Software Development Engineer III

Expedia Group brands power global travel for everyone, everywhere. We design cutting‑edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success.

To shape the future of travel, people must come first. Guided by our Values and Leadership Agreements, we foster an open culture where everyone belongs, differences are celebrated and know that when one of us wins, we all win.

We provide a full benefits package, including exciting travel perks, generous time‑off, parental leave, a flexible work model (with some pretty cool offices), and career development resources, all to fuel our employees' passion for travel and ensure a rewarding career journey. We’re building a more open world. Join us.

Expedia Platform Technology teams partner with our Product teams 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.

Our team in EG is responsible for building a core platform that includes life cycle management of account, access and clusters; standardize governance by configuring network, security, observability, data and AI through core platform to make the infrastructure available for several hundred production services in EG.

We are hiring a hands‑on Software Development Engineer to lead the design, implementation and operational excellence of our cloud infrastructure and platform capabilities. This role emphasizes platform engineering: designing and delivering a scalable, reliable, secure, observable, and cost‑efficient runtime platform (Kubernetes, containers, CI/CD, IaC, cloud services) used by multiple product teams. You will be embedded in the code and infrastructure to execute the roadmap end‑to‑end.

You will shape the foundational platform that powers customer‑facing services across brands, increasing developer velocity, reducing operational risk, and optimizing cloud spend.

• Design and build scalable features and services for our platform architecture.
• Write high‑quality, maintainable code with strong test coverage.
• Monitor and support production systems, resolving issues quickly.
• Drive technical improvements in software performance, and tooling.

• 5+ 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, Route 53, Cloud Trail, Cloud Watch, Cost Explorer).
• Deep hands‑on experience with containerization and Kubernetes at scale (EKS or comparable).
• Practical experience with infrastructure as code (Terraform, Cloud Formation) and Helm charts.
• Proven record of contributing production code and platform automation (languages such as Go, Python, Java, or similar).
• Experience building applications with resilience, observability, security and operational automation.
• Familiarity with CI/CD tooling and developer workflows (Spinnaker, Jenkins, Git Hub Actions, Git Lab CI, or similar).
• Demonstrated ability to work in cross‑functional technical initiatives and architecture.
• Strong communication skills and experience mentoring engineers.

• Prior platform infrastructure building experience.
• 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 with monitoring/observability stacks (Prometheus, Grafana, Datadog, Open Telemetry, Jaeger).
• Proven experience with AWS cost optimization strategies and tooling (Cost Explorer, Trusted Advisor, billing APIs).

The total cash range for this position in San Jose is $ to $. Employees in this role have the potential to increase their pay up to $, which is the top…