Principal Software Development Engineer - Observability

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.

Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy. Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere.

Principal Software Engineer, Observability

Introduction to the Team:

Our Technology Team partners with teams across Expedia Group to create innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction.    

As a Principal Engineer, you will be part of an agile development team with deep expertise in cloud, distributed systems, and observability. You will play a pivotal role in crafting the strategic technical goals for our group. The main effort will involve leading the architecture, design, and implementation of a centralized, scalable, and cost-effective observability platform used by all engineering teams across Expedia. 

You will provide technical leadership for a dynamic engineering organization and work alongside talented product managers and other technical leaders to deliver best-in-class capabilities to our developer community. 

In this role, you will:

• Architect and Build Core Telemetry Pipelines : Lead the design and implementation of highly scalable and resilient telemetry pipelines for logs, metrics, and traces. Evolve our platform to handle a 10x increase in data volume while maintaining performance and cost-effectiveness

• Drive OpenTelemetry Adoption : Spearhead the strategy, rollout, and support for the OpenTelemetry collector across thousands of services. Develop best practices and automated configurations to ensure seamless and consistent data collection

• Implement Platform Governance and Optimization : Design and build capabilities for data governance, cost allocation, and resource management within the observability platform. Define and implement SLOs for the platform itself and create tools to help teams manage their observability costs

• Elevate the Practice of Observability : Act as a thought leader, driving the adoption of observability best practices across the engineering organization. Improve the developer experience by unifying tooling (e.g., Grafana, Datadog, Splunk), documentation, and service lifecycle management within our internal developer portal

• Automate Infrastructure Lifecycle : Author and maintain production-grade Infrastructure as Code (IaC) using tools like Terraform and/or Crossplane. Eliminate manual toil by automating cluster provisioning, dependency upgrades, and incident remediation workflows

• Technical Leadership and Mentorship : Act as a force multiplier. Mentor senior engineers on the team, lead architecture review sessions, and author RFCs to build consensus on significant technical decisions. Your influence will extend beyond the team to application developers and SREs

• Production Debugging : Serve as the final escalation point for complex, cross-cutting production incidents related to the observability platform, from telemetry agent bugs to data correlation failures in our distributed systems

• Collaborate and Innovate : Explore and utilize a wide variety of technologies and tools, such as (but not limited to) Go, Java, Python, AWS, Kubernetes, OpenTelemetry, Prometheus, Grafana, Datadog, and Splunk, Clickhouse

Minimum Qualifications:

• Bachelor’s or Master’s degree in Computer Science or a related technical field, or equivalent practical experience

• 10+ years of experience in software engineering, with a focus on building and operating large-scale distributed systems, infrastructure automation, or configuration management

• Deep expertise in observability principles and the "three pillars": logs, metrics, and traces

• Strong hands-on proficiency with observability technologies such as Prometheus, Grafana, Datadog, Splunk, and OpenTelemetry

• Proficient in one or more of: Go, Java, Python

• Solid understanding of cloud-native architectures (Kubernetes, Docker, microservices) and major cloud platforms (AWS preferred)

Preferred Qualifications:

• Experience designing, building, and operating highly available, scalable, and resilient platforms

• Excellent hands-on coder who understands and appreciates bigger-picture architectural and business concerns

• Clear communicator with the ability to concisely explain complex technical details to a wide variety of audiences in both verbal and written form

• A creative problem solver who uses data and insights to support recommendations and influence decisions

• Experience mentoring other senior engineers and establishing standards for operational excellence and code quality at a multi-project level 

The total cash range for this position in San Jose is $249,000.00 to $348,500.00. Employees in this role have the potential to increase their pay up to $398,500.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role. The total cash range for this position in Seattle is $231,000.00 to $323,500.00. Employees in this role have the potential to increase their pay up to $369,500.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.

Starting pay for this role will vary based on multiple factors, including location, available budget, and an individual’s knowledge, skills, and experience. Pay ranges may be modified in the future.

Benefits and perks

Expedia Group offers benefits and perks designed to support employees and their families, including medical, dental, and vision coverage, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and International Airlines Travel Agent Network (IATAN) membership. Learn more about life at Expedia Group at .

Accommodation requests

Expedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at .

About Expedia Group

Expedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease.

Important notice

Employment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is .

Equal Opportunity

Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other characteristic protected by law. This employer participates in E-Verify. The employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.