UX & Strategic Designer with 7+ years of experience creating user-centered digital products, brand and presentation design. Currently pursuing a Master’s in UX/UI Design in Madrid, with strong skills in research, wireframing, prototyping, and scalable UI systems. --- I’ve worked with startups, NGOs, and international teams, leading end-to-end design for websites, pitch decks, and brand experiences. My work has improved user engagement through UX-driven redesigns and clear, content-focused interfaces. What differentiates me is my strategic approach: I connect business goals with user needs to design solutions that are both effective and meaningful. I’m comfortable collaborating remotely and cross-functionally, bringing structure, clarity, and intention to every project.

Constanza Diaz

UX & Strategic Designer with 7+ years of experience creating user-centered digital products, brand and presentation design. Currently pursuing a Master’s in UX/UI Design in Madrid, with strong skills in research, wireframing, prototyping, and scalable UI systems. --- I’ve worked with startups, NGOs, and international teams, leading end-to-end design for websites, pitch decks, and brand experiences. My work has improved user engagement through UX-driven redesigns and clear, content-focused interfaces. What differentiates me is my strategic approach: I connect business goals with user needs to design solutions that are both effective and meaningful. I’m comfortable collaborating remotely and cross-functionally, bringing structure, clarity, and intention to every project.

Available to hire

UX & Strategic Designer with 7+ years of experience creating user-centered digital products, brand and presentation design.

Currently pursuing a Master’s in UX/UI Design in Madrid, with strong skills in research, wireframing, prototyping, and scalable UI systems.


I’ve worked with startups, NGOs, and international teams, leading end-to-end design for websites, pitch decks, and brand experiences. My work has improved user engagement through UX-driven redesigns and clear, content-focused interfaces.

What differentiates me is my strategic approach: I connect business goals with user needs to design solutions that are both effective and meaningful. I’m comfortable collaborating remotely and cross-functionally, bringing structure, clarity, and intention to every project.

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Language

Spanish; Castilian
Fluent
English
Advanced

Work Experience

Freelance Strategic Designer at Self-employed
October 1, 2018 - Present
Led end-to-end UX/UI design for websites, from research and wireframes to high-fidelity responsive interfaces. Designed digital products and graphic assets including corporate presentations, social media templates, infographics, branding, and iconography. Developed fully editable and scalable design systems for PowerPoint, Keynote, and Google Slides, improving usability and client autonomy. Collaborated directly with clients to define user needs, business goals, and content strategies. Created accessible, content-driven experiences aligned with brand identity and user behavior. Delivered UX-driven solutions that increased engagement, template adoption, and overall product usage. Managed freelance projects independently, ensuring quality, consistency, and timely delivery across multiple design disciplines.
Designer at Slidegrin LLC.
October 1, 2020 - Present
Developing digital products and graphic materials such as corporate presentations, social media templates, infographics, branding, and iconography. These materials allow end users to intuitively edit and customize designs in tools like PowerPoint, Keynote, and Google Slides. Notable increase in template adoption with a rise in downloads and usage within the platform.
Website Redesign Collaborator at CONADECUS A.C.
September 30, 2020 - July 31, 2025
Collaborated on website redesign for the National Consumer and User Corporation of Chile, enhancing user experience and accessibility. Developed an email newsletter that increased click-through rates by 13.74% with a boost in readership, reinforcing the platform as an effective communication channel.
Packaging Designer at Bemisal S.A de C.V
February 1, 2018 - January 31, 2019
Designed packaging solutions for multiple clients using flexographic printing and photolithography systems. Developed graphic materials for internal and external communication, including catalogs, brochures, flyers, and email marketing campaigns. Ensured visual consistency across touchpoints, strengthening brand identity and corporate communication. Collaborated on production-ready designs, aligning creative output with technical printing requirements.

Education

Bachelor’s Degree in Strategic Design at Escuela de Comunicación Mónica Herrera, Santa Tecla, El Salvador
January 1, 2013 - July 31, 2019
Primary & High School Education at Colegio Augusto Walte, La Libertad, El Salvador
January 1, 1997 - November 30, 2012
User Experience for the design of digital products and services at Universidad de Diseño, Innovación y Tecnología
October 1, 2025 - September 1, 2026

Qualifications

Intensive Content Creation Training Workshop with Fernando Revollo
October 1, 2019 - October 31, 2019
Facebook Ads – Create Campaigns from Scratch with Javier Arronte on Crehana
April 1, 2020 - April 30, 2020
Intensive Content Creation Training Workshop
October 1, 2019 - October 31, 2019
Facebook Ads – Create Campaigns from Scratch
April 1, 2020 - April 30, 2020
Facebook Ads – Create Campaigns from Scratch (Crehana Course)
April 1, 2020 - August 20, 2025
Intensive Content Creation Training Workshop with Fernando Revollo
October 1, 2019 - August 20, 2025

Industry Experience

Professional Services, Media & Entertainment, Retail, Non-Profit Organization, Education, Consumer Goods
    paper Designer, SLIDEGRIN LLC.

    I worked as a freelancer designer for Slidegrin LLC; a company base on Huston, Texas, developing digital products and graphic materials such as corporate presentations, social media templates, infographics, branding, and iconography. These materials allow end users to intuitively edit and customize designs in tools like PowerPoint, Keynote, and Google Slides. Thanks to my designs, there has been a notable increase in template adoption, with an estimated rise in downloads and usage within the platform.

    paper UX/ UI Design for CONADECUS A.C.

    In collaboration with CONADECUS —Chile’s national consumer protection organization— we redesigned their institutional website to improve user experience, accessibility, and content clarity. Guided by IDEO’s Human-Centered Design methodology, the project was developed alongside the Communications and IT teams, combining insights from internal interviews, structural wireframing, and iterative design. The result is a more intuitive and service-oriented platform that strengthens CONADECUS’ digital presence and enhances its ability to support consumers online.