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Senior Software Engineer (Backend/Product focus, AIaaS)

Roblox - San Mateo, CA, United States - Hybrid - posted 2026-09-25

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Salary: USD 243,290 - 295,250 / annual

Roblox is seeking a Senior Software Engineer to join the AIaaS (AI-as-a-Service) team, responsible for building production systems that enable safe and reliable deployment of cutting-edge 3D and 4D generative AI models. You will design, implement, and scale robust, high-performance product infrastructure to orchestrate complex workflows for producing high-fidelity 3D and 4D textured meshes. Key responsibilities include: - Design, build, and own critical components of product infrastructure supporting generative AI efforts, with focus on usability, reliability, scalability, and performance - Develop intuitive, developer-facing APIs for democratizing 3D creation - Build seamless integrations with subsystems such as Pricing, Orchestration, and Safety with strong observability - Implement robust pipelines for collecting datasets and evaluating multimodal AI systems for safety and compliance - Collaborate closely with Product Managers and partner teams across Roblox Engine and Infrastructure to ship reliable products - Drive improvements in product and backend infrastructure architecture, engineering best practices, and operational excellence - Ensure data quality and governance through automated checks and monitoring This role operates in a dynamic, fast-paced environment where you'll help shape the future of human interaction and solve unique technical challenges at scale. You'll work on-site Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday. Requirements: - Minimum 5+ years of professional software engineering experience with demonstrated system design expertise - Experience architecting, designing, and developing a wide array of software products - Proven ability to build complex, high-scale distributed systems from the ground up - Passion for generative AI, particularly in creative domains like 3D/4D content - Proficiency writing clean, efficient, well-tested code in Python, C#, or Go - Experience with cloud data platforms and distributed processing technologies (e.g., Kubeflow, Temporal, S3) - Strong collaboration skills and experience working with cross-functional teams including product managers, researchers, and ML engineers - Bachelor's degree or higher in Computer Science, Computer Engineering, Data Science, or similar technical field

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