Senior UI Engineer (Game Development)

Location: Melbourne, Victoria, Australia; hybrid working capacity

Company

hirify.global is a video game developer known for the Call of Duty franchise and high-quality multiplayer and single-player first-person shooter experiences.

What you will do

• Develop, modify, debug, test, and optimize UI software in Lua and C/C++.
• Build functional menus and widgets using proprietary UI editors.
• Deploy and evaluate UI performance on PC and console platforms.
• Collaborate with UIX disciplines, designers, engineers, Production, Art, Audio, and QA.
• Co-develop shared engine features with other Activision studios.
• Maintain developer tools, document software and features, and participate in scheduling, design, performance, and code reviews.

Requirements

• 5+ years of UI experience in game development.
• Strong knowledge of C/C++, data structures, and performance optimization.
• Experience with Lua or a similar scripting language.
• Ability to debug and solve problems in large, unfamiliar, and complex codebases.
• Ability to write efficient, clean, readable, and reliable code and collaborate effectively.
• Passion for game development.

Nice to have

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

Culture & Benefits

• Work in a diverse and inclusive video game development environment.
• Collaborate with studios across the Activision organization.
• Contribute to globally played entertainment franchises.