Senior Machine Learning Engineer

Roku • Master's Degree • Python • Java • Kotlin • Scala • 5 days ago

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Salary

$230k – $360k per year

Location

Hybrid (New York, United States)

Seniority

Senior · 5+ years exp

Visa

H-1B filings in 12 months: 63 · for this role: 43 · green card filings: 7

Employment

Full-Time

Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Aug 23, 2026. Roku scores A on the Alion truth index.

Overview

Company

Impact

Profile match

Roku

Roku is an American streaming platform company headquartered in San Jose, California, that makes the Roku operating system, streaming players and Roku-branded TVs and sells advertising across its free and paid channels. Founded in 2002 and listed on Nasdaq, it licenses its software to TV manufacturers, runs The Roku Channel and has engineering and business offices in Austin, Boston, New York, Santa Monica, Cambridge, Manchester and London. Its openings focus on software, machine learning and data engineering, data science, ad technology and search, alongside account executives, finance analysts and legal counsel.

roku.com • HQ: San Jose, United States • Televisions • Streaming & OTT Platforms • 501-1000 employees • Est. 2002

Tech stack of Roku

Backed by Menlo Ventures

Join our team as a Senior Machine Learning Engineer, where you will design, build, and maintain scalable platform services that serve millions of transactions per second. You will run and monitor online AB tests, collaborate with cross-functional teams, enhance the ML platform ecosystem, and contribute to onboarding and mentoring new team members. Enjoy a range of benefits including medical, wellness, and financial benefits, unlimited paid time off, and work from home opportunities.

Missions

Design, build, and maintain scalable platform services that serve millions of transactions per second.
Run and monitor online AB tests, analyzing platform metrics and business KPIs to optimize recommendation system performance.
Collaborate closely with engineering and cross-functional teams to translate business requirements into modular platform components and APIs.

Profil recherché

- MS in Computer Science or related field

- 5+ years of experience building software solutions to concrete problems

- AI literacy and curiosity. You have either tried Gen AI in your previous work or outside of work, or are curious about Gen AI and have explored it

- We’d love to see that you’ve worked with big data systems (Spark, Kafka, Flink, S3, AirFlow)

- Strong CS fundamentals. Should be able to write an algorithm with ease

- You are fluent with one of the high-level programming languages like Java, Scala, Kotlin, or Python

- Familiar with model ML frameworks and tools: Ray, PyTorch, HuggingFace, AWS Sagemaker

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