Senior Software Engineer

Welcome to Warner Bros. Discovery… the stuff dreams are made of.

Who We Are…

When we say, “the stuff dreams are made of,” we’re not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD’s vast portfolio of iconic content and beloved brands, are the storytellers bringing our characters to life, the creators bringing them to your living rooms and the dreamers creating what’s next…

From brilliant creatives, to technology trailblazers, across the globe, WBD offers career defining opportunities, thoughtfully curated benefits, and the tools to explore and grow into your best selves. Here you are supported, here you are celebrated, here you can thrive.

Avalanche is a Warner Bros. Games studio located in downtown Salt Lake City nestled against the backdrop of the beautiful Wasatch Mountains. We’ve been in the video game business since 1995, creating interactive experiences for fans of the world’s largest franchises.

Join the team behind the blockbuster open world, action RPG Hogwarts Legacy as we create what’s next!

The Job

Avalanche, a division of WB Games Inc., is seeking a Senior UI/UX Engineer to join our team of talented industry veterans working on a new online multiplayer RPG. This person will work closely with project engineering, UI/UX design, and art leadership to build high-quality, extensible user-interface features for an online multiplayer RPG.

The ideal candidate will own and support a variety of core UI/UX systems in Unreal Engine, demonstrating high competency in interface implementation and a true passion for crafting responsive, polished player experiences.

What part will you play?

• Develop and implement key UI/UX systems and features in Unreal Engine (UMG/Slate), with a focus on extensible, data-driven architecture to support online, evolving interfaces in a live environment.

• Work closely with UI/UX designers and artists to translate wireframes, mockups, and interaction designs into performant, pixel-accurate in-game interfaces.

• Work closely with the project engineering team to architect and develop high-quality, responsive, and accessible UI code.

• Participate in all parts of the development process from concept through to live-ops .

• Build and maintain reusable UI widgets, components, and tooling that empower designers and artists to iterate quickly.

• Perform peer code reviews and champion a high standard of code excellence.

• Mentor junior engineers and provide guidance on new UI features.

• Work with design and product teams on feature viability, costing, design completeness, and risk assessment.

What do we need from you?

• 5+ years of professional software engineering experience, working on cross-functional teams.

• Demonstrable experience implementing UI/UX in Unreal Engine, preferably UE5 (UMG and/or Slate).

• Experience on at least one successfully-published game title or equivalent.

• Bachelor's Degree in Computer Science (or a related field) or equivalent work experience.

• Computer Science fundamentals in object-oriented design, algorithms, and data structures.

• Strong understanding of UI architecture patterns (MVVM/MVC), data binding, layout, and state management.

• Solid grasp of UI performance (draw-call/batching considerations) and memory on constrained platforms.

• A keen eye for visual detail, animation, and interaction polish.

• Strong problem solving, debugging, and troubleshooting skills.

Good to Have

• Hands-on experience with Unreal's Common UI, MVVM/View Model plugin, UMG animation, and Slate.

• Experience supporting multiple input methods (gamepad, keyboard/mouse, touch) plus controller focus/navigation.

• Experience with localization, font/text rendering, and UI accessibility.

• A passion for online multiplayer RPGs and deep experience with online games.

How We Get Things Done…

This last bit is probably the most important! Here at WBD, our guiding principles are the core values by which we operate and are central to how we get things done. You can find them at  along with some insights from the team on what they mean and how they show up in their day to day. We hope they resonate with you and look forward to discussing them during your interview.

Championing…