UI/UX Artist - Midcore Portfolio team
Job description
About the role
This position defines the visual language of a live hybrid game and owns its user interface from concept to shipped product. You will partner with creative directors and production leads to shape concepts into robust UI systems that players experience on device. Each decision you make influences clarity, retention, and long-term engagement. You will translate product goals into interface solutions while respecting technical boundaries and player needs. The role sits within a global team responsible for a portfolio of resilient hybrid games that generate substantial revenue. You will contribute to products that are viewed by millions of users and are central to the company's success as a leading hybrid publisher. Your work will be visible across multiple titles and can influence design practices in other studios.
Key facts
What you'll do
Analyze live data and player feedback to iterate quickly on UI performance and player comprehension within the mobile portfolio.
Translate abstract product goals into concrete interface solutions while respecting engineering constraints and player accessibility needs.
Architect scalable UI component libraries and maintain a reusable asset system to ensure visual and functional consistency across the portfolio.
Develop user flows and navigation structures that align with design intent and the technical realities of hybrid game development.
Design interface motion and micro-interactions that improve usability and reinforce the distinct game feel on mobile devices.
Produce high-fidelity 2D assets such as menus, HUD elements, buttons, and icons optimized for mobile performance and varying screen densities.
Collaborate with the Art Director to define and execute the game's visual direction and establish a cohesive interface language for the team.
Work with game designers and product managers to ensure interfaces support gameplay loops, retention goals, and overall player journey objectives.
Document design decisions and patterns in a clear manner to enable other teams to implement the interface without constant supervision.
Coordinate with remote engineering and analytics teams to resolve technical constraints while preserving interaction clarity and visual integrity.
Propose design experiments intended to boost engagement and improve the user journey through data-informed iterations and hypothesis testing.
Requirements
You bring a minimum of four years of experience shipping mobile user interfaces in a professional production environment.
You demonstrate mastery of Figma for layout organization and for effectively communicating design decisions to cross-functional stakeholders.
You have implemented UI in Unity and maintained responsive interfaces that perform reliably under varying technical conditions and device capabilities.
You apply strong visual judgment to typography, color, and spacing to ensure readability and interaction clarity for diverse players.
You use animation tools such as Unity Animator, DOTween, After Effects, Lottie, or animatics to deliver responsive interface feedback that feels polished and intentional.
You work effectively with cross-functional, remote teams and communicate clearly and professionally in written English across time zones.
You create and maintain design documentation that is robust enough to allow other teams to adopt standards efficiently and reduce ongoing clarification needs.
You react quickly when player behavior signals confusion or difficulty with the interface, iterating on solutions to reduce friction and improve comprehension.
Nice to have
Experience identifying genre-specific trends and adapting successful interaction patterns from other successful products to the mobile portfolio context.
Practical notes
This role is based in Barcelona. It is a full-time position dedicated to the development and maintenance of the mobile portfolio.
About the company
Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees from 40+ nationalities, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta.