Principal Software Development Engineer – Platform & Infrastructure

Expedia Group

Principal engineer building scalable AWS, Kubernetes, and CI/CD platforms for Expedia Group’s global travel technology. Leading infrastructure strategy, reliability, security, and cloud cost optimization.

Posted 9/10/2026full-timeSeattle • California, Washington • 🇺🇸 United StatesLead💰 $231,000 - $398,500 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in defining technical strategies and roadmaps for cloud infrastructure, with a strong focus on AWS services, containerization, and infrastructure as code. Proven ability to lead cross-team initiatives, mentor engineers, and implement best practices for operational excellence and security.

Highest-signal resume keywords

AWS Platform EngineeringKubernetes ContainerizationInfrastructure As Code (Terraform, CloudFormation)CI/CD Pipeline DevelopmentSite Reliability Engineering (SRE)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Cloud Infrastructure DesignProduction Coding (Go, Python, Java)Monitoring and Observability (Prometheus, Grafana)Capacity Planning and Performance TuningSecurity and Compliance Practices

Soft Skills

Strong Communication SkillsMentoring and Leadership

Tools & Technologies

Kubernetes/EKSTerraformCloudFormationHelmSpinnaker

Industry Keywords

Cloud SecurityOperational ExcellenceMicroservices ArchitectureCost Optimization StrategiesAPI Gateways

Tech Stack

Tools & technologies

AWSCloudEC2GoGrafanaJavaJenkinsKubernetesMicroservicesPrometheusPythonSpinnakerTerraform

About the role

Key responsibilities & impact

Define the technical strategy, roadmap, and standards for cloud infrastructure and platform capabilities
Lead migration and platform adoption efforts, including containerization and Kubernetes/EKS
Contribute production code and infrastructure as code using Terraform, CloudFormation, Helm, platform services, and automation
Perform design and 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, including 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 promote AWS cost optimization practices
Define and enforce platform standards, security controls, environment tagging, and operational excellence practices
Mentor and grow senior and mid-level engineers
Collaborate with product, security, platform, and operations stakeholders to align solutions with business and compliance requirements

Requirements

What you’ll need

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, including EKS, ECS, EC2, VPC, IAM, S3, RDS, ELB/ALB, and Auto Scaling
Deep hands-on experience with containerization and Kubernetes at scale
Practical experience with Terraform, CloudFormation, and Helm charts
Production coding and platform automation experience using Go, Python, Java, or similar
Experience designing for resilience, observability, security, and operational automation
Familiarity with Spinnaker, Jenkins, GitHub Actions, GitLab CI, or similar CI/CD tooling
Ability to lead cross-team technical initiatives and influence architectural decisions
Strong communication skills and experience mentoring engineers
Preferred: platform engineering, SRE, or infrastructure leadership at scale
Preferred: Prometheus, Grafana, Datadog, OpenTelemetry, or Jaeger
Preferred: AWS cost optimization strategies and tooling
Preferred: service meshes, API gateways, and advanced networking patterns
Preferred: cloud security/compliance, secrets management, and policy-as-code
Preferred: experience migrating monoliths to cloud-native architectures

Benefits

Comp & perks

Medical, dental, and vision coverage
Paid time off
Employee Assistance Program
Wellness reimbursement
Travel reimbursement
Travel discounts
International Airlines Travel Agent Network (IATAN) membership