Software Development Engineer II

Software Development Engineer II This position is with the SFIS (Salesforce Integration Services) team. The team builds and runs the high‑scale integration, data, and middleware platform that connects Salesforce and the rest of Expedia Group, keeping partner and sales workflows fast, reliable, and insight‑driven. Technologies include open source solutions and Amazon Web Services. Responsibilities Design, implement, and maintain robust, secure, and scalable services and applications, including system design, API design, and data modeling to support business‑critical capabilities across multiple domains. Write clean, reliable, and well‑tested code, applying sound engineering principles, design patterns, and code review practices to improve quality, performance, and maintainability for complex systems. Own end‑to‑end delivery of features and services, from technical design and implementation through deployment, monitoring, and iteration, ensuring high availability and operational excellence. Diagnose and resolve complex production issues, perform root cause analysis, and drive long‑term improvements in reliability, observability, and resilience across services and dependencies. Collaborate with cross‑functional partners, contributing technical expertise to product discovery, backlog prioritization, and data‑driven decision making while ensuring solutions are reusable and fungible 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. Experience and Qualifications Bachelor’s degree in Computer Science or a related technical field; or equivalent 2+ years of related professional experience. Hands‑on experience designing and implementing system components, including APIs, low‑level design, and data modeling for single or multi‑service ownership. Proficiency in at least one modern programming language and associated frameworks, with a solid understanding of data structures, algorithms, debugging, and unit/integration testing. Experience contributing to the operational lifecycle of services (monitoring, alerting, deployment pipelines, and incident handling) within a team setting. Preferred Qualifications Full‑stack engineer with proficiency in Python, JavaScript, and React. Proficiency with LLM‑powered applications, agentic workflows, or conversational AI systems—including prompt design, tool integration, or orchestration frameworks. Experience maintaining and operating at least four software projects or products in production environments, including bug fixing, troubleshooting, monitoring, and operational support within defined SLAs. Experience selecting technologies to solve business problems and understanding trade‑offs between languages and platforms. Experience creating APIs consumed across teams or business units. Solid understanding of how projects and teams interact with other teams and align to business needs. Experience with AI‑enabled software development workflows, including use of AI coding assistants and automated testing tools. Compensation 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, depending on performance. Accommodation Requests Accommodation requests are welcomed. 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 the Recruiting Accommodations Team. 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. #J-18808-Ljbffr