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Hi, I’m Davy Castillo, a UX/UI & Web Designer focused on turning complex requirements into intuitive, visually engaging digital experiences. I collaborate with product owners, solution architects, and developers to align design direction with technical execution across end-to-end projects. Over the years I’ve built scalable design systems for energy and industrial platforms, crafted responsive interfaces for education and healthcare, and contributed to branding, marketing collaterals, and front-end development. I’m passionate about accessibility, consistency, and delivering seamless user experiences across web and mobile.…Hi, I’m Davy Castillo, a UX/UI & Web Designer focused on turning complex requirements into intuitive, visually engaging digital experiences. I collaborate with product owners, solution architects, and developers to align design direction with technical execution across end-to-end projects. Over the years I’ve built scalable design systems for energy and industrial platforms, crafted responsive interfaces for education and healthcare, and contributed to branding, marketing collaterals, and front-end development. I’m passionate about accessibility, consistency, and delivering seamless user experiences across web and mobile.

Davy Castillo

UI Designer, UX Designer, Web Designer, +3

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Hi, I’m Davy Castillo, a UX/UI & Web Designer focused on turning complex requirements into intuitive, visually engaging digital experiences. I collaborate with product owners, solution architects, and developers to align design direction with technical execution across end-to-end projects. Over the years I’ve built scalable design systems for energy and industrial platforms, crafted responsive interfaces for education and healthcare, and contributed to branding, marketing collaterals, and front-end development. I’m passionate about accessibility, consistency, and delivering seamless user experiences across web and mobile.…Hi, I’m Davy Castillo, a UX/UI & Web Designer focused on turning complex requirements into intuitive, visually engaging digital experiences. I collaborate with product owners, solution architects, and developers to align design direction with technical execution across end-to-end projects. Over the years I’ve built scalable design systems for energy and industrial platforms, crafted responsive interfaces for education and healthcare, and contributed to branding, marketing collaterals, and front-end development. I’m passionate about accessibility, consistency, and delivering seamless user experiences across web and mobile.

Available to hire

Hi, I’m Davy Castillo, a UX/UI & Web Designer focused on turning complex requirements into intuitive, visually engaging digital experiences. I collaborate with product owners, solution architects, and developers to align design direction with technical execution across end-to-end projects.

Over the years I’ve built scalable design systems for energy and industrial platforms, crafted responsive interfaces for education and healthcare, and contributed to branding, marketing collaterals, and front-end development. I’m passionate about accessibility, consistency, and delivering seamless user experiences across web and mobile.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

User Interface Designer / Developer at Mimos Berhad

November 30, 2019 - November 30, 2019

Handled UI design and implementation for Malaysia’s National Information Hub (U-Pustaka), delivering responsive interfaces for national library systems and ensuring pixel-perfect styling and usability across modules. Collaborated closely with lead developers, business analysts, and the director to align design and functionality.

UX/UI Designer at Energy Web

October 1, 2019 - Present

Designed and implemented UI for Energy Web platforms and websites, building scalable design systems that support energy transition initiatives. Collaborated with solution owners, solution architects, and developers to align requirements, design direction, and technical execution throughout end-to-end design. Led UI design and implementation for toolkits issuing and managing Energy Attribute Certificates (EACs), energy flexibility and grid integration tools, decentralized identity management, demand response enhancements, and system integration gateway solutions. Also designed and maintained Energy Web’s corporate website and staking interface, producing collaterals for the commercial team and supporting video ads for social media. Projects include Origin Platform Flex-Hub (Austrian Power Grid), Decentralized Identity & Switchboard Platform, Demand Flexibility Platform (California ISO), DDHub Client Gateway / Digital Spine, Green Proofs for Bitcoin, SAFc Registry, Maritime Book & Clai

Senior Designer at Energy Web

October 1, 2019 - November 28, 2025

Lead UI design and implementation for Energy Web platforms and toolkits, building consistent and scalable design systems. Contributed to projects spanning Energy Attribute Certificates issuance, energy flexibility and grid integration tools, decentralized identity management, demand response and Flex Alert enhancements, system integration gateways, SAFc certification systems, maritime registry/claims, and corporate website/staking interfaces. Collaborated with solution owners, architects, and developers to align requirements, design direction, and technical implementation across the end-to-end design process.

UI Designer / Developer at Mimos Berhad

December 1, 2017 - November 30, 2019

Handled UI design and implementation for Malaysia’s National Information Hub (U-Pustaka), delivering responsive interfaces for national library systems. Collaborated closely with lead developers, business analysts, and the director to align design and functionality, ensuring pixel-perfect styling and usability across modules.

User Interface Designer / Developer - Contract at Mimos Berhad

November 30, 2017 - November 30, 2017

Responsible for UI and graphic design, including interface styling and implementation, for TPC-OHCIS, Malaysia’s national healthcare enterprise system. Designed UI for modules including Patient Management, Reports, Dashboards, System Administration, and Mobile Self-Monitoring Portal; delivered offline/online solutions for Health, Dental, and Community Clinics with design consistency and accessibility.

UI Designer / Developer - Contract at Mimos Berhad

April 1, 2015 - November 30, 2017

Responsible for UI and graphic design, including interface styling and implementation, for TPC-OHCIS (Total Public Clinics Open Health Information System). Designed and implemented UI for modules including Patient Management, Reports, Dashboards, System Administration, and Mobile Self-Monitoring Portal. Delivered offline/online solutions for Health, Dental, and Community Clinics. Ensured design consistency, responsiveness, and accessibility across devices.

UX/ Web Designer at Hubwire

March 1, 2015 - March 1, 2015

Designed and implemented user interfaces for Hubwire’s omnichannel retail platform, collaborated with the CEO, marketing, and development teams, contributed to website design and WordPress development, maintained responsive branding, and supported product photography and image editing.

UX/Web Designer at Hubwire

March 1, 2014 - March 31, 2015

Designed and implemented user interfaces for Hubwire’s omnichannel retail platform, collaborating with the CEO, marketing, and development teams. Created UIs for Hubwire’s e-commerce platform, contributed to website design and WordPress development, and supported product photography and image editing. Helped shape early design processes for the omni-commerce platform, integrating content, logistics, and channel management.

Associate Technical Specialist – User Interface Engineer at Alliance Software Inc.

March 1, 2014 - March 1, 2014

Designed and implemented user interfaces for the Hubwire omnichannel retail platform, collaborated with CEO, marketing, and development teams; created website templates from concept to production-ready builds; coordinated with offshore and onshore teams for multiple UI projects; produced marketing and technical collaterals.

Associate Technical Specialist – User Interface Engineer at Alliance Software Inc.

June 1, 2010 - March 31, 2014

Designed and implemented user interfaces for Hubwire omnichannel platform. Created and designed website templates—from concept to HTML-ready, production-ready builds. Collaborated with offshore and onshore teams to deliver UI designs and implementations across multiple projects. Developed marketing and technical collaterals for the company’s marketing and product teams.

Graphic Designer at Basic Graphics, Inc.

May 31, 2010 - May 31, 2010

Graphic designer for print and commercial projects; produced annual reports, books, magazines, and packaging in CMYK for offset printing; collaborated with art directors, clients, proofreaders, and operators to ensure color and layout accuracy; contributed to branding and marketing visuals.

Graphic Designer at Basic Graphics, Inc.

March 1, 2009 - May 31, 2010

Designed annual reports, books, magazines, tourism materials, and packaging in CMYK for commercial printing. Collaborated with art directors, clients, proofreaders, and operators to ensure color and layout accuracy. Developed visuals used for branding, publications, and marketing campaigns.