Principal Software Development Engineer — Platform & Infrastructure

What you will do:

• Define the technical strategy, roadmap and standards for cloud infrastructure and platform capabilities (container runtime, orchestration, networking, CI/CD, observability, security, IaC)
• Lead migration and platform adoption efforts (containerization, Kubernetes/EKS, runtime platform) and drive roadmap execution end-to-end
• Be an active code and IaC contributor (Terraform/CloudFormation/Helm, platform services, automation) and perform design/code reviews
• Design scalable, resilient, and secure infrastructure patterns for microservices, data stores, caching, and messaging
• Build and improve CI/CD pipelines, release automation, testing strategies, and safe deployment practices
• Drive SRE and observability practices: define SLIs/SLOs, monitoring, tracing, alerting, runbooks, incident response, and post-mortems
• Lead capacity planning, performance tuning, and traffic engineering for high-scale workloads
• Own and evangelize AWS cost optimization practices (rightsizing, reserved/spot strategies, architecture changes, cost monitoring and show back)
• Define and enforce platform standards, security controls, environment tagging, and operational excellence practices across teams
• Mentor and grow senior and mid-level engineers; identify high-potential talent and raise engineering standards
• Collaborate closely with product, security, platform, and operations stakeholders to align technical solutions with business goals and compliance requirements
• Minimum qualifications:
• 10+ years professional software engineering experience with significant hands-on experience building and operating distributed cloud services
• Strong, demonstrable experience building and running platforms on AWS (EKS, ECS, EC2, VPC, IAM, S3, RDS, ELB/ALB, Auto Scaling)
• Deep hands-on experience with containerization and Kubernetes at scale (EKS or comparable)
• Practical experience with infrastructure as code (Terraform, CloudFormation) and Helm charts
• Proven record of contributing production code and platform automation (languages such as Go, Python, Java, or similar)
• Experience designing for resilience, observability, security and operational automation
• Familiarity with CI/CD tooling and developer workflows (Spinnaker, Jenkins, GitHub Actions, GitLab CI, or similar)
• Demonstrated ability to lead cross-team technical initiatives and influence architectural decisions
• Strong communication skills and experience mentoring engineers
• Preferred qualifications:
• Prior platform engineering, SRE, or infrastructure leadership at scale
• Experience with monitoring/observability stacks (Prometheus, Grafana, Datadog, OpenTelemetry, Jaeger)
• Proven experience with AWS cost optimization strategies and tooling (Cost Explorer, Trusted Advisor, billing APIs)
• Knowledge of service meshes (Istio, Linkerd, VPC Lattice), API gateways, and advanced networking patterns
• Experience with security/compliance for cloud environments, secrets management, and policy-as-code
• Experience migrating monoliths to cloud-native architectures
• 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 https://careers.expediagroup.com/life.
• 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 https://expedia.service-now.com/askeg?id=job_accommodation.
• 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 https://careers.expediagroup.com/jobs/.
• Equal Opportunity