Expedia

Design and maintain scalable backend payment services and APIs focusing on reliability and security. | Bachelor's degree and 2+ years backend development experience with Java/Kotlin and cloud distributed systems. | At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business. Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy. Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere. Introduction to the Team Expedia Technology teams partner with our Product teams to create innovative products, services, and tools that deliver high-quality experiences for travelers, partners, and employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction. The Software Development Engineer II position is part of the Consumer Payments team within Expedia Global Payments, under the Book-to-Trip division. This team builds and maintains critical systems that power backend APIs for consumer and B2B payment processing, administrative tools for payment configuration, and support for a variety of payment methods across the platform. Our services are designed with security, scalability, and availability in mind, supporting credit card processing and payment routing at global scale. As an engineer on this team, you'll apply your passion for backend development, cloud computing, and modern engineering practices to solve real-world challenges that impact millions of travelers and partners worldwide. We are looking for an engineer who demonstrates strong ownership, follows through on commitments, and takes pride in building reliable systems that perform well in production. In this role, you will: Design, build, and maintain scalable backend payment services that support Expedia’s global travel platform Apply software design principles, data structures and/or design patterns and computer science fundamentals to write code that is clean, maintainable, optimized, modular with good naming conventions Implement secure data handling practices to protect payment information and meet compliance standards Recommend and apply architectural patterns or GenAI capabilities to improve system design and innovation Enhance service reliability through observability, automation, and continuous operational improvements Collaborate with cross-functional teams to deliver high-impact features aligned with Expedia’s strategic goals ​Minimum Qualifications: Bachelor's degree or Master's in a related technical field, or equivalent related professional experience 2+ years of experience in backend software development, working with cloud-based and distributed systems at scale Proficiency in Java or Kotlin, with hands-on experience integrating services with relational and NoSQL databases Experience with CI/CD pipelines, infrastructure/test automation, and delivering features in Agile development environments Preferred Qualifications: Experience working on payment platforms or implementing backend services leveraging GenAI technologies Experience contributing to multiple multi-quarter, cross-team projects Experience supporting complex distributed systems in production through monitoring, debugging, incident resolution, and root-cause analysis Demonstrated experience designing and deploying scalable services on AWS A Master's degree in a related technical field Please note that this role is only available in Seattle, WA, in alignment with our flexible work model, which requires employees to be in the office at least three days a week. We are unable to offer relocation assistance for this role. 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. Benefits and perks Expedia Group offers benefits and perks designed to support employees and their families, including medical, dental, and vision coverage, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and International Airlines Travel Agent Network (IATAN) membership. Learn more about life at Expedia Group at https://careers.expediggroup.com/life. Accommodation requests Expedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at https://expedia.service-now.com/askeg?id=job_accommodation. About Expedia Group Expedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease. Important notice Employment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is https://careers.expediagroup.com/jobs/. Equal Opportunity 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.

Design and maintain scalable backend services and APIs, collaborate with teams to implement AI/ML features, and improve system reliability. | Bachelor's degree and 2+ years professional experience with Kotlin or Java and microservices architecture. | At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business. Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy. Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere. Meet The Team As a Full Stack Software Development Engineer II on EG Advertising, you will help build the platform at the center of Expedia Group's advertising growth strategy. You will contribute to scalable, low-latency systems and intelligent ad experiences that expand inventory, improve relevance, and help EG Advertising achieve ambitious revenue goals across onsite, partner, and off-platform channels. You will work on systems that support the advertising lifecycle, including partner-facing tools, campaign management, ad retrieval, bidding, ranking, delivery, reporting, and measurement. In this role, you will: Design, implement, test, and maintain secure, scalable services and applications, contributing to low-level design, API design, and data modeling for business-critical capabilities. Write clean, reliable, and well-tested code, applying sound engineering principles, design patterns, and code review practices to improve quality, performance, and maintainability. Own well-defined features through technical design, implementation, deployment, monitoring, and iteration, with support from senior engineers on broader architectural decisions. Diagnose and resolve production issues, participate in root cause analysis, and contribute to improvements in reliability, observability, and resilience. Collaborate with product, data science, and engineering partners to refine requirements, make data-informed technical decisions, and deliver reusable solutions. Contribute to the safe integration and operation of AI/ML- enabled capabilities, applying foundational familiarity with AI-driven systems, tools, or workflows 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 professional software development experience building and maintaining services or applications in production environments. Proficiency with Kotlin or Java, with experience building backend systems using microservices and event-driven architectures. Experience with the software development lifecycle for services or applications, including design, implementation, code reviews, testing, deployment, and monitoring. Preferred Qualifications: Experience building full-stack applications, including modern frontend development, backend services, APIs, and data flows. Experience with ad servers, ad bidders, ad selection or ranking systems, campaign delivery systems, programmatic advertising platforms, or similarly complex recommendation or ML-driven decisioning systems. Experience designing, operating, or supporting distributed services in production, with attention to observability, reliability, and performance optimization. Experience with AWS, serverless patterns, or infrastructure-as-code tools such as CloudFormation. Experience with containerized deployments (for example, Docker and Kubernetes), CI/CD pipelines, and test automation. Experience collaborating with Data Scientists or integrating data-driven features into production services to improve relevance, personalization, or operational outcomes. Strong communication and collaboration skills, including experience leading small technical projects and contributing to engineering best practices within a team. Location This role is based in Seattle, WA, in alignment with Expedia Group's flexible work model, which requires employees to be in the office at least three days per week. Relocation assistance is not available for this role. 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. Benefits and perks Expedia Group offers benefits and perks designed to support employees and their families, including medical, dental, and vision coverage, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and International Airlines Travel Agent Network (IATAN) membership. Learn more about life at Expedia Group at https://careers.expediggroup.com/life. Accommodation requests Expedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at https://expedia.service-now.com/askeg?id=job_accommodation. About Expedia Group Expedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease. Important notice Employment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is https://careers.expediagroup.com/jobs/. Equal Opportunity 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. Expedia Group (NASDAQ: EXPE) powers travel for everyone, everywhere through our global platform. Driven by the core belief that travel is a force for good, we help people experience the world in new ways and build lasting connections. We provide industry-leading technology solutions to fuel partner growth and success, while facilitating memorable experiences for travelers. 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™. For more information, visit www.expediagroup.com. 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 to 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 lifeatexpediagroup.com/jobs.