Hear from teams that I've helped turn complexity into clarity.

These testimonials show how I collaborate across product and engineering to ship systems that work in practice.

What teams say

Selected reflections from clients and collaborators.

Sebastián doesn't just design interfaces — he designs intelligent interactions. His ability to translate complex AI capabilities into intuitive, human-centered experiences demonstrates deep systems thinking, clarity, and foresight. Any company building AI-powered digital products would be lucky to have him.

Yainier MartínezSr. Software Engineer

“

Sebastian listens carefully, asks the right questions, and genuinely engages in every project with a positive attitude. He is reliable, present, and professional — respecting deadlines and delivering high-quality work. A trustworthy collaborator, attentive to detail, focused on doing the job well.

Maurine BeillardCEO

“

He consistently demonstrated a strong work ethic, a great ability to learn quickly, and a high level of commitment. An excellent team player who brings a positive attitude and collaborative spirit to every challenge. He would be a valuable addition to any team.

Leonardo FundoraAI & ML Platform Engineer

I worked with Sebastian on a challenging project. We collaborated professionally and contributed valuable ideas. He has a great personality and is always willing to help.

Daria LukyanchukBusiness Analyst

Excellent to work with Sebas!!!

Mauricio LealSoftware Architect

I highly recommend Sebastián for any role involving UX/Product Design or AI Research. His ability to blend user-centric design with cutting-edge technology is exceptional.

Jean TeranFull Stack Engineer

I strongly recommend Sebastián. Excellent and reliable professional.

Lilian Ramirez CárcamoProject Lead, Volkswagen de México

I worked with Sebastian Balderas as a UI/UX Designer on Orderbahn, a SaaS platform. He translates complex workflows into intuitive user experiences, demonstrating clear design thinking and attention to detail. A reliable partner, he consistently elevated our product quality. I highly recommend him for user-centered SaaS solutions.

Andrés Mauricio TrianaBusiness Strategy

Working with Sebastián was a pleasure! He transforms complex ideas into beautiful, intuitive interfaces and always puts the user first!

MJ JasperHealth Educator

I worked with Sebastian Balderas at Avanto, and it was positive. He turned complex needs into clear, user-focused designs. Sebastian was collaborative, open to feedback, and proactive about user needs and business context. I valued his balance of usability, feasibility, and visual clarity, making designs realistic and actionable. He was reliable and open to discussion. I'm confident he'll be a great asset to any team.

Alejandro MorenoBusiness Analyst

Sebastian is highly focused, disciplined, and reliable — always delivering high-quality designs on time. His commitment, attention to detail, and consistency truly stand out.

Juan Camilo CardonaSenior Software Engineer

Sebastián consistently went above and beyond. Beyond thoughtful designs, he proactively took on QA testing when needed. He elevates both the product and the people around him.

Sócrates ManaureFullstack Web Developer

Working on Agentic Dream with Sebastian was a pleasure. He is very detail-oriented, with good communication and commitment throughout every project he worked on.

Fernando DazaPlatform Engineer

I've enjoyed working with Sebastian Balderas, a talented UI/UX Designer. They blend creativity with user needs, resulting in stunning, functional designs. Sebastian's user-first mindset and ability to simplify complex problems set them apart. They communicate clearly, welcome feedback, and drive projects forward with professionalism.

Jonathan TovarFull Stack Developer

Creative and committed to the project and to the clients. He was a bridge between the customers and the dev team, which speeded up the development process and customer satisfaction.

Luis MayzDevOps Engineer

I had the opportunity to work with Sebastian. He is a great professional and a great person, and I strongly recommend him.

Erick GarciaFull Stack Javascript Engineer

Highly recommended.

Christian MejiaTechnical Manager

Sebastián is a skilled UX/UI designer able to break complex problems into small, manageable pieces.

Marco BalderasMigration Lead

Sebastian is a very committed professional, always available to both the client and the team. His deliverables were always approved and handed in on time, often faster than estimated.

Kelly MorenoIT Project Manager & Scrum Master

He's an excellent UX/UI designer with a keen eye for detail and a talent for turning complex needs into elegant interfaces. A great team player and communicator, he's proactive and resourceful, always ensuring project success. Highly recommended.

Abdel BeltranFull-Stack Javascript Developer