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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Development Engineer - **Company:** Expedia - **Location:** San Jose, United States (Remote available) - **Experience:** Expert - **Salary:** $199,000.0 - $278,000.0 - **Skills:** Java, Kotlin, Spring Boot, GraphQL, gRPC - **Published:** September 16, 2026 - **Apply:** https://expedia.wd108.myworkdayjobs.com/en-US/search/job/Senior-Software-Development-Engineer_R-101964-1?source=WeAreDevelopers ## About the Role **Minimum Qualifications:**   - Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience.  - 8+ years of relevant professional experience.  - Proven experience owning services or components through the full software development lifecycle, including design, implementation, deployment, and on-call or operational support.  - Proficiency in at least one modern programming language and associated frameworks, with strong understanding of system design, API design, and data modeling concepts.  - Expert proficiency in Java, Kotlin, GraphQL, grpc, Spring boot  - Strong experience building distributed systems, RESTful APIs, and microservices.  - Experience with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Docker, Kubernetes).  - Familiarity with CI/CD pipelines, infrastructure code, and DevOps practices.  - Experience working on systems that integrate with multiple services or domains, ensuring reliability, scalability, and effective observability.  **Preferred Qualifications:**   - Experience designing and evolving service or multi-service architectures at scale, including patterns for resiliency, fault tolerance, and performance optimization.  - Track record of leading technical design efforts, influencing architectural decisions, and driving improvements to engineering practices and operational excellence within a team or domain.  - Hands-on experience with data-driven decision making, including defining metrics, using logging/monitoring/analytics to guide iterations, and improving system health and user outcomes.  - Familiarity with AI-driven systems, tools, or workflows, with experience safely integrating and operating AI/ML‑enabled solutions that enhance product capabilities or developer productivity, including Safely integrating and operating AI/ML‑enabled solutions that improve outcomes.  - Demonstrated depth in one or more technical domains (such as distributed systems, data-intensive services, or full stack web applications) while remaining adaptable to work across multiple domains as business needs evolve.  ## Description Expedia 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.     The Senior Software Engineer role sits within the Universal Messaging Platform (UMP) team—Expedia Group’s core communications platform. UMP powers high‑scale, reliable delivery across Email, SMS, Push, Inbox, and emerging channels, enabling timely, trusted engagement with millions of travelers worldwide.  As a Senior Software Engineer on the Inbox Experience team, you will lead the architecture, development, and operation of mission‑critical systems that elevate traveler experience, strengthen loyalty, and drive business growth at global scale.  **In this role, you will:**   - Design, build, and evolve scalable, reliable services and components, including system design, low-level design, API design, and data modeling to support high-traffic, customer-facing and platform experiences.  - Write, review, and maintain high-quality, well-tested code, driving engineering best practices in code quality, security, observability, and performance across the team.  - Take end-to-end ownership of complex features or services, from technical design through implementation, deployment, monitoring, and iterative improvement in production.  - Collaborate closely with product, design, and cross-functional engineering teams to break down ambiguous business problems into clear technical solutions that can be reused across multiple domains.  - Safely integrate and operate AI/ML‑enabled solutions that improve outcomes, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.  - Contribute to technical direction by participating in design reviews, proposing improvements to architecture and operational processes, and mentoring other engineers to raise the overall technical bar.  ## About Expedia At Expedia Group, we connect travelers, partners, and advertisers in a single marketplace, using technology to make travel more predictive, personalized, and seamless. Through our consumer brands and B2B businesses, we help millions of travelers in more than 70 countries discover, book, and explore the world — while creating new opportunities for partners to grow.  Together with our employees and partners, we’re helping travelers explore the world. 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