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Senior Software Engineer, UI Infrastructure

United Kingdom, Cambridge · Job Posted February 21, 2026
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Job Description

Contributing extensively to our embedded UI framework development; working closely with system architects to develop new features or extend current features to improve system stability and performance; engaged in developing tools which can help the larger development community within Roku

Job Responsibility

  • Building and maintaining tooling to improve the quality and consistency of data collected from Roku OS logging
  • Developing and evolving offline pipelines that process logs to support initiatives like pre-merge validation in Firmware CI and automated data contract generation
  • Writing and reviewing C++ changes in embedded codebases to ensure logging is accurate, reliable, and usable downstream
  • Creating Python-based tooling and automation (non-embedded) to extract, analyze, and validate log usage across large codebases
  • Partnering with engineers across UI infrastructure, firmware, and CI to integrate tooling into developer workflows and keep it production-ready
  • Troubleshooting issues across tooling, pipelines, and source instrumentation, balancing correctness, maintainability, and scalability

Requirements

  • 5+ years of relevant software development experience
  • Proficiency in modern C++ with the ability to read, debug, and extend embedded/firmware codebases
  • Strong Python experience for building developer tooling, automation, and offline data-processing workflows (e.g., log analysis and data quality improvements)
  • Experience building or improving CI pipelines (including validation and quality gates) to support reliable releases
  • Familiarity with logging/telemetry concepts and an interest in improving data quality from code to downstream consumers
  • Working knowledge of core systems concepts (memory, threading/concurrency, and debugging) and the ability to apply them when investigating issues
  • Experience designing pragmatic internal tools or APIs, with an understanding of trade-offs and maintainability
  • Strong communication skills and a collaborative mindset, as this role partners closely with engineers across UI infrastructure and adjacent teams

What we offer

  • global access to mental health and financial wellness support and resources
  • local benefits may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension)
  • vacation and other personal time off

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