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Software Engineer, Machine Learning

Remote · Sri Lanka Full-time

Roku is the #1 TV streaming platform in the U.S., and they are seeking a creative and passionate Machine Learning Engineer to join their TV team. The role involves exploring and implementing AI-driven improvements in Picture and Audio Quality while applying advanced ML techniques to enhance streaming experiences for millions of users worldwide.

Responsibilities

  • Explore and implement AI-driven Picture Quality and Audio Quality improvements for Roku TV
  • Apply advanced ML techniques in the optimization of models to enhance video and audio processing pipelines
  • Research, understand, and implement technical papers on ML/DL to solve complex challenges
  • Collaborate with engineering teams and cross-functional partners to translate business requirements into technical solutions
  • Run experiments and analyze results against critical business KPIs

Skills

  • 1+ years of experience applying Machine Learning to concrete problems at scale
  • Strong CS fundamentals; ability to write efficient algorithms with ease
  • Hands-on experience with Machine Learning / Deep Learning frameworks like TensorFlow or PyTorch
  • Proficiency in coding firmware development using C++
  • Proficiency in coding ML/DL algorithms using Python
  • Solid understanding of DL fundamentals, including RNN, CNN, and multi-modal models
  • Familiarity with video processing pipelines and audio pipelines
  • AI literacy and curiosity—whether through previous work or personal exploration
  • Excellent communication skills, strong work ethic, and works with minimum supervision
  • Have hands-on experience with edge devices like jetson nano, kadas, and similar
  • Research background preferred; ability to understand and implement technical papers on ML/DL
  • Published papers in the field of ML/DL are a bonus
  • Hold an MS or PhD in Computer Science, Electrical Engineering, or related fields - Preferred

Benefits

  • 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
  • Healthcare (medical, dental, and vision)
  • Accident benefits
  • Commuter benefits
  • Retirement options (401(k)/pension)
  • Employees are supported in taking time off, in accordance with local leave policies and other personal needs to support their evolving work and life needs

Company Overview

  • Roku develops video streaming devices that provide users access to Internet-streamed video or audio services. It was founded in 2002, and is headquartered in Los Gatos, California, USA, with a workforce of 1001-5000 employees. Its website is https://www.roku.com.
  • Company H1B Sponsorship

  • Roku has a track record of offering H1B sponsorships, with 6 in 2026, 120 in 2025, 166 in 2024, 81 in 2023, 279 in 2022, 195 in 2021, 107 in 2020. Please note that this does not guarantee sponsorship for this specific role.
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