Senior UI Engineer (Contract)

At ArenaNet, we’ve always believed that games are art. They have the power to communicate ideas and tell stories. They can change the way we think, reflect our cultures, and move us. As the developer of the award-winning Guild Wars game series, we’re proud to share our passion for the online worlds we’ve created with over 21 million players worldwide. ArenaNet develops and publishes games for every kind of person, which means our games need to be built by every kind of person. We believe the best experiences come from working together, celebrating differences, and helping each of our team members shine. We are looking for a Contract Senior UI Engineer to support development on our upcoming title, Guild Wars 3. Working closely with UX, UI, Gameplay, and Engineering teams, this role will help build scalable, maintainable, and player-focused interface systems that support high-quality gameplay experiences across multiple input schemes and platforms. WHAT YOU’LL DO Build and maintain scalable UI systems and gameplay-facing interfaces in Unreal Engine 5 Develop maintainable MVVM-style UI architecture and workflows using Unreal Engine tools and frameworks Collaborate closely with UX designers to translate wireframes, flows, and mockups into polished in-game experiences at both the screen and widget level Implement responsive interfaces that support multiple input schemes, including controller and keyboard/mouse Build reusable UI systems, widgets, and components that support long-term scalability and maintainability Partner with Gameplay, UI, and Engineering teams to integrate gameplay systems, player data, and backend-driven features into the UI layer Develop and maintain UI functionality using both C++ and Blueprint workflows Support iteration and polish through debugging, optimization, usability improvements, and feedback integration Help identify and improve UI engineering workflows, pipelines, and technical standards across the project Balance performance, usability, maintainability, and visual quality within production constraints WHAT YOU’LL NEED TO BE SUCCESSFUL 5+ years of professional experience working as a UI Engineer, Gameplay Engineer, or related engineering role in games or interactive media Experience building maintainable user interfaces in Unreal Engine 5 Strong proficiency with Unreal Engine 5 UI systems, including UMG, Blueprint workflows, and gameplay-facing UI implementation Proficiency with both C++ and Blueprint implementation Experience supporting multiple input schemes, including controller and keyboard/mouse workflows Experience collaborating closely with UX designers to translate designs into functional in-game experiences Strong understanding of UI architecture, scalability, maintainability, and responsive UI design principles Experience debugging, optimizing, and maintaining gameplay-facing UI systems Strong communication and collaboration skills working across UX, Design, Gameplay, and Engineering teams Self-motivated and comfortable operating in an iterative and collaborative development environment NICE TO HAVE Experience shipping UI systems or features on console and PC titles Experience building data-driven or backend-integrated UI systems Familiarity with accessibility considerations and best practices for game UI Experience working on multiplayer or live-service games Experience with UMG’s Common UI framework and the MVVM paradigm Familiarity with animation, transitions, and gameplay presentation systems in UI workflows This is a one-year contract. Applications will be accepted until Friday, June 26th by 10am PT. If the deadline is extended, the posting will be updated accordingly. If the position is filled before this date, the posting will be removed. Don’t meet every single requirement on this job post? Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. At ArenaNet, we believe diversity in culture, ethnicity, gender, sexual orientation, and backgrounds make us a better team – we celebrate it. So, if you’re excited about this role, but your experience doesn’t align perfectly with every qualification listed, we encourage you to apply anyway. You may be just the right candidate for this or other roles. Apply To This Job