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's vision is to reimagine the way people come together. Our mission is to connect a billion people with optimism and civility. What is Roblox? Roblox is a platform where people come together virtually to share experiences. Every day, tens of millions of people from around the world come to Roblox to learn, work, play, connect, communicate, and socialize in immersive digital experiences all built by a global community of creators. Powered by Creators Roblox is powered by a global community of millions of developers and creators who produce their own immersive multiplayer experiences each month using Roblox Studio, our intuitive desktop design tool. Any experience imaginable can be created on Roblox. How Popular? Roblox is ranked as one of the top entertainment platforms for audiences under the age of 18 based on average monthly visits and time spent (Comscore). Our popularity is driven purely by the community with millions of people signing up through word of mouth every month.