, and scalable design systems, with a strong ability to translate complex requirements into intuitive, inclusive, and visually coherent experiences. Recognised for improving usability, enabling innovation, and producing design solutions that align with both business strategy and user needs.

Sebastian Montenegro

I'm a Senior UX/UI and Product Designer with 10+ years’ experience designing user-centered digital products across B2B, B2C, and SaaS environments and translating research into intuitive workflows, design systems, and scalable interfaces that drive measurable business and user impact. I collaborate closely with engineers, researchers, data teams, and product stakeholders to shape concepts from discovery to prototype and delivery. I'm specialised in interaction design, information architecture, prototyping, and scalable design systems, with a strong ability to translate complex requirements into intuitive, inclusive, and visually coherent experiences. Recognised for improving usability, enabling innovation, and producing design solutions that align with both business strategy and user needs.

Available to hire

I’m a Senior UX/UI and Product Designer with 10+ years’ experience designing user-centered digital products across B2B, B2C, and SaaS environments and translating research into intuitive workflows, design systems, and scalable interfaces that drive measurable business and user impact. I collaborate closely with engineers, researchers, data teams, and product stakeholders to shape concepts from discovery to prototype and delivery.

I’m specialised in interaction design, information architecture, prototyping, and scalable design systems, with a strong ability to translate complex requirements into intuitive, inclusive, and visually coherent experiences. Recognised for improving usability, enabling innovation, and producing design solutions that align with both business strategy and user needs.

See more

Language

Spanish; Castilian
Fluent
English
Advanced

Work Experience

Senior UX/UI Designer and Front-End Web Developer at Horizon Web LTD
January 1, 2021 - Present
Audit and lead user research and usability testing to identify pain points and report design improvements. Host workshops and design sprints to understand product goals and gather ideas. Design end-to-end user journeys, wireframes, sitemaps, screen flows, prototypes, layout mock-ups, and scalable design systems in Figma. Collaborate cross-functionally with stakeholders and engineering to align product direction for responsive front-end solutions and streamline design-to-development handoff, reducing iteration cycles.
Lead Visual Designer & Art Director at NED College
January 1, 2019 - December 31, 2021
Focused on UI/UX, designed dashboards and flows to enhance NED’s digital products. Delivered consistent tools for sales teams, ensuring usability and scalability. Improved the student onboarding flow (website/app) to increase enrollment completion. Redesigned the course catalogue and navigation structure with accessible and mobile-optimized UI enhancements. Implemented data-driven feedback and usability testing (analytics + interviews) to iteratively improve site features such as applications, payments, and course delivery.
Senior Visual Designer & Front-End Web Developer at Gema Studio
January 1, 2015 - December 31, 2019
Expanded expertise in UI/UX design and front-end web development. Led UX audits for client websites/e-commerce sites to boost conversions and identify friction points in purchase or contact forms. Optimised mobile UX for their websites & online shops to improve load speed, legibility, and engagement. Developed modular design systems for their clients to ensure faster delivery of responsive sites & brand identity work. Integrated user feedback and research into the branding process by applying persona-driven design.
Mid-Level Visual Designer & Design Team Lead at Macrini Agency
January 1, 2013 - December 31, 2015
Led a creative team and managed client relationships with major accounts. Designed communication campaigns and developed impactful strategies. Enhanced the user experience of the intranet dashboards and internal tools, enabling employees to locate policies, updates, and communications more efficiently. Optimised the accessibility of the client's websites by improving their performance & UX. Designed the entire gamification and the UX/UI strategy of an internal platform called PRODE, in which users must log in and play by interacting with each other.
Junior Graphic & Suits Designer at Radikal Studio
January 1, 2011 - December 31, 2012
Enhanced visual consistency (branding and UI graphics) across events, merchandise, and digital channels, and implemented user feedback loops (surveys and interviews) to better tailor fan experience, merchandise offerings, or event communications.
Professional Freelance Designer at smontenegro.com
January 1, 2010 - Present
Provided end-to-end digital design services, including UX/UI, visual design, branding, motion graphics, social media, and web development. Developed creative and user-centered solutions across diverse industries.

Education

Bachelor’s Degree in Visual Communication Design at La Plata National University (UNLP)
January 1, 2007 - December 31, 2012
Google UX Design Professional Certificate at Coursera / Google
January 1, 2025 - December 9, 2025
UX/UI Design & Full-Stack Web Development at Udemy
January 1, 2021 - December 31, 2023
Video Editing, Motion Graphics, UI Components Animation at CETAE
January 1, 2013 - December 31, 2015
Web Design & HTML/CSS Integration at Quilmes National University (UNQUI)
January 1, 2006 - December 31, 2006
Bachelor’s Degree in Visual Communication Design at La Plata National University (UNLP)
January 1, 2007 - December 31, 2012
UX/UI Design & Full-Stack Web Development at Udemy
January 1, 2021 - December 31, 2023
Google UX Design Professional Certificate at Coursera
January 1, 2025 - December 29, 2025
Video Editing, Motion Graphics, UI Components Animation at CETAE
January 1, 2013 - December 31, 2015
Web Design & HTML/CSS Integration at Quilmes National University (UNQUI)
January 1, 2006 - December 29, 2025

Qualifications

Google UX Design Professional Certificate
January 1, 2025 - December 29, 2025
UX/UI Design & Full-Stack Web Development
January 1, 2021 - December 31, 2023
Video Editing, Motion Graphics, UI Components Animation
January 1, 2013 - December 31, 2015
Web Design & HTML/CSS Integration
January 1, 2006 - December 29, 2025

Industry Experience

Education, Software & Internet, Media & Entertainment, Professional Services, Retail