Senior ML Architect, Search & Discovery

Roblox; San Mateo (CA); On-site; USD 419,000 - 458,000; Full time

Benefits offered by this job

Equity compensation

Job summary

Roblox is seeking a Distinguished Engineer/Technical Director for Discovery in San Mateo, CA to own the technical vision of machine learning across search and discovery. You will guide candidate generation, ranking, and AI workflows, while shaping infrastructure for training and serving at scale.

You will partner with modelers, data and AI infra engineers, and product teams to push the boundaries of large-scale training and serving, mentoring engineers and advancing Roblox’s technical excellence.

Qualifications

• 10+ years of experience delivering and improving large-scale search and recommendation systems.
• Experience crafting and building large-scale ML models with billions of parameters and launching them into production.
• Ability to break down long-term product requirements into iterative deliverables.
• Initiated and facilitated challenging technical decisions across multiple teams and organizations.
• Deep technical expertise focused on user needs for Roblox users and internal engineers.
• Generalist approach with mastery of several languages and technologies.
• Ability to tackle data or ML problems hands-on when needed.
• BS in Computer Science or a related discipline; MS/PhD is a plus.

Responsibilities

• Own the technical direction and implementation for ML solutions powering search and recommendations.
• Author specs for new features and improvements; set AI strategy and drive business outcomes.
• Build and evolve infrastructure for training, serving, and evaluating ML models, including Generative AI.
• Co-design models and systems with modelers, data engineers, and product teams to push large-scale training and serving.
• Lead engineers by example and establish an engineering culture of excellence.

Education

BS in Computer Science

MS/PhD (a definite plus)

Job description

Roblox is seeking a Distinguished Engineer/Technical Director for Discovery in San Mateo, CA to own the technical vision of machine learning across search and discovery. You will guide candidate generation, ranking, and AI workflows, while shaping infrastructure for training and serving at scale.

You will partner with modelers, data and AI infra engineers, and product teams to push the boundaries of large-scale training and serving, mentoring engineers and advancing Roblox’s technical excellence.