Hello, I'm Julio Cacko,

a UX Designer & Product Designer

based in Brazil.

Thank you for taking the time to explore my portfolio.
A promotioal image of Input Prompts Pack​ product that include a 5 star rating in Gumroad and some examples of controlers inputs icons

Input Prompts Pack​

An open-source project enhancing video game interfaces and accessibility.

Game UI
Open-Source
UX/UI
View Case Study
A promotioal image of Input Prompts Pack​ product that include a 5 star rating in Gumroad and some examples of controlers inputs icons

Input Prompts Pack​

An open-source project enhancing video game interfaces and accessibility.

Game UI
Open-Source
UX/UI
View Case Study

​App Vivo

​A comprehensive redesign of the Vivo app, undertaken in collaboration with Vivo Brazil and Telefonica Global.

UX/UI
Research
End-to-End Mobile App
Under NDA
A locked icon showing that the project is under NDA
A mockup of the balance screen for the ​App Vivo in a iphone.
A mockup of the balance screen for the ​App Vivo in a iphone.

​App Vivo

​A comprehensive redesign of the Vivo app, undertaken in collaboration with Vivo Brazil and Telefonica Global.

UX/UI
Research
End-to-End Mobile App
Under NDA
A locked icon showing that the project is under NDA
A mockup of the form for subscription for the Vivo Conselho de Usuários in a mobile and a Laptop

Conselho de Usuários

​Composed of users, non-profit organizations. It assesses telecom services, customer service quality, and offers suggestions for service improvement.

Responsive Web Tool
Research
UX/UI
View Case Study
A mockup of the form for subscription for the Vivo Conselho de Usuários in a mobile and a Laptop

Conselho de Usuários

Telefonica Brasil new portal lets you register, choose your category, and vote for Conselho de Usuários. Accessible, secure, and easy to use, it's your chance to shape the future of Telefonica Brasil services.

Responsive Web Tool
Research
UX/UI
View Case Study

​D User Dashboard

​Administrative SaaS platform simplifying access permission management within the Dcide Denergia ecosystem.

UX/UI
Research
SaaS
Responsive Web Tool
View Case Study
A mockup of the ​D User Dashboard  screens with multiple tables , numbers and charts in a laptop
A mockup of the ​D User Dashboard  screens with multiple tables , numbers and charts in a laptop

​D User Dashboard

​Administrative SaaS platform simplifying access permission management within the Dcide Denergia ecosystem.

UX/UI
Research
SaaS
Responsive Web Tool
View Case Study
A mockup of the ​D User Dashboard  screens with multiple tables , numbers and charts in a laptop

​D User Dashboard

​Administrative Saas platform, that simplifies acess permission management within the Dcide Denergia ecosystem.

UX/UI
Research
SaaS
Responsive Web Tool
View Case Study
A mockup of the Risk Denergia dashboard screens with multiple graph and a login page in a laptop

Risk Denergia

An innovative solution for assessing the risk of energy portfolios, accessible on mobile devices.

UX/UI
Research
SaaS
Responsive Web Tool
Under NDA
A locked icon showing that the project is under NDA
A mockup of the Risk Denergia dashboard screens with multiple graph and a login page in a laptop

Risk Denergia

An innovative and efficient solution for assessing the risk of energy portfolios, seamlessly integrated and conveniently accessible on mobile devices, enabling diverse analytical capabilities.

UX/UI
Research
SaaS
Responsive Web Tool
Under NDA
A locked icon showing that the project is under NDA

Joinzap

SaaS marketing tool for managing multiple WhatsApp chats and groups

Responsive Web Tool
Research
UX/UI
SaaS
View Case Study
A mockup of the Joinzap​​ dashboard screens with multiple graph and charts in a laptop
A mockup of the ​Pool Denergia​​ dashboard screens in a smartphone and laptop

​Pool Denergia​​

Main access portal to the Energy Ecosystem of Dcide Ltda., customizable to client requirements.

UX/UI
Research
Responsive Web Tool
SaaS
Under NDA
A locked icon showing that the project is under NDA

Bancos Brazil

Responsive Website that provides users with accurate and up-to-date information on bank services and fees.

Responsive Web Tool
Research
UX/UI
View Case Study
A mockup of the ​Bancos Brazil website screens in a smartphone and laptop
A mockup of the ​Bancos Brazil website screens in a smartphone and laptop

Bancos Brazil

Responsive Website Design that provides users with accurate and up-to-date information on bank services and fees.

Responsive Web Tool
Research
UX/UI
View Case Study
A mockup of the ​Battlefield App screens in smartphone showing a Login Page and a News feed page

​Battlefield App (Personal Project)

Personal project of redesigning the Battlefield Companion App with a focus on user engagement and community building.

Gaming
UX/UI
Responsive Web Tool
View Case Study
A mockup of the ​Battlefield App screens in smartphone showing a Login Page and a News feed page

​Battlefield App (Personal Project)

​Personal project of the redesigning of the Battlefield Companion App. With a focus on user engagement and community building.

Gaming
UX/UI
Responsive Web Tool
View Case Study