ML Platform Architect — APIs, SDKs & DevEx

Roblox Corporation; San Mateo (CA); Hybrid; USD 243,000 - 313,000; Full time

Job summary

Roblox Corporation in San Mateo, California, seeks a Senior Machine Learning Platform Engineer for Foundation AI to own the ML platform as a product and deliver APIs, SDKs, CLIs, and UIs that empower internal ML teams.

You will bootstrap core platform components, set strategy for scalable and reliable infrastructure, and craft developer-friendly experiences with clear documentation and templates. Collaboration with ML, Infra, Security, and Finance is key.

Qualifications

• 7+ years of professional experience with a wealth of system design experience to build a scalable, reliable ML platform.
• Code-focused mindset; ships product and drives platform features into customers' hands.
• Proficient in API design and developer experience—GRPC/REST APIs, SDKs, CLIs, and simple UIs that developers love to use.
• Experience with end-to-end ML model lifecycle such as model serving, training, CI/CD, and GPU resource management.
• Strong emphasis on infrastructure-as-code and automating painful manual processes.
• Ability to translate ML engineers needs into clean, durable platform abstractions.
• Excellent written and verbal communication across technical levels.
• Bachelor's degree in Computer Science, Computer Engineering, Data Science, or equivalent.

Responsibilities

• Own platform as a product and set direction end-to-end: define requirements, ship APIs, SDKs, CLIs, and UIs that simplify ML adoption.
• Bootstrap and maintain core ML Platform components: Serving Layer, Model Registry, Pipeline Orchestrator, and Training/Inference control planes.
• Set technical strategy and ensure high-scale, reliable infrastructure with clear latency, availability, and cost SLOs.
• Design great developer experiences with paved-road templates and clear docs to reduce time-to-first-production.
• Instrument platform adoption and reliability metrics to guide roadmap and outcomes.
• Collaborate with ML, Infra/SRE, Security, and Finance to optimize performance and GPU-heavy workloads.
• Propose and implement new tooling to improve time-to-production for ML engineers.
• Stay current with ML/infrastructure trends to adopt leading technologies.
• Mentor engineers and drive cross-team architectural decisions.

Skills

API design

Developer experience

Platform engineering

System design

Infrastructure as code

Communication

Bachelor's degree

Education

Bachelor's degree in Computer Science/Engineering/Data Science

Tools

GRPC

REST APIs

SDKs

CLIs

UI design

Job description

Roblox Corporation in San Mateo, California, seeks a Senior Machine Learning Platform Engineer for Foundation AI to own the ML platform as a product and deliver APIs, SDKs, CLIs, and UIs that empower internal ML teams.

You will bootstrap core platform components, set strategy for scalable and reliable infrastructure, and craft developer-friendly experiences with clear documentation and templates. Collaboration with ML, Infra, Security, and Finance is key.