Helena Barreiras, Designer in Montemor-o-Novo, Portugal
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Helena Barreiras

Verified Expert  in Design


Montemor-o-Novo, Portugal
Toptal Member Since
April 4, 2018

Helena has more than 10 years of experience in UI/UX, specializing in web and mobile applications. She has helped create multiple products, from educational platforms to cryptocurrency management systems and has been involved in research, strategy, prototyping, and visual design.


Work Experience

UX/UI Designer

2014 - PRESENT
  • Designed the visual identity for the project.
  • Created an archaeological platform with the main purpose of publishing findings and studies within the subject.
  • Designed online exhibits with different themes and design directions.
  • This platform received the award for Best Technology Platform in Alentejo and Ribatejo.
  • Designed a permanent museum exhibit which portrays the daily life of rural workers 60 years ago.
Technologies: InVision, Figma, Adobe Photoshop

Lead UI Designer

2018 - 2020
Rainbows App
  • Designed a social network web app and mobile app that connects non-profit organizations with people around the world. With a goal-driven system that helps both users and organizations improve the world around us.
  • Built a design system on Sketch and Figma based on Atomic Design, from typography, colors to UI elements and templates.
  • Created prototypes with Figma, Invision, and Principle.
  • Worked with a team of UX designers to prepare an MVP for user testing.
  • Worked with a team of developers, preparing assets, and guiding them during production.
Technologies: Social Networking, Branding, Pitch Decks, Presentation Design, Prototyping, Zeplin, Illustration, Atomic Design, Design Systems, Community, Environment, Social Media Apps, Web App Design, Landing Pages, Web UI, Mobile UI, Principle, InVision, Sketch 4, Figma, Adobe Photoshop, App UX, App UI

Lead UI/UX Designer

2018 - 2018
Track Your Coins
  • Researched and analyzed existing crypto market portfolio management solutions.
  • Designed the visual identity for the brand.
  • Designed a cryptocurrency platform to manage users' portfolio and exchanges, with the unique feature of being totally customizable to the users' needs.
  • Designed the landing page for the platform.
  • Created wireframes, prototypes, and interactions for the system.
Technologies: Adobe Experience Design (XD), InVision, Figma, Adobe Photoshop

Creative Director

2015 - 2018
  • Worked with several startups, helping them launch their businesses and products into the market.
  • Planned and created new strategies for the agency's onboarding and sales funnel. Also redesigned the website to improve conversions.
  • Designed a mobile app to teach students music and singing. Teachers can see their students' progress and send them homework within the app.
  • Managed a team of designers, supervised their quality output, and provided direction.
  • Oversaw the development quality output.
  • Managed the client's expectations and deadlines for each project.
  • Designed several landing pages with optimized sales funnels in order to generate more conversions.
  • Designed an eCommerce fashion website for a celebrity.
  • Designed a fitness website for a wrestling celebrity.
Technologies: Sketch, Figma, Adobe Photoshop
2004 - 2008

Bachelor's Degree in Visual and Communication Design

University of Portalegre - Portugal

Collaboration That Works

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