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FLEX Senior Software Engineer- Performance Engineering

https://www.marriott.com Logo

Marriott Bonvoy

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Location:
United States , Bethesda

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Contract Type:
Employment contract

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Salary:

48.26 - 87.16 USD / Hour
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Job Description:

The GraphQL Performance Engineering team at Marriott is dedicated to improving the digital experience for millions of guests worldwide while also enhancing the engineering experience for teams across Marriott. We achieve this by challenging the status quo and driving innovative approaches to deliver fast, reliable, and scalable digital solutions. We are seeking a highly engaged and motivated Performance Engineer who is passionate about optimizing system performance, continuously improving their skills, and learning emerging technologies. The ideal candidate will have a strong hands-on background in performance engineering, test automation, and system optimization, along with exceptional communication and collaboration skills. In this role, you will: Serve as a technical performance expert within the GraphQL team, ensuring APIs are scalable, reliable, and efficient under high load. Conduct performance testing, profiling, benchmarking, and tuning of GraphQL services and their integrations with multiple channels, third party’s integrations and domain API teams. Collaborate closely with product, architecture, and engineering teams to design and implement solutions that improve end-to-end performance. Analyze production bottlenecks, scalability issues, and latency concerns, and provide actionable recommendations. Develop performance frameworks, monitoring strategies, and performance dashboards to proactively detect and prevent issues. Act as a bridge across teams, providing technical expertise, guidance, and solutions to performance-related challenges.

Job Responsibility:

  • Serve as a technical performance expert within the GraphQL team, ensuring APIs are scalable, reliable, and efficient under high load
  • Conduct performance testing, profiling, benchmarking, and tuning of GraphQL services and their integrations with multiple channels, third party’s integrations and domain API teams
  • Collaborate closely with product, architecture, and engineering teams to design and implement solutions that improve end-to-end performance
  • Analyze production bottlenecks, scalability issues, and latency concerns, and provide actionable recommendations
  • Develop performance frameworks, monitoring strategies, and performance dashboards to proactively detect and prevent issues
  • Act as a bridge across teams, providing technical expertise, guidance, and solutions to performance-related challenges

Requirements:

  • Self-motivated and results-driven, with a passion for learning and growth
  • Strong verbal and written communication skills
  • Proven track record of working with scalable, high-quality web applications
  • Possess deep expertise in performance testing tools (e.g., NeoLoad, JMeter, Locust) and monitoring/observability platforms (e.g., Dynatrace, New Relic, Prometheus/Grafana)
  • Strong skills in profiling, debugging, and tuning JVM- and Node.js-based services
  • Experience with cloud platforms (AWS/Azure/GCP) and containerized environments (Docker, Kubernetes)
  • Familiarity with CI/CD pipelines and integrating performance testing into DevOps workflows
  • Strong SQL and NoSQL database performance analysis (Redis, Postgres, MySQL, MongoDB, DynamoDB, etc.)
  • Programming/scripting proficiency in Java, Node.js, Python, or Go for performance automation
  • AWS Solutions Architect or Developer certification
  • Demonstrate strong analytical skills to identify root causes and performance trends
  • Communicate effectively with both technical and non-technical stakeholders
  • Thrive in a collaborative environment while driving performance best practices across the organization
  • 8+ years’ working with large scale API projects

Nice to have:

  • Experience with Chaos Engineering / Resilience testing
  • Knowledge of GraphQL federation, caching strategies, and distributed systems performance
  • Familiarity with APM tools and advanced logging/traceability frameworks (OpenTelemetry, Jaeger, Zipkin)
What we offer:
  • 401(k) plan
  • stock purchase plan
  • discounts at Marriott properties
  • commuter benefits
  • employee assistance plan
  • childcare discounts
  • medical
  • dental
  • vision
  • health care flexible spending account
  • dependent care flexible spending account
  • life insurance
  • disability insurance
  • accident insurance
  • adoption expense reimbursements
  • paid parental leave

Additional Information:

Job Posted:
May 03, 2026

Expiration:
May 05, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
Job Link Share:

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