Staff Software Engineer, Engine & Tools (AI/ML)

Location: Based in Sydney, Australia

Company

Riot Games develops player-focused video games and an unpublished R&D product.

What you will do

• Design and implement AI/ML-driven tools and features that improve developer efficiency and player-facing workflows.
• Discover and conceptualize AI-powered workflow enhancements with designers, artists, producers, QA, and engineers.
• Define the future vision for AI-based developer tooling and workflows with engineering leaders.
• Architect and implement foundational elements of the game-tools ecosystem using modern and existing technologies.
• Share AI-based solutions across Riot's portfolio and provide documentation and training for internal users.
• Mentor engineers, model engineering best practices, and support adoption of AI/ML tools across the team.

Requirements

• 8+ years of professional software engineering experience, including delivery of live or shipped products at scale.
• 3+ years of experience developing game-development tools with C++.
• Professional experience with Unreal Engine and production-ready AI/ML systems.
• Bachelor's degree in computer science or equivalent experience.
• Ability to navigate ambiguity and influence technical and non-technical stakeholders through strong communication.

Nice to have

• Knowledge of reinforcement learning, imitation learning, decision-making under uncertainty, LLMs, AI planning, or multi-agent systems.
• Experience with PyTorch, TensorFlow, pandas, or comparable ML and data-science frameworks.
• Experience with AAA game tooling and integrations with client and backend systems.
• Experience developing AI/ML-driven content tools integrated with art pipelines such as Maya or Blender.
• Experience mentoring technical leaders and contributing to engineering culture across distributed teams.

Culture & Benefits

• Open paid time off, paid parental leave for primary and secondary carers, and flexible work schedules.
• Medical insurance for employees and dependents, plus an Employee Assistance Program.
• Wellness fund and learning and development opportunities.
• Co-op gaming areas, a player-focused play fund, and snacks at the workplace.
• Donation matching for time and money contributed to registered charities.
• Collaborative, inclusive culture centered on teamwork, diversity, and respectful conduct.