
Buenos días,
César Serpa
Designer of systems and experiences who make things that people love—and come back for.
Designing and coding by day; reading, running, and playing by night. Currently as Sr UX Designer at Mercado Libre based in Medellin, CO.

Buenos días,
César Serpa
Designing and coding by day; reading, running, and playing by night. Currently as Sr UX Designer at Mercado Libre based in Medellin, CO.
Work gallery
Design System + Interface Design, UX
Redesigned Architonic’s core research and collaboration experience used by 16M+ architecture and design professionals. Contribute to a full UX/UI redesign focused on simplifying discovery, improving navigation, and aligning the interface with modern usability standards—resulting in increased engagement and faster task completion across key user flows.
































































































Product design, Business design, Interface design, UX
Improving Buk's learning module and collaborator portal to enhance usability and streamline core workflows. Aligning with Buk's mission to provide comprehensive HR solutions across Latin America.
































































































Design System, Interface design
Led the creation of a modular design system and contributed to the redesign of Vantiq's IDE, enhancing the development experience for real-time, event-driven applications. Focused on improving usability and consistency, aligning with Vantiq's mission to accelerate the creation of intelligent systems across industries.
































































































Design System + Interaction Design, Interface design
Collaborated with Kokua to design a compelling landing page aimed at increasing brand awareness and highlighting the agency's diverse design capabilities.
















































































































No-code, Interface design
Collaborated with the Billpad team to design and develop a compelling landing page using Framer. Focused on creating a clean, modern interface that effectively communicates Billpad's features—such as natural language bill entry, iCloud sync, and intuitive swipe gestures.
















































































Product design, Interface design, UX
Collaborated to redesign the user acquisition flow and optimize core workflows within the B2B platform. Focused on improving the user experience for corporate clients, ensuring a seamless onboarding process and efficient navigation.
















































































Design System, Interface design
Redesigned user interface to enhance clarity and usability for travelers tracking real-time flight updates. Developed a cohesive UI kit to ensure consistency across the app, aligning with FlightLogger's commitment to providing a sleek and clutter-free experience.
















































































This site showcases both commissioned and studio projects, where talented teams collaborate with different skills and duties to bring creative visions to life.
✦ It's a team effort.
Team Before Heroes.
✦ It's a team effort. Team Before Heroes.
✦ It's a team effort.
Team Before Heroes.
Short reel
Short reel
At the heart of my work are four design values: usefulness, thoughtfulness, beauty, and craftsmanship. I believe great design solves real needs in meaningful ways—and I’m passionate about shaping experiences that make a measurable, positive difference in people’s lives.
I thrive in collaborative environments where diverse perspectives lead to better outcomes. I move quickly but with care, thinking strategically and executing with attention to detail. Whether zooming out to align with a broader company vision or zooming in on the smallest interface element, I aim to deliver lasting, thoughtful impact.
Design, for me, is about more than solving problems—it's about contributing to something larger.
At the heart of my work are four design values: usefulness, thoughtfulness, beauty, and craftsmanship. I believe great design solves real needs in meaningful ways—and I’m passionate about shaping experiences that make a measurable, positive difference in people’s lives.
I thrive in collaborative environments where diverse perspectives lead to better outcomes. I move quickly but with care, thinking strategically and executing with attention to detail. Whether zooming out to align with a broader company vision or zooming in on the smallest interface element, I aim to deliver lasting, thoughtful impact.
Design, for me, is about more than solving problems—it's about contributing to something larger.
When I am not designing, probably, I am playing games such as Zelda, Halo, Forza Horizon, Mario and so on or reading The Way of Kings (Cosmere).
Quick bullets:
📖
Reading one book or graphic novel at a time.
🎲
Building forest, roads and cities through amazing board games.
👨🏽🌾
I am improving my no-code, business design and management skills… oh, also getting better as farmer.
Experience
Experience
I’ve partnered with companies and clients across agency settings and freelance projects, always drawn to teams that value the impact of thoughtful, well-executed design.
BRAND

Mercado Libre
Mercado Libre
Sr. UX Designer

Freelance


Freelance
Sr. Interface and System Designer


Buk
Buk
Sr. Product Designer


Platzi
Platzi
Product Designer


Koombea
Koombea
UI/UX Designer


Guineo
Guineo
Visual and UI Designer
Rol
Sr. UX Designer
Sr. Interface and System Designer
Sr. Product Designer
Sr. Product Designer
Product Designer
UI/UX Designer
Visual and UI Designer
Create visually appealing and easy-to-use products by putting users first.
UX Design, Website & Mobile Design, Prototyping, User Testing, Monitoring & Optimization, Vision Prototypin.
Smooth systems that ensure your brand stays consistent across all products.
Component Systems, Typography, Color Systems, UI Kits, UX Documentation.
Streamline development, optimize costs, and deliver products to market.
Framer & Webflow Sites, Landing Pages.
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Pablo Lastra
Senior Product Designer at Kokua
Maria Campora
Product Designer at Buk
Estefany Salas
Product Manager at Platzi
Isabel Vergara
Product Designer at Flatairons
Ariel Contreras
Principal Product Manager for Machine Learning and AI at Platzi
Oscar De Moya
Software Designer & Engineering Manager at Koombea
Mariangélica Useche Saavedra
Frontend Developer at Platzi
Are you still here? Ok, then…



Pixeleando
Studying arts
Layers
I’m César, a Product Designer from Antioquia, Colombia, crafting intuitive interfaces and experiences for teams around the world. With over 10 years of experience, I blend usability, storytelling, and design systems to build user-friendly solutions that drive real impact.
Born and raised in LATAM, I bring a multicultural perspective and a balance of detail and big-picture thinking to every project. I've taught Interface and Experience Design at UAC, and today I’m a Senior Interface Designer helping brands meet their goals through thoughtful, accessible design.
Ten years later, I continue to design with the same devotion and love—to create meaningful impact for people.
My goal is to seamlessly blend aesthetics, functionality, and purpose into unified experiences that tell stories and evoke emotion through powerful visuals and journeys.
Ten years later, I continue to design with the same devotion and love—to create meaningful impact for people.
My goal is to seamlessly blend aesthetics, functionality, and purpose into unified experiences that tell stories and evoke emotion through powerful visuals and journeys.
Vision
Great design starts with understanding people. It anticipates their needs and creates meaningful connections with brands.
Design for people. Accessibility and inclusiveness. Stories that move. Design that speaks. Motion that captivates. Images that impact. Unforgettable experiences.
Always beautiful and well made.
Design for people. Accessibility and inclusiveness. Stories that move. Design that speaks. Motion that captivates. Images that impact. Unforgettable experiences.
Always beautiful and well made.



