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I'm a Product Designer focused on end-to-end web and mobile experiences, with 2 years of hands-on work—from discovery and user research to flows, wireframes, prototypes, and high-fidelity UI in Figma. I collaborate across disciplines with PMs, developers, and other designers (often in EN/ES), deliver accessible interfaces, build design systems, and leverage no-code tools (Framer, Webflow, Elementor, WordPress) to speed up delivery while validating decisions with usability and A/B testing.…I'm a Product Designer focused on end-to-end web and mobile experiences, with 2 years of hands-on work—from discovery and user research to flows, wireframes, prototypes, and high-fidelity UI in Figma. I collaborate across disciplines with PMs, developers, and other designers (often in EN/ES), deliver accessible interfaces, build design systems, and leverage no-code tools (Framer, Webflow, Elementor, WordPress) to speed up delivery while validating decisions with usability and A/B testing.

Katherine Martínez

Product Designer, UX Designer, UI Designer, +2

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I'm a Product Designer focused on end-to-end web and mobile experiences, with 2 years of hands-on work—from discovery and user research to flows, wireframes, prototypes, and high-fidelity UI in Figma. I collaborate across disciplines with PMs, developers, and other designers (often in EN/ES), deliver accessible interfaces, build design systems, and leverage no-code tools (Framer, Webflow, Elementor, WordPress) to speed up delivery while validating decisions with usability and A/B testing.…I'm a Product Designer focused on end-to-end web and mobile experiences, with 2 years of hands-on work—from discovery and user research to flows, wireframes, prototypes, and high-fidelity UI in Figma. I collaborate across disciplines with PMs, developers, and other designers (often in EN/ES), deliver accessible interfaces, build design systems, and leverage no-code tools (Framer, Webflow, Elementor, WordPress) to speed up delivery while validating decisions with usability and A/B testing.

Available to hire

I’m a Product Designer focused on end-to-end web and mobile experiences, with 2 years of hands-on work—from discovery and user research to flows, wireframes, prototypes, and high-fidelity UI in Figma.

I collaborate across disciplines with PMs, developers, and other designers (often in EN/ES), deliver accessible interfaces, build design systems, and leverage no-code tools (Framer, Webflow, Elementor, WordPress) to speed up delivery while validating decisions with usability and A/B testing.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Portuguese

Intermediate

Spanish; Castilian

Fluent

Work Experience

Product Designer at Freelancer Projects (Remote)

January 1, 2024 - October 31, 2025

Design web & mobile products for startups/SMBs with a CRO/CX mindset; validate with heuristics, quick tests, and A/B experiments; deliver accessible UIs with clean handoffs; collaborate in EN/ES with PM, dev, and design teams (1–5).

Product Designer at Verde Urbano

January 31, 2025 - January 31, 2025

Worked collaboratively on the website’s visual identity redesign, ensuring brand consistency and improving accessibility and navigation. Created wireframes and prototypes in Figma to validate design decisions with stakeholders.

Product Designer at Petinder.online

November 30, 2024 - November 30, 2024

Established design system foundations (components, tokens, guidelines) to ensure visual consistency and accelerate implementation. Designed and optimized user flows and UI for internal features (pet profile uploads) and external assets (marketing landing pages). Ran early user testing and A/B experiments to validate functionality, optimize UX, and reduce pre-build costs/rework. Produced and coordinated design documentation (specs, annotations, acceptance criteria) to streamline cross-team communication and speed system implementation.

UX/UI Designer at menuResto Project

May 31, 2024 - May 31, 2024

Led end-to-end UX/UI for a restaurant tablet ordering app, optimizing order-taking workflows. Achieved a 98% task completion rate and reduced the order placement time, significantly improving process efficiency. Implemented clarity and accessibility upgrades for less tech-savvy users, increasing confidence and adoption. Refined high-fidelity wireframes and interactive prototypes based on usability testing insights, improving interaction quality and flow efficiency.

Product Designer at SaaS Web Directory

February 29, 2024 - February 29, 2024

Diagnosed usability issues and pain points across the existing website through heuristic evaluation and competitive benchmarking. Redesigned the visual interface to align with modern UI patterns and improve user navigation. Implemented the new interface using Elementor, ensuring responsive behavior and accessibility best practices.

Digital Designer at Freelance / Estudio

January 31, 2024 - January 31, 2024

Created motion & visual assets and landing/UI elements for digital campaigns, using data-informed insights (GA) to improve engagement and conversion across web, email, and social. Highlighted data-driven email campaigns and motion/visuals that boosted brand interaction and performance.

Ecommerce Analyst & Team Lead at Farmacias La Santé, Argentina

May 31, 2023 - May 31, 2023

Owned day-to-day online-store operations and digital campaigns (briefs, segmentation, go-to-market, landing sections). Coordinated a small cross-functional team, managed catalog/SEO and analytics, and translated business goals into experiments and UX improvements, cementing a CX/CRO mindset. Implemented automated chat replies, raising inquiry-resolution from 2% to 89%. Diagnosed UX issues via heuristic reviews/benchmarking and shipped improvements. Managed product catalog and optimized on-page SEO to improve findability. Standardized documentation and calendars, improved handoffs, and reduced rework to accelerate publishing.