Senior ML Engineer — Creator Tools & Automation

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

Job summary

Roblox is seeking a Senior Machine Learning Engineer for Creator Tools & Automation in San Mateo, CA. You will own the design, build, and deployment of AI-powered tools across the Roblox ecosystem, including LLM orchestration and data pipelines.

The role requires leading AI product development, strong software architecture skills, and mentoring fellow engineers. Expect an onsite work pattern with equity and benefits described for US-based roles.

Qualifications

• 5+ years of experience shipping high-complexity software and mission-critical applications at scale.
• Experience architecting, designing, and leading implementation across a wide range of software products and systems.
• Experience building AI-powered products in production, including LLM integration, orchestration, reliability, and observability.
• Familiarity with agentic systems and multi-step execution loops, including planning, tool use, retrieval, recovery, and long-running workflows.
• Understanding of tools, skills, and evaluation frameworks for AI systems, including how to design reliable tool interfaces and measure quality through structured evals.
• Experience building data pipelines and turning large-scale behavioral and business data into signals, scores, and recommendations.
• Expertise in component-based libraries and frameworks, with a strong grasp of building performant, high-quality user experiences.
• Proficiency in C++, C#, Java, Python, or similar programming languages.
• Strong understanding of SQL and NoSQL systems at scale.
• Comfort working in ambiguity on a new team, partnering closely with product and non-engineering stakeholders to define what gets built.

Responsibilities

• Take ownership and responsibility for designing, building, testing, and deploying services within the Roblox ecosystem.
• Turn early prototypes and team-built tools into reliable, scalable, production-quality products.
• Work on a variety of unique technical challenges within complex systems.
• Be a technical bar-raiser for high code quality, architectural designs, and long-term planning.
• Develop fellow engineers on the team.

Skills

ML engineering

LLM integration

Data pipelines

Python

C++/C#/Java

SQL/NoSQL

System architecture

Mentoring

Job description

Roblox is seeking a Senior Machine Learning Engineer for Creator Tools & Automation in San Mateo, CA. You will own the design, build, and deployment of AI-powered tools across the Roblox ecosystem, including LLM orchestration and data pipelines.

The role requires leading AI product development, strong software architecture skills, and mentoring fellow engineers. Expect an onsite work pattern with equity and benefits described for US-based roles.