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Roku Logo Roku · IT - Software Development

Senior Software Engineer, Ad Serving

United States, New York 195000.00 - 408000.00 USD / Year · Job Posted March 26, 2026
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Job Description

Roku is hiring a Senior Software Engineer for the Advertising Platform to build a highly scalable and highly available real-time advertising platform crucial for supporting and growing Roku's advertising business. The role involves working on a best-in-class advertising platform to support Roku's exploding ad business, with platforms that are highly performant, deployed at scale, and set new standards for enabling effective advertising while protecting user privacy.

Job Responsibility

  • Work alongside a highly skilled engineering team to design, develop, and maintain large-scale, highly performing, real-time applications
  • Own building features, driving directly with the product, and other engineering teams
  • Demonstrate excellent communication skills in working with technical and non-technical audiences
  • Be an evangelist for best practices across all functions – developers, QA, and infrastructure/ops
  • Be an evangelist for platform innovation and reuse
  • Deliver top-quality software in a timely fashion

Requirements

  • 10+ years of experience building large-scale and low-latency distributed systems
  • Command of Java or C++
  • Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming
  • B.S. or M.S. degree in Computer Science, Engineering, or equivalent
  • Self-motivated individual with a high level of accountability and ownership
  • Critical thinking and practical decision-making
  • Can do, results-oriented mindset
  • Nonpolitical, collaborative, and team-oriented
  • Desire to win in a highly competitive industry
  • AI literacy and curiosity. You have either 1) tried Gen AI in your previous work or outside of work or 2) are curious about Gen AI and have explored it

Nice to have

  • Experience with distributed caching, SQL/NoSQL, and other databases is a plus
  • Experience with Big Data and cloud services such as AWS/GCP is a plus
  • Experience in the advertising domain is a big plus

What we offer

  • Health insurance
  • Equity awards
  • Life insurance
  • Disability benefits
  • Parental leave
  • Wellness benefits
  • Paid time off
  • Global access to mental health and financial wellness support and resources
  • Commuter benefits
  • Retirement options (401(k)/pension)
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  • 10+ years of experience building large-scale and low-latency distributed systems
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  • Work alongside a highly skilled engineering team to design, develop, and maintain large-scale, highly performing, real-time applications
  • Own building features, driving directly with the product, and other engineering teams
  • Demonstrate excellent communication skills in working with technical and non-technical audiences
  • Be an evangelist for best practices across all functions – developers, QA, and infrastructure/ops
  • Be an evangelist for platform innovation and reuse
  • Deliver top-quality software in a timely fashion
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  • Health insurance
  • Equity awards
  • Life insurance
  • Disability benefits
  • Parental leave
  • Wellness benefits
  • Paid time off
  • Global access to mental health and financial wellness support and resources
  • Commuter benefits
  • Retirement options (401(k)/pension)
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Senior Software Engineer, Ad Serving

Roku is hiring a Senior Software Engineer for the Advertising Platform to build ...
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  • 10+ years of experience building large-scale and low-latency distributed systems
  • Command of Java or C++
  • Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming
  • B.S. or M.S. degree in Computer Science, Engineering, or equivalent
  • Self-motivated individual with a high level of accountability and ownership
  • Critical thinking and practical decision-making
  • Can do, results-oriented mindset
  • Nonpolitical, collaborative, and team-oriented
  • Desire to win in a highly competitive industry
  • AI literacy and curiosity. You have either 1) tried Gen AI in your previous work or outside of work or 2) are curious about Gen AI and have explored it
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  • Work alongside a highly skilled engineering team to design, develop, and maintain large-scale, highly performing, real-time applications
  • Own building features, driving directly with the product, and other engineering teams
  • Demonstrate excellent communication skills in working with technical and non-technical audiences
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  • Partner closely with product managers, data science, ads research teams to translate marketplace and monetization goals into scalable technical solutions
  • Drive yield optimization through auction design, demand shaping, floor strategies, and pricing experiments
  • Lead experimentation using A/B testing, auction simulations, and offline replay frameworks, and make data-driven decisions based on performance metrics and statistical rigor
  • Ensure auction correctness, fairness, explainability, and transparency, while maintaining compliance with privacy, regulatory, and brand-safety requirements
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