Senior/Principal Platform Engineer

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Senior/Principal Platform Engineer in USA new

Roblox
Full time
Email

USA
09/16/2026
Report

San Mateo, CA

Responsibilities

Own ML Platform as a product by defining requirements, writing RFDs, and shipping APIs, SDKs, CLIs, and UIs.
Build and maintain the serving layer, model registry, pipeline orchestrator, and training and inference control planes.
Set technical strategy and oversee scalable, reliable infrastructure with clear latency, availability, and cost objectives.
Create paved-road templates, golden paths, opinionated defaults, and documentation to improve developer experience and time to production.
Measure platform adoption, friction, reliability, and cost to prioritize the roadmap and validate outcomes.
Partner with ML Engineering, Data Science, Infrastructure/SRE, Security, and Finance on performance, safety, and GPU-intensive workload costs.
Develop tooling across the ML lifecycle and mentor engineers, lead design reviews, and drive cross-team architectural decisions.

Requirements

7+ years of professional experience and extensive system design experience building scalable, reliable platforms.
Strong hands-on software engineering ability with experience shipping platform products and incorporating user feedback.
Proficiency in API design and developer experience, including gRPC/REST APIs, SDKs, CLIs, and simple UIs.
Experience with infrastructure-as-code and automation.
Bachelor’s degree in Computer Science, Computer Engineering, Data Science, or a similar technical field.
Experience with the end-to-end ML model lifecycle, including model serving, training, model CI/CD, and GPU resource management, is preferred.

Benefits

Full-time employees are eligible for equity compensation and company benefits.
Office-based roles are onsite Tuesday, Wednesday, and Thursday, with optional presence Monday and Friday.

Salary: $260k - $345k/yr

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 ...

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