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UI/UX Designer with 10+ years in design and 5+ years specializing in web, desktop and mobile applications and SaaS projects delivering end-to-end digital products that improved usability and boosted engagement (e.g., 30% higher task completion, 20% higher conversions). Proven expertise in UX research, strategy, and design systems, conducting 20+ user interviews and usability tests to create intuitive, accessible interfaces that reduced iteration cycles by 25% and accelerated design-to-development handoffs by 40%. Strong collaborator and communicator, aligning product managers, developers, and stakeholders to build scalable, user-centered solutions—driving measurable impact for global brands like Samsung while maintaining design consistency across platforms.…UI/UX Designer with 10+ years in design and 5+ years specializing in web, desktop and mobile applications and SaaS projects delivering end-to-end digital products that improved usability and boosted engagement (e.g., 30% higher task completion, 20% higher conversions). Proven expertise in UX research, strategy, and design systems, conducting 20+ user interviews and usability tests to create intuitive, accessible interfaces that reduced iteration cycles by 25% and accelerated design-to-development handoffs by 40%. Strong collaborator and communicator, aligning product managers, developers, and stakeholders to build scalable, user-centered solutions—driving measurable impact for global brands like Samsung while maintaining design consistency across platforms.

RENSON MANUEL CARDENAS CASTRO

UI Designer, UX Designer, Web Designer, +2

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UI/UX Designer with 10+ years in design and 5+ years specializing in web, desktop and mobile applications and SaaS projects delivering end-to-end digital products that improved usability and boosted engagement (e.g., 30% higher task completion, 20% higher conversions). Proven expertise in UX research, strategy, and design systems, conducting 20+ user interviews and usability tests to create intuitive, accessible interfaces that reduced iteration cycles by 25% and accelerated design-to-development handoffs by 40%. Strong collaborator and communicator, aligning product managers, developers, and stakeholders to build scalable, user-centered solutions—driving measurable impact for global brands like Samsung while maintaining design consistency across platforms.…UI/UX Designer with 10+ years in design and 5+ years specializing in web, desktop and mobile applications and SaaS projects delivering end-to-end digital products that improved usability and boosted engagement (e.g., 30% higher task completion, 20% higher conversions). Proven expertise in UX research, strategy, and design systems, conducting 20+ user interviews and usability tests to create intuitive, accessible interfaces that reduced iteration cycles by 25% and accelerated design-to-development handoffs by 40%. Strong collaborator and communicator, aligning product managers, developers, and stakeholders to build scalable, user-centered solutions—driving measurable impact for global brands like Samsung while maintaining design consistency across platforms.

Available to hire

UI/UX Designer with 10+ years in design and 5+ years specializing in web, desktop and mobile applications and SaaS projects delivering end-to-end digital products that improved usability and boosted engagement (e.g., 30% higher task completion, 20% higher conversions).
Proven expertise in UX research, strategy, and design systems, conducting 20+ user interviews and usability tests to create intuitive, accessible interfaces that reduced iteration cycles by 25% and accelerated design-to-development handoffs by 40%.
Strong collaborator and communicator, aligning product managers, developers, and stakeholders to build scalable, user-centered solutions—driving measurable impact for global brands like Samsung while maintaining design consistency across platforms.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Work Experience

UI/UX Designer at Jikkosoft

June 1, 2022 - February 1, 2025

Directed end-to-end UX for SaaS web applications used by 5,000+ MAU, aligning business goals with user needs. Conducted 20+ user interviews and usability tests, boosting task completion by 30%. Built scalable design systems in Figma, cutting design-to-development handoff time by 40%. Delivered interactive prototypes and UI mockups that improved stakeholder alignment and reduced iteration cycles by 25%. Collaborated with developers using Material UI and Zeplin to ensure seamless implementation.

UI Designer at Samsung (via agency)

June 1, 2020 - May 1, 2022

Designed responsive web interfaces for Samsung platforms, driving an 18% increase in online engagement. Produced wireframes, mockups, and prototypes aligned with global brand guidelines and accessibility standards. Partnered with international teams to localize designs and optimize for diverse user groups.

UI/UX Designer at Artist Shot

January 1, 2019 - April 1, 2020

Created intuitive e-commerce flows that enhanced navigation and increased conversion rates by 20%. Conducted usability testing on checkout processes, reducing cart abandonment. Developed personas and user flows that informed long-term product strategy.

Graphic & Web Designer at Vitelsa S.A.

February 1, 2017 - December 1, 2018

Designed marketing campaigns that boosted brand visibility by 35% across digital and print channels. Redesigned and maintained the company website, improving performance and customer usability.

Web Designer at Diversiva Agency

January 1, 2016 - December 1, 2016

Launched 5+ websites with SEO optimization and responsive design. Collaborated with marketing teams to align web presence with client strategies.

Graphic Designer at Grafikar

February 1, 2014 - December 1, 2015

Designed print and digital assets for large campaigns, ensuring consistent branding across all channels. Supported transition to web and social platforms, expanding digital reach for clients.