Staff ML Engineer — Real-Time Ad Platform & Optimization

Roku; Boston (MA); Hybrid; USD 196,000 - 435,000; Full time

Job summary

Roku is seeking a staff-level machine learning engineer to lead marketplace intelligence and demand optimization for the Ad Serving platform in Massachusetts. You will develop ML models, run live experiments, and guide cross-functional teams to improve pricing and allocation in a high-scale ad marketplace.

The role offers a competitive compensation package with health insurance, equity awards, and generous time off, reflecting Roku's focus on impact, collaboration, and growth within a

Qualifications

• 10+ years of industry experience applying machine learning and data science to solve complex, mission-critical real-world problems.
• Deep expertise in statistics, machine learning, and optimization techniques.
• Hands-on experience building and deploying ML models in production, including feature engineering, model serving, monitoring, and continuous improvement
• Solid software engineering skills in languages such as Python, SQL, and Java/Scala
• Strong CS fundamentals with the ability to translate ideas into clean, efficient code with ease
• Excellent written and verbal communication and collaboration skills
• Proven track record of leading cross-functional teams and initiatives
• Publications in leading peer-reviewed conferences or academic journals are a plus
• Expertise in advertising is a plus

Responsibilities

• Translate ambiguous business problems into clear hypotheses, measurable objectives, and actionable strategies
• Develop advanced ML models and research-driven methodologies to drive product innovation and improve business outcomes
• Design and run live experiments to prototype improvements and validate their effectiveness
• Build production-grade ML systems that operate reliably in large-scale, low-latency ad serving environments
• Partner with cross-functional stakeholders to define, plan, and drive the ML strategy for Ad Serving
• Provide technical leadership and mentorship in machine learning, experimentation frameworks, and applied research best practices<br/>

Skills

Machine learning

Statistics

Optimization

Cross-functional leadership

Experimentation

Communication skills

Tools

Python

SQL

Java/Scala

Job description

Roku is seeking a staff-level machine learning engineer to lead marketplace intelligence and demand optimization for the Ad Serving platform in Massachusetts. You will develop ML models, run live experiments, and guide cross-functional teams to improve pricing and allocation in a high-scale ad marketplace.

The role offers a competitive compensation package with health insurance, equity awards, and generous time off, reflecting Roku's focus on impact, collaboration, and growth within a