Base Salary
$392k - $449k/yr
Responsibilities
- Set the technical direction for ML systems supporting personalization, ranking, generative modeling, and other economy experiences.
- Build and evolve infrastructure for training, serving, and evaluating traditional ML and Generative AI models.
- Partner with GenAI teams on multimodal embeddings, avatar generation, and retrieval-augmented generation for economic surfaces.
- Optimize low-latency serving, GPU training efficiency, and cost-aware inference.
- Guide ML pipelines, online feature stores, and experimentation platforms for predictive and generative use cases.
- Align technical architecture with business priorities alongside engineering managers, technical leads, and product partners.
- Mentor senior engineers and strengthen the technical culture of the Economy ML team.
- Own foundational ML system architecture and ensure system robustness, observability, scalability, and reliability.
Requirements
- 10+ years of experience in software engineering or ML infrastructure focused on large-scale ML systems.
- Deep expertise in recommendation systems, ranking infrastructure, or real-time personalization engines.
- Hands-on experience with Generative AI, including transformer-based models, LLMs, embeddings, or RAG pipelines.
- Experience with distributed training, model deployment, and GPU-accelerated workflows.
- Strong understanding of data pipelines, feature stores, inference optimization, and experimentation tooling.
- Track record of leading large technical initiatives and mentoring senior engineers.
- BS, MS, or PhD in Computer Science, Machine Learning, or a related field.
Benefits
- Equity compensation and employee benefits are available to full-time employees.
- Office-based roles are onsite Tuesday through Thursday, with optional presence Monday and Friday.
- Reasonable accommodations are available during the recruiting process.
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.