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About the Role
As an SDE III on the Model Lifecycle team, you will own features end-to-end across services that help the MLS and MLE community take use cases from idea to production model. You will work in Python, Go, TypeScript, and Kubernetes, with senior and principal engineers nearby for support. The code you ship is felt quickly by hundreds of models across Expedia, Vrbo, and Hotels.com, and good engineering habits are valued. You will have space to learn how to get the best out of coding agents like Cursor and Claude Code, and we'll look to you to apply good judgment on what lands in main.
Responsibilities
- Design, develop, test, deploy, and maintain reliable software services and applications that deliver measurable outcomes for customers and the business.
- Apply software engineering principles across the development lifecycle, including low-level system design, API design, data modelling, implementation, testing, and code review.
- Own technical solutions within a service or defined technical area, making sound engineering decisions that balance maintainability, scalability, reliability, and delivery.
- Collaborate across engineering and partner teams to define requirements, resolve dependencies, and deliver cohesive solutions across multiple domains when needed.
- Use operational data, monitoring, and production feedback to troubleshoot issues, improve system performance, and strengthen the reliability of owned services.
- Safely integrate and operate AI/ML-enabled solutions that improve outcomes, applying familiarity with AI-driven systems, tools, or workflows and AI/ML concepts to real-world products.
Requirements
- Bachelor’s degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience.
- Demonstrated professional experience developing and delivering production software, with ownership of services or defined technical components.
- Proficiency in software development fundamentals, including low-level system design, API design, data modelling, algorithms, testing, debugging, and code quality practices.
- Experience designing, implementing, and operating reliable services, with responsibility for monitoring, incident response, performance, and continuous improvement.
- Ability to collaborate effectively across teams and apply technical judgment to solve complex problems within a defined domain or multi-service environment.
- Experience designing and evolving distributed systems or multi-service architectures operating at meaningful scale.
- Demonstrated ability to lead architecture and implementation decisions within a service, technical domain, or cross-service initiative.
- Strong operational excellence, including automation, observability, resilience engineering, and data-driven improvements to reliability and performance.
- Experience applying AI/ML concepts, tools, or workflows to production software, including safely evaluating and integrating AI/ML-enabled capabilities.
- Familiarity with full-stack or cross-domain engineering practices and the ability to contribute effectively across multiple technical areas.
Skills
- Python
- Go
- TypeScript
- Kubernetes
- AI/ML concepts
- AI-driven systems
- AI/ML tools
- AI/ML workflows
- Software development fundamentals
- Low-level system design
- API design
- Data modelling
- Algorithms
- Testing
- Debugging
- Code quality practices
- Distributed systems
- Multi-service architectures
- Operational excellence
- Automation
- Observability
- Resilience engineering
- Full-stack engineering
- Cross-domain engineering
Experience Level
- SDE III
Education Level
- Bachelor’s degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience.
About the Company
- Expedia Group helps travelers explore the world, one journey at a time.
- We are 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.
- 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.
- 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.
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, religion, gender, sexual orientation, national origin, disability or age.