Backend Software Development Engineer II at Expedia in Seattle, WA

Backend Software Development Engineer II Location: Washington - Seattle Campus 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. Our Technology Team Distribution and Supply Pricing partners with teams across Expedia Group 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. As a Backend Software Engineer working on Expedia’s critical production pricing applications, your mission will be to ensure Expedia Pricing is always fast, available, scalable, and engineered to withstand unparalleled demand. You will be in the thick of solving the (often unexpected) problems of systems at scale in a way most engineers never experience. You will have strong analytical and troubleshooting skills, proficiency in coding and systems design, solid interpersonal skills and a desire to tackle the complex problems of scale. You are a collaborative and creative individual and you thrive in a dynamic and agile environment. You adapt to new technologies and enjoy working on complex problems. Every day, we at Expedia get to innovate on web applications that millions of travelers use to plan, book and experience trips they will remember forever. In this role, you will: Design, develop, test, and maintain services and components using core Expedia Group technologies, applying solid object-oriented design, data structures, and algorithms to deliver reliable, high‑quality software. Contribute to system design (including low‑level design), API design, and data modeling for features and services, ensuring solutions are scalable, observable, and maintainable across multiple domains. Collaborate closely with product, design, and partner engineering teams to break down requirements, estimate work, and deliver incremental value through iterative development and continuous improvement. Own the operational quality of the services you build by implementing robust monitoring, alerting, logging, and automated testing, and by participating in on‑call or support rotations as appropriate. Apply secure coding practices, perform code reviews, and help improve team standards, tools, and engineering practices to increase development efficiency and software quality. 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. Minimum Qualifications: Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience. 2+ years of relevant professional experience. Experience owning features or services end-to-end within a bounded scope, including implementation, testing, deployment, and ongoing support in a team environment. Proficiency in at least one modern programming language and its ecosystem, with the ability to design and consume APIs, model data effectively, and apply core computer science fundamentals. Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products at a foundational level. Preferred Qualifications: Experience designing and implementing service or component-level architectures, including system design (LLD), API contracts, and data models that scale under real-world traffic. Hands-on experience operating services in production (such as working with CI/CD pipelines, observability tools, and incident response) and using data to drive reliability and performance improvements. Demonstrated ability to work across multiple functional domains or tech stacks (for example, back-end services with some exposure to front-end or data systems) and to contribute effectively in cross-team collaborations. Growing expertise in applying AI-assisted development tools or workflows (for example, code generation, intelligent testing, or AI-supported diagnostics) to increase engineering productivity while maintaining code quality and security. Hands-on experience in software development using Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languages Optimize for low-latency and high-throughput processing (1M+ TPS) microservices. Exceptional analytical and problem-solving skills, high-quality coding standards, and a sense of ownership and accountability for delivered solutions Excellent communication and interpersonal skills, capable of thriving and collaborating within a globally distributed team environment The total cash range for this position in Seattle is $119,000.00 to $166,500.00. Employees in this role have the potential to increase their pay up to $190,500.00, 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, or veteran status. 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.