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Senior UI/UX Designer and Front-End Developer who bridges design and development to deliver usable, scalable, and developer-friendly solutions. Strong focus on complex admin interfaces, design systems, and production-ready HTML/CSS. As a creative founder of KREATIK in Switzerland, I combine detailed usability thinking with aesthetics and digital innovation (including 3D and digital design). I enjoy leading teams, building clear design handoffs, and crafting interactive UI implementations that work in real products.…Senior UI/UX Designer and Front-End Developer who bridges design and development to deliver usable, scalable, and developer-friendly solutions. Strong focus on complex admin interfaces, design systems, and production-ready HTML/CSS. As a creative founder of KREATIK in Switzerland, I combine detailed usability thinking with aesthetics and digital innovation (including 3D and digital design). I enjoy leading teams, building clear design handoffs, and crafting interactive UI implementations that work in real products.

Sérgio Domingos

UI Designer, UX Designer, Front-End Developer, +2

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Senior UI/UX Designer and Front-End Developer who bridges design and development to deliver usable, scalable, and developer-friendly solutions. Strong focus on complex admin interfaces, design systems, and production-ready HTML/CSS. As a creative founder of KREATIK in Switzerland, I combine detailed usability thinking with aesthetics and digital innovation (including 3D and digital design). I enjoy leading teams, building clear design handoffs, and crafting interactive UI implementations that work in real products.…Senior UI/UX Designer and Front-End Developer who bridges design and development to deliver usable, scalable, and developer-friendly solutions. Strong focus on complex admin interfaces, design systems, and production-ready HTML/CSS. As a creative founder of KREATIK in Switzerland, I combine detailed usability thinking with aesthetics and digital innovation (including 3D and digital design). I enjoy leading teams, building clear design handoffs, and crafting interactive UI implementations that work in real products.

Available to hire

Senior UI/UX Designer and Front-End Developer who bridges design and development to deliver usable, scalable, and developer-friendly solutions. Strong focus on complex admin interfaces, design systems, and production-ready HTML/CSS.

As a creative founder of KREATIK in Switzerland, I combine detailed usability thinking with aesthetics and digital innovation (including 3D and digital design). I enjoy leading teams, building clear design handoffs, and crafting interactive UI implementations that work in real products.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Portuguese

Fluent

French

Advanced

English

Intermediate

Spanish; Castilian

Intermediate

German

Beginner

Afrikaans

Advanced

Armenian

Advanced

Aragonese

Intermediate

Catalan; Valencian

Beginner

Work Experience

Lead UI/UX Designer & Front-End Developer at Smallrivers

January 1, 2025 - January 1, 2025

Led UI/UX design and front-end development (HTML/CSS) for a social networking application. Focused on usability and translating interface concepts into implementation-ready front-end work.

Founder of an advertising agency (side venture) at SIDE VENTURE KREATIK

June 1, 2017 - Present

Provides a range of creative and production services including stickers, 3D printing, 3D CAD, and laser engraving, along with other digital/creative deliverables. Works across design and making/prototyping to support clients’ branding and product needs.

Founder at SIDE VENTURE KREATIK

June 1, 2017 - Present

Founded an advertising/creative side venture providing services including stickers, 3D printing, 3D CAD, and laser engraving, among other related offerings.

Founder at KREATIK (side venture)

June 1, 2017 - Present

Founder of a creative agency/side venture providing services including stickers, 3D printing, 3D CAD, and laser engraving, among others. Work blends creative production with practical digital implementation, focusing on delivering polished, usable outcomes across design and digital innovation.

Lead UI/UX Designer and Front-End Developer (HTML/CSS) at Smallrivers

October 1, 2012 - May 1, 2025

Designed and implemented UI/UX for a social networking application, including wireframing, layout design, and front-end styling in HTML/CSS for interactive web components.

Lead UI/UX Designer & Front-End Developer at Smallrivers

October 1, 2012 - May 1, 2025

Worked as lead UI/UX designer and front-end developer (HTML/CSS) for a social networking application.

Lead UI/UX Designer & Front-End Developer at GateMedia SA

October 1, 2012 - Present

Lead UI/UX Designer for complex admin interfaces and responsible front-end development to deliver rich, interactive HTML/CSS mockups ready for implementation. Bridges design and development to produce scalable, usable, and developer-friendly UI solutions.

IT Technician at Albibit Informática, Lda

January 1, 2008 - August 1, 2009

Technician responsible for building custom desktop computers, repairing and maintaining hardware and peripherals, and installing/configuring computer networks.

Automated Machine Technician at Delphi Automotive Systems

January 1, 2005 - July 1, 2008

Technician responsible for setting up industrial machines for production.

IT Technician at Albibit Informática, Lda

May 1, 2003 - July 1, 2008

Technician responsible for building custom desktop computers, repairing and maintaining hardware and peripherals, installing and configuring computer networks.