3 months ago
San Mateo, CA, USAStaff+
Base Salary
$399k - $458k/yr
Responsibilities
- Design and build production-grade agentic AI systems for planning, execution, validation, and evaluation in Roblox Studio.
- Define how coding models, agents, retrieval, tool calling, and context management are used across Studio’s Assistant and creator workflows.
- Own the AI quality bar and establish quantitative, qualitative, and human-in-the-loop evaluation pipelines.
- Optimize AI systems for latency, throughput, and cost through caching, routing, distillation, and quantization.
- Develop reusable applied-AI patterns and best practices for Studio engineering teams.
- Set technical direction, design architecture, and write code as a hands-on individual contributor.
Requirements
- 12+ years of engineering experience, including ownership of large-scale, long-lived platforms.
- Deep hands-on experience building LLM-powered and agentic systems in production beyond chat-based interfaces.
- Strong systems and software engineering skills with the ability to design architecture and write code.
- Experience defining AI product-quality evaluation frameworks using automated metrics and human review.
- Experience optimizing inference for latency, throughput, and cost.
- Strong background in developer tools or IDE-like platforms and the ability to set technical direction across multiple teams as an individual contributor.
- Preferred: experience with coding models or code-generation systems.
- Preferred: research experience in reinforcement learning, including RLHF, RLAIF, preference modeling, or related model-training techniques.
- Ability to communicate technical direction clearly while operating at deep technical levels.
Benefits
- Equity compensation and employee benefits for full-time employees.
- Office-based roles are onsite Tuesday, Wednesday, and Thursday, with optional presence Monday and Friday.
- Equal employment opportunities and reasonable accommodations are provided.
Categories
About Roblox
Roblox builds a platform for user‑generated 3D experiences, offering Roblox Studio for creators and a social marketplace where players explore and interact across devices. Its business model centers on virtual currency (Robux) and subscriptions, platform fees paid to creators, and an expanding advertising offering. Founded in 2004 and headquartered in San Mateo, California, Roblox Corporation is publicly traded on the NYSE under the ticker RBLX.