✦ Luna Orbit — Software Engineering

FLEX Principal Engineer - Web Performance

at Marriott International

📍 Bethesda, MD, United States Hybrid Posted March 17, 2026
Type Not Specified
Experience lead
Exp. Years 10+ years
Education Not specified
Category Software Engineering

This role focuses on improving the speed, reliability, and stability of Marriott's web experiences through performance analysis, observability, and internal tooling. The engineer will establish performance standards and proactively identify regressions across digital platforms.

  • Identify performance regressions
  • Analyze performance data
  • Design automated alerts
  • Contribute to performance standards
  • Support internal performance tools

The technical environment includes Next.js, PostgreSQL, performance monitoring tools like RUM and synthetic monitoring, and telemetry systems. The role emphasizes performance engineering and proactive diagnostics.

The ideal candidate is a lead web performance engineer with over 10 years of experience in performance monitoring, observability, and web optimization. They are proficient with Next.js, PostgreSQL, and performance analysis tools, capable of proactively identifying regressions and driving performance standards.

10+ years experience in web performance engineeringExperience with performance monitoring toolsKnowledge of observability platformsExperience with Next.js and PostgreSQLAbility to identify regressions and trendsDesign and implement automated alertsData analysis skillsPerformance reporting
Experience with internal performance toolsData modeling in PostgreSQLUser experience designPerformance standards development
Next.jsPostgreSQLRUMSynthetic monitoringApplication telemetry
Web PerformancePerformance MonitoringObservabilityNext.jsPostgreSQLperformance analysisregression detectionAPIsdata visualizationperformance standardsmonitoring platformssynthetic monitoringtelemetry
Web PerformancePerformance MonitoringObservabilityNext.jsPostgreSQLPerformance analysisRegression detectionAPIsData visualizationPerformance standardsMonitoring platformsSynthetic monitoringTelemetry
Technical leadershipCollaborationProblem-solvingInfluenceCommunicationProactive identification
Industry SaaS / Digital Experience
Job Function Enhancing web performance and stability across Marriott's digital ecosystem
Role Subtype Performance Engineer
Tech Domains Next.js, PostgreSQL
Web PerformancePerformance MonitoringObservabilityNext.jsPostgreSQLPerformance analysisRegression detectionAPIsData visualizationPerformance standardsMonitoring platformsSynthetic monitoringTelemetryPerformance engineeringPerformance reporting

Less than 10 years experience in web performance, No experience with Next.js or PostgreSQL, Lack of performance monitoring skills, No experience with observability platforms, Inability to analyze performance data

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