{"id":3253580,"url":"https://alion.io/job/expedia-software-development-engineer-iii-2","title":"Software Development Engineer III","company":{"id":6644,"name":"Expedia Group","domain":"expedia.com","url":"https://alion.io/company/expedia","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":75,"open_postings":21,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":82000,"max_usd":186000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":25},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Claude Code","optional":false},{"name":"Cursor","optional":false},{"name":"Kubernetes","optional":false},{"name":"Python","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-10-08T00:00:00Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-26T04:22:41Z","board_verified":true,"closed_at":null,"days_open":18,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":18},"description":"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.\nHere, 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.\nAbout the team\nWe are the Model Lifecycle team inside Expedia Group's ML Platform. Our services help the MLS and MLE community across EG take use cases from idea to production model in the shortest time possible, with paved paths for training, registration, deployment, serving and monitoring.\nAs an SDE III you will own features end to end across one or two of these services, working in Python, Go, TypeScript and Kubernetes, with senior and principal engineers close by to pair, review and unblock. Hundreds of models across Expedia, Vrbo and Hotels.com run on what we help build, so the code you ship is felt quickly and good engineering habits (tests, observability, clear PRs) are valued as much as raw output.\nWe lean heavily on coding agents (Cursor, Claude Code and friends) to accelerate the delivery cycle: scaffolding services, drafting tests, reviewing PRs and keeping documentation in step with the code. You'll have space to learn how to get the best out of them and we'll look to you to apply good judgement on what lands in main.\nIn this role, you will:\nDesign, develop, test, deploy, and maintain reliable software services and applications that deliver measurable outcomes for customers and the business.\nApply software engineering principles across the development lifecycle, including low-level system design, API design, data modelling, implementation, testing, and code review.\nOwn technical solutions within a service or defined technical area, making sound engineering decisions that balance maintainability, scalability, reliability, and delivery.\nCollaborate across engineering and partner teams to define requirements, resolve dependencies, and deliver cohesive solutions across multiple domains when needed.\nUse operational data, monitoring, and production feedback to troubleshoot issues, improve system performance, and strengthen the reliability of owned services.\nSafely 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.\nMinimum Qualifications:\nBachelor’s degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience.\nDemonstrated professional experience developing and delivering production software, with ownership of services or defined technical components.\nProficiency in software development fundamentals, including low-level system design, API design, data modelling, algorithms, testing, debugging, and code quality practices.\nExperience designing, implementing, and operating reliable services, with responsibility for monitoring, incident response, performance, and continuous improvement.\nAbility to collaborate effectively across teams and apply technical judgment to solve complex problems within a defined domain or multi-service environment.\nPreferred Qualifications:\nExperience designing and evolving distributed systems or multi-service architectures operating at meaningful scale.\nDemonstrated ability to lead architecture and implementation decisions within a service, technical domain, or cross-service initiative.\nStrong operational excellence, including automation, observability, resilience engineering, and data-driven improvements to reliability and performance.\nExperience applying AI/ML concepts, tools, or workflows to production software, including safely evaluating and integrating AI/ML-enabled capabilities.\nFamiliarity with full-stack or cross-domain engineering practices and the ability to contribute effectively across multiple technical areas.\nAccommodation requests\nExpedia 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 athttps://expedia.service-now.com/askeg?id=job_accommodation.\nAbout Expedia Group\nExpedia 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.\nImportant notice\nEmployment 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/.\nEqual Opportunity\nExpedia is committed to creating an inclusive work environment with a diverse workforce. 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