Sérgio Estrella

Designer

Medellín - Antioquia, Colombia

Member since January 26, 2017

With over a decade of experience in UI/UX design, Sérgio has been working with small and large teams in several areas such as education, enterprise, pets, sports, entertainment, automobile industry, and more. Design interfaces and shape experiences are what he really likes to do. He's a technology and games enthusiast who's interested in the way people interact with the digital world and how this changes over time.

User Interface (UI)User Experience (UX)Adobe Experience Design (XD)Sketch Web Design Responsive Web Design (RWD)Adobe Photoshop Adobe Illustrator Mobile UI Prototyping Branding Wireframing Show more

Sérgio is now available for hire

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Portfolio

Digital Design

Fiat Companion App
- Driving
- Cars
- Gamification
- Data Visualization
- iOS
- Mobile UX
Drizzle Team Management App
- Team Management
- Data Visualization
- Web Applications
- Forms
- Dashboards
- Charts
BlendPet | App UX
- Pets
- Apps
- Animal Care
- Veterinary Medicine
CityBike's Bike Renting App
- Transportation & Shipping
- Bike Rentals
- Embedded Systems
- Maps
- Location Services
ServiceReef Landing Page
- Landing Pages
- Lead Generation
- Web Applications
- Charity
- Volunteering
- Sales
- Responsive Design
ABInBev | Invoice Dashboard App
- Food & Beverage
- Management
- Invoices
- Maps
- Data Visualization
- Mobile UX
BlendMobi Approval App
- SAP
- Order Management
- Budget Management
EduX Classes | Reporting UX and Interaction Design
- Education Management Systems
- Time Management
- School
- Data Visualization
- Responsive Design
Geekverse | Visual Identity and UX Design
- eCommerce
- Toys & Children's Products
- Social Media Marketing
- Email Marketing

Employment

UI/UX Designer
2017 - PRESENT
Kalon Creative (via Toptal)
- Designed a platform for managing volunteers in events for non-profit organizations.
- Developed the UI of a white-label platform for non-profit organization manage team members, courses and content.
- Worked on a accountability platform to track users access across internet, desktop and mobile.
- Designed a landing page for a web app that helps agencies, universities, and churches manage all aspects of mission trips.
- Designed the landing page for a humanitarian organization against Human Trafficking.
Technologies: Sketch, InVision, Abstract, Squarespace
UX/UI Designer
2017 - 2018
BlendMobi
- Researched, prototyped, and designed mobile apps and platforms. I worked with the clients to understand their needs and pains—bringing emphatic solutions.
- Developed the UX and UI for the new version of an invoice analytics app (the client was a beer company).
- Designed a new app for enabling food rescue in the city of São Paulo.
- Created a customizable app for internal approvals. The app is customizable to the branding and color choices of each individual client.
- Designed an app concept for pet care and management.
Technologies: Adobe XD, Illustrator, Photoshop, Jira
UX/UI Designer, Front-end Developer
2015 - 2016
Iterative
- Designed, prototyped, and developed web and mobile apps.
- Created delightful and easy-to-use experiences for the users.
- Understood user needs and problems.
- Ensured the access of a wide range of devices with the client-side development.
- Prototyped, created, and implemented layouts and user flows in the client, partner, operational, mobile and institutional environment for ConectCar; this company uses an Automatic Vehicle Identification (AVI) technology that allows it to be automatically recognized in tolls.
- Implemented layouts and did bug fixing for an incentive campaign platform for Accentiv' Mimética—an agency that integrates relationship and marketing solutions.
- Created, implemented the layouts, and turned the static layouts into responsive ones in an institutional environment and B2B for Vivo Zuum—a digital bank account service that's integrated with other services, like the public transportation system.
Technologies: HTML5, CSS3, JavaScript, Bootstrap, Foundation, jQuery, Node.js, LESS, Visual Studio, TFS, Sublime, Photoshop, Illustrator, Fireworks, Dreamweaver, Axure
UX/UI Designer, Front-end Developer
2013 - 2015
Geekverse
- Designed and implemented a layout for an eCommerce focused on geeky customers, CMS maintenance, email marketing, and advertising placement.
Technologies: HTML5, CSS3, JavaScript, jQuery, CMS (Iluria, Loja Integrada), Photoshop, Illustrator, Fireworks, Dreamweaver, MailChimp
Graphic Designer, Web Designer
2012 - 2013
Tambor Digital
- Designed and managed advertising campaigns complete with static and animated artworks, and e-mail marketing.
- Designed and developed campaign hot sites.
Technologies: HTML5, CSS3, JavaScript, jQuery, PHP, Magento, Joomla, WordPress, Photoshop, Illustrator, Fireworks, Flash
Graphic Designer, Web Designer
2010 - 2012
Brosz
- Worked mainly on content management, advertising, and social media.
- Coordinated the design team and improved the design consistency across the products and advertising campaigns.
- Maintained and implemented the frequent site changes and improvements.
Technologies: HTML, CSS, PrestaShop, Photoshop, Illustrator, Fireworks
Web Designer
2009 - 2010
Federal University of Paraná (UFPR)
- Developed and managed the UFPR Design Department website.
Technologies: HTML, CSS, CMS (Blogger), Photoshop
Graphic Designer
2004 - 2006
Digital House
- Created the branding and graphic design for print and the web.
- Worked on photo editing and restoration.
Technologies: Photoshop, Illustrator

Other Experience

Design Tool Showdown – Adobe XD vs. Sketch (2019) (Publication)
https://www.toptal.com/designers/ui/adobe-xd-vs-sketch-2019
Since its introduction in 2017, Adobe XD has matured when compared to its rival, Sketch. Looking at Adobe XD vs Sketch, is it time for a change?
Adobe XD vs. Sketch – Which UX Tool Is Right for You? (Publication)
https://www.toptal.com/designers/ux/adobe-xd-vs-sketch-which-tool
After years without a dedicated UX tool and the space owned by Sketch, InVision, and Figma, Adobe started developing XD. Let's look at XD and how it compares with Sketch, the market’s dominant choice.

Education

Specialization in Interaction Design
2017 - 2018
University of California, San Diego | Coursera - Online
Post graduation certificate in Design and Digital Technology for Products and Services
2010 - 2012
Fundacao Armando Alvares Penteado | FAAP - São Paulo, Brazil
Bachelor's degree in Graphic Design
2006 - 2010
Federal University of Paraná | UFPR - Curitiba, Brazil

Experience

User Interface (UI)10 years
User Experience (UX)9 years
Interaction Design (IxD)9 years
Adobe Photoshop9 years
Adobe Illustrator9 years
Sketch1 year
InVision1 year
Adobe Experience Design (XD)1 year

Tools

Adobe Experience Design (XD)
InVision
Sketch
Adobe Photoshop
Adobe Illustrator

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