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Roblox

Runs a platform where users build and play games

Senior AI Application Engineer - Creator Tools

AI Application EngineeringPosted on Nov 10
Full-timeSan Mateo, CA, USA

About the Job

Requirements

  • At least 5 years of experience shipping high-complexity software and supporting mission-critical applications at scale.
  • Experience architecting, designing, and leading implementation across a wide range of software products and systems.
  • Experience building AI-powered products in production, including large language model integration, orchestration, reliability, and observability.
  • Familiarity with agentic systems and multi-step execution loops, including planning, tool use, retrieval, recovery, and long-running workflows.
  • Understanding of tools, skills, and evaluation frameworks for AI systems, including designing reliable tool interfaces and measuring quality through structured evaluations.
  • Experience building data pipelines and turning large-scale behavioral and business data into signals, scores, and recommendations.
  • Expertise in component-based libraries and frameworks, with a strong grasp of building performant, high-quality user experiences.
  • Proficiency in C++, C#, Java, Python, or similar programming languages.
  • Strong understanding of SQL and NoSQL systems at scale.
  • Ability to work amid ambiguity on a new team and partner closely with product and non-engineering stakeholders to define what gets built.

Responsibilities

  • Understand the needs of the community that uses Roblox software, including internal Creator Relations teams and developers around the world.
  • Take ownership of designing, building, testing, and deploying services within the Roblox ecosystem.
  • Turn early prototypes and team-built tools into reliable, scalable, production-quality products.
  • Work on technical challenges within complex systems.
  • Set a high technical bar for code quality, architectural designs, and long-term planning.
  • Develop fellow engineers on the team.

About the Company

Roblox

Runs a platform where users build and play games

Roblox runs an online platform where people play, chat, and hang out in 3D games built by its users rather than by the company itself. In 2025, Grow a Garden, a game a teenager made on Roblox, set the record for the most people playing one video game at the same time. Creators build games with Roblox Studio, a free design tool, and players join through the free Roblox app on phones, computers, game consoles, and VR headsets. Roblox makes money by selling Robux, a virtual currency players spend on avatar items and in-game extras, and it shares part of that spending with creators, who can exchange their Robux for real money. Roblox was founded in 2004 and is based in San Mateo, California.

Company size
1,001-5,000
Company stage
IPO
Headquarters
San Mateo, CA
Founded
2004

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