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Ridgeline

Staff Performance Engineer

Ridgeline
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about 7 hours ago
Dublin, IrelandStaff+ / Senior
H1B Sponsor

Responsibilities

  • Analyze frontend rendering behavior and optimize application responsiveness across complex workflows.
  • Identify inefficient API usage patterns and performance bottlenecks.
  • Measure and improve real-user performance metrics across critical customer experiences.
  • Build and enhance tools for synthetic testing and client-side observability.
  • Partner with product engineering teams to improve high-impact user journeys.
  • Develop scalable approaches for performance profiling and monitoring.
  • Collaborate to establish frontend performance best practices.
  • Investigate production performance issues and drive root-cause resolution.
  • Contribute to a collaborative environment focused on learning and transparency.

Requirements

  • 5+ years of experience in frontend engineering, application engineering, or performance engineering.
  • Strong understanding of browser rendering pipelines and frontend optimization techniques.
  • Experience building applications with React or similar frameworks.
  • Familiarity with real-user monitoring and performance profiling tools.
  • Experience analyzing network behavior and client-side performance bottlenecks.
  • Strong debugging and problem-solving skills in modern web environments.
  • Ability to communicate technical findings clearly across teams.
  • Willingness to learn about cutting-edge technologies.
  • An aptitude for problem solving and effective communication.
  • Serious interest in having fun at work.

Tech Stack

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