Expert UI Engineer (C++/Lua)

Location: Melbourne, Victoria, Australia; hybrid working capacity

Company

hirify.global is a video game developer within Activision and Microsoft, 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, deploy, test, and optimize UI software in Lua and C/C++ for PC and console platforms.
• Build functional menus and widgets using proprietary UI editors and contribute to the Call of Duty user experience.
• Work with UIX disciplines, designers, engineers, Production, Art, Audio, and QA to create cohesive player-facing interfaces.
• Co-develop shared Engine features with other Activision studios and maintain developer tools that improve global UI team productivity.
• Document software and features for internal and external engineering teams.
• 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.
• Ability to debug and solve problems and quickly build expertise in large, unfamiliar, and complex codebases.
• Ability to collaborate, coordinate, communicate, and support other team members.
• Ability to write efficient, clean, readable, and reliable code.
• Passion for game development; creative, motivated, focused, and passionate approach.

Nice to have

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

Culture & Benefits

• Inclusive and diverse environment with equal opportunity employment.
• Opportunity to contribute to globally recognized gaming franchises and collaborate with Activision studios.