Senior Software Development Engineer

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.

Why Join Us?

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.

Senior Software Development Engineer

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.

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.

The total cash range for this position in San Jose is $199,000.00 to $278,500.00. Employees in this role have the potential to increase their pay up to $318,500.00, 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.

Expedia Group is proud to offer a wide range of benefits to support employees and their families, including medical/dental/vision, paid time off, and an Employee Assistance Program. To fuel each employee’s passion for travel, we offer a wellness & travel reimbursement, travel discounts, and an International Airlines Travel Agent (IATAN) membership. View our full list of benefits .

Accommodation requests

If you need assistance with any part of the application or recruiting process due to a disability, or other physical or mental health conditions, please reach out to our Recruiting Accommodations Team through the Accommodation Request .

We are proud to be named as a Best Place to Work on Glassdoor in 2024 and be recognized for award-winning culture by organizations like Forbes, TIME, Disability:IN, and others.

Expedia Group's family of brands includes: Brand Expedia®, Hotels.com®, Expedia® Partner Solutions, Vrbo®, trivago®, Orbitz®, Travelocity®, Hotwire®, Wotif®, ebookers®, CheapTickets®, Expedia Group™ Media Solutions, Expedia Local Expert®, CarRentals.com™, and Expedia Cruises™. © 2024 Expedia, Inc. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50

Employment opportunities and job offers at Expedia Group will always come from Expedia Group’s Talent Acquisition and hiring teams. Never provide sensitive, personal information to someone unless you’re confident who the recipient is. Expedia Group does not extend job offers via email or any other messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com/jobs .

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.