Roblox is a platform where millions of users explore, create, and connect through immersive 3D experiences. The company is seeking a Senior Machine Learning Engineer to contribute to the AI Platform team, focusing on building systems that support a variety of machine learning use cases.
Responsibilities
- Pioneer next-generation AI tooling to enhance the efficiency, cost, and usability of ML@Roblox
- Build and maintain core platform components: Serving Layer, Model Registry, Pipeline Orchestrator, and Training/Inference control planes
- Design great developer experiences (paved-road templates, tooling, visualizations) to reduce time-to-production and ensure foundational AI systems are scalable and reliable
Skills
- Possessing or pursuing a Ph.D. in Computer Science, Computer Engineering, Mathematics, Statistics, or a related technical field, with a thesis aligned to Roblox's research areas
- Experience with high performance distributed systems, ML Infrastructure, LLM fine tuning/RL, Information Retrieval and Gen AI context generation
- Expertise in one or more of the following key areas: AI/ML Platform Data stores - Features stores, Vector DBs and Knowledge Graphs
- Expertise in LLMs - Fine tuning, Safety
- Expertise in Agentic systems - Agent evaluation, context engineering
- Experience building agentic applications with context for real world applications
- Collaborative mindset and experience integrating and deploying optimized models with cross-functional teams, including data scientists and software engineers
- Experience with graph databases and large-scale GNNs (Graph Neural Networks)
- Experience working with Kubernetes
- Experience working with one or more cloud providers (e.g., AWS, Azure, GCP)
- Experience working with high availability systems
- Experience working with ML models, LLMs or other AI systems
Benefits
- All full-time employees are also eligible for equity compensation
- Benefits as described on **[this page](https://careers.roblox.com/total-rewards)**
- Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted).
Company Overview
Roblox is an online gaming and entertainment platform that offers a shared digital experience that brings people together through play. It was founded in 2004, and is headquartered in San Mateo, California, USA, with a workforce of 1001-5000 employees. Its website is https://corp.roblox.com.