Expert UI Engineer (Gaming)

Location: Melbourne, Victoria, Australia; hybrid working capacity

Company

hirify.global’s Sledgehammer Games develops high-quality multiplayer and single-player video game experiences, including titles in the Call of Duty franchise.

What you will do

• Develop, modify, debug, deploy, evaluate, optimize, and test UI software in Lua and C/C++ for PC and console platforms.
• Engineer menus and widgets throughout the Call of Duty user experience using model-view architectural patterns and proprietary UI editors.
• Collaborate with UIX disciplines, designers, engineers, Production, Art, Audio, QA, and other hirify.global studios using the shared Engine.
• Maintain and improve developer tools that increase productivity for the global UI team.
• Document software and features and participate in scheduling, design, performance, and code reviews.

Requirements

• 10+ years of UI experience in game development.
• Strong knowledge of C/C++, data structures, and performance.
• Experience with Lua or a similar scripting language.
• Practical knowledge of model-view architectural patterns and graphical interface engineering, including the data behind interfaces.
• Ability to debug and solve problems, quickly build expertise in large and complex unfamiliar codebases, and write efficient, clean, readable, and reliable code.
• Ability to collaborate, coordinate, communicate, and support other team members.
• Passion for game development.

Nice to have

• Experience with AI coding using agentic frameworks.
• Experience with large codebases, C#, modern consoles, UI authoring tools such as Unity UI or Rive, version control, and continuous integration.
• Interest in UX and knowledge of Call of Duty and other FPS games.

Culture & Benefits

• Work in a diverse and inclusive environment at hirify.global and Sledgehammer Games.
• Collaborate with a global UI team and other studios within the hirify.global family.
• Contribute to games reaching players worldwide, including the Call of Duty franchise.