Senior ML Infra Engineer - Real-Time Matchmaking

Roblox Corporation; San Mateo (CA); On-site; USD 243,000 - 295,000; Full time

Job summary

Roblox Corporation in San Mateo, CA, is seeking a Senior Machine Learning Infrastructure Engineer for the Matchmaking team. You will build scalable ML infrastructure influencing tens of billions of scorings and match hundreds of millions of users to games.

You will own end-to-end ML data pipelines, real-time streaming, and low-latency services, collaborating with modelers, data engineers, and platform teams to push the boundaries of large-scale training, serving, and deployment.

Qualifications

• 5+ years building large-scale ML and data systems in production.
• 3+ years leading ML infrastructure or data engineering teams.
• Hands-on with streaming data systems (Kafka, Flink, Spark, Beam) and real-time feature pipelines.
• Experience with online/continual learning for recommender/ranking/search is a plus.
• Strong communication and collaborative problem solving.
• BS, MS, or Ph.D. in Computer Science, Engineering, or equivalent experience.

Responsibilities

• Work at the intersection of model architecture and ML infrastructure, partnering with modelers, data and AI infrastructure engineers, and product teams.
• Design and own large-scale data engineering and streaming systems powering ML, including real-time ingestion and feature computation.
• Build online and continual learning systems for adaptive models with near real-time updates and safe deployment.
• Investigate tradeoffs end-to-end, including caching, pruning, quantization, and GPU/memory efficiency.
• Own the architecture and engineering practices for scalable, reliable ML infrastructure (training, serving, feature).
• Collaborate with data scientists, ML engineers, platform teams, and product stakeholders to deploy robust ML platforms.
• Stay informed about industry trends to adopt leading technologies.

Skills

Large-scale ML systems

Data engineering

Streaming systems

Collaborative

Leadership

GPU optimization

Communication

Education

BS/MS/PhD in CS/Engineering

Tools

Kafka

Flink

Spark

Beam

Redis

Feast

Tecton

Cassandra

Job description

Roblox Corporation in San Mateo, CA, is seeking a Senior Machine Learning Infrastructure Engineer for the Matchmaking team. You will build scalable ML infrastructure influencing tens of billions of scorings and match hundreds of millions of users to games.

You will own end-to-end ML data pipelines, real-time streaming, and low-latency services, collaborating with modelers, data engineers, and platform teams to push the boundaries of large-scale training, serving, and deployment.