Ruben Cespedes
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Principal Product Designer, AI systems, enterprise SaaS, and design at scale.
Principal Product Designer, AI systems, enterprise SaaS, and design at scale.
Principal Product Designer, AI systems, enterprise SaaS, and design at scale.
I design complex products that serve tens
of thousands of users, leading end-to-end from strategy through shipped pixels.
I have owned design systems, shaped product direction at the executive level, and built AI-powered workflows that measurably change how people work. I move fluidly between craft and strategy, and I stay close to the tools.
Selected Work
Selected Work
Brands I've Worked With
Brands I've Worked With
Skills
Skills
01
Product & Experience Design
I design complex products end to end, from early discovery to polished execution. My work focuses on clarity, usability, and real business outcomes. I’ve led UX for cloud platforms, mobile apps, and data-heavy systems, translating messy problems into experiences people can actually use. Research, interaction design, and visual systems all come together in the final product.
As a professional designer, I specialize in crafting unique brand identities that truly reflect the essence of your business. I work with you to ensure consistency across all touchpoints and create a memorable brand that resonates with your audience.
02
Design Systems, Architecture & Scale
I specialize in designing systems that scale. This includes information architecture, design systems, and interaction patterns that support large products and growing teams. I’ve built and maintained design systems used across multiple cloud products, ensuring consistency without slowing teams down. My focus is long-term quality, flexibility, and alignment with engineering.
I offer expert web development services to help you create a stunning online presence. Whether you need a new website or a redesign, I'll ensure your website not only looks great but also provides an intuitive and seamless user experience.
03
Strategy, AI & Cross-Functional Leadership
Beyond execution, I work at the intersection of design, strategy, and emerging technology. I help teams think through AI-driven experiences, data visualization, and product direction. I collaborate closely with product, engineering, and leadership, mentor designers, and guide decisions that shape both the product and the organization.
In the world of product design, I specialize in crafting innovative solutions that seamlessly blend form and function. From concept ideation to prototyping, I leverage my expertise to create products that delight users and exceed expectations.
In the world of product design, I specialize in crafting innovative solutions that seamlessly blend form and function. From concept ideation to prototyping, I leverage my expertise to create products that delight users and exceed expectations. Understanding user's needs, I approach each project with creativity and precision.
Featured Appearances
Featured Appearances
"Ruben was highly responsive, communicated clearly, and iterated quickly on feedback. This made him a pleasure to work with on a Ul project for an app. I'd recommend Ruben to anyone trying to move quickly to build a value opportunity of your product like we did!"
Tyler Douglas - CEO String Inc.
"Ruben is a creative powerhouse. I've personally witness his early growth back in college when he was an aspiring designer. Today with a growing presence in social media and a passion to inspire others to be great, Ruben's drive and dedication to the craft will level up anyone around him."
Wilkins Fernandez - Engineering Leader
"During his time at OS39 Ruben has shown excellent initiative in creating a wide variety of design artwork including logos, posters, banners, window clings, advertisements, web graphics, and more. He is joy to work with and very skilled designer who will add value to any creative team."
Chanhee Kim - Brand & Marketing Communications Creative
"Ruben is an incredibly talented designer, able to create striking photoshop compositions. He is a very hard working and humble designer, where he is always ready to take on any task to contribute to the success of a project. He brings to the table a great mind for concept ideation and development."
William Brockmeyer - Creative Director
"Ruben is a talented designer and it is always a pleasure to work with him. Not only does he create stunning pieces of work but he always goes the extra mile to ensure jobs are completed on time and to a high quality standard."
Paige Sherb - Head of Ops at Chexology
"Ruben was highly responsive, communicated clearly, and iterated quickly on feedback. This made him a pleasure to work with on a Ul project for an app. I'd recommend Ruben to anyone trying to move quickly to build a value opportunity of your product like we did!"
Tyler Douglas - CEO String Inc.
"Ruben is a creative powerhouse. I've personally witness his early growth back in college when he was an aspiring designer. Today with a growing presence in social media and a passion to inspire others to be great, Ruben's drive and dedication to the craft will level up anyone around him."
Wilkins Fernandez - Engineering Leader
"During his time at OS39 Ruben has shown excellent initiative in creating a wide variety of design artwork including logos, posters, banners, window clings, advertisements, web graphics, and more. He is joy to work with and very skilled designer who will add value to any creative team."
Chanhee Kim - Brand & Marketing Communications Creative
"Ruben is an incredibly talented designer, able to create striking photoshop compositions. He is a very hard working and humble designer, where he is always ready to take on any task to contribute to the success of a project. He brings to the table a great mind for concept ideation and development."
William Brockmeyer - Creative Director
"Ruben is a talented designer and it is always a pleasure to work with him. Not only does he create stunning pieces of work but he always goes the extra mile to ensure jobs are completed on time and to a high quality standard."
Paige Sherb - Head of Ops at Chexology
"Ruben was highly responsive, communicated clearly, and iterated quickly on feedback. This made him a pleasure to work with on a Ul project for an app. I'd recommend Ruben to anyone trying to move quickly to build a value opportunity of your product like we did!"
Tyler Douglas - CEO String Inc.
"Ruben is a creative powerhouse. I've personally witness his early growth back in college when he was an aspiring designer. Today with a growing presence in social media and a passion to inspire others to be great, Ruben's drive and dedication to the craft will level up anyone around him."
Wilkins Fernandez - Engineering Leader
"During his time at OS39 Ruben has shown excellent initiative in creating a wide variety of design artwork including logos, posters, banners, window clings, advertisements, web graphics, and more. He is joy to work with and very skilled designer who will add value to any creative team."
Chanhee Kim - Brand & Marketing Communications Creative
"Ruben is an incredibly talented designer, able to create striking photoshop compositions. He is a very hard working and humble designer, where he is always ready to take on any task to contribute to the success of a project. He brings to the table a great mind for concept ideation and development."
William Brockmeyer - Creative Director
"Ruben is a talented designer and it is always a pleasure to work with him. Not only does he create stunning pieces of work but he always goes the extra mile to ensure jobs are completed on time and to a high quality standard."
Paige Sherb - Head of Ops at Chexology
"Ruben was highly responsive, communicated clearly, and iterated quickly on feedback. This made him a pleasure to work with on a Ul project for an app. I'd recommend Ruben to anyone trying to move quickly to build a value opportunity of your product like we did!"
Tyler Douglas - CEO String Inc.
"Ruben is a creative powerhouse. I've personally witness his early growth back in college when he was an aspiring designer. Today with a growing presence in social media and a passion to inspire others to be great, Ruben's drive and dedication to the craft will level up anyone around him."
Wilkins Fernandez - Engineering Leader
"During his time at OS39 Ruben has shown excellent initiative in creating a wide variety of design artwork including logos, posters, banners, window clings, advertisements, web graphics, and more. He is joy to work with and very skilled designer who will add value to any creative team."
Chanhee Kim - Brand & Marketing Communications Creative
"Ruben is an incredibly talented designer, able to create striking photoshop compositions. He is a very hard working and humble designer, where he is always ready to take on any task to contribute to the success of a project. He brings to the table a great mind for concept ideation and development."
William Brockmeyer - Creative Director
"Ruben is a talented designer and it is always a pleasure to work with him. Not only does he create stunning pieces of work but he always goes the extra mile to ensure jobs are completed on time and to a high quality standard."
Paige Sherb - Head of Ops at Chexology
Contact
Contact
Got a role, project, or idea in mind? Let’s connect and see how we might work together.
Got a role, project, or idea in mind? Let’s connect and see how we might work together.