{"id":1275135,"url":"https://alion.io/job/expedia-group-senior-data-platform-engineer-data-lake-and-catalog","title":"Senior Data Platform Engineer (Data Lake and Catalog)","company":{"id":1763687,"name":"Expedia Group","domain":"expediagroup.com","url":"https://alion.io/company/expediagroup-com","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":100,"open_postings":28,"ghost_share":0,"stale_share":0,"repost_share":0.036,"time_to_fill_p50_days":19,"computed_at":"2026-10-21T05:46:15Z"}},"role":"Data Science","role_family":"Data Science","seniority":"senior","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":98000,"max_usd":194000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":39},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Amazon S3","optional":false},{"name":"Apache Iceberg","optional":false},{"name":"AWS","optional":false},{"name":"Hadoop","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"SLI/SLO/SLA","optional":false},{"name":"Spark","optional":false}],"status":"closed","first_seen_at":"2026-09-18T00:00:00Z","employer_posted_date":"2026-09-18","last_verified_at":"2026-10-19T08:43:57Z","board_verified":false,"closed_at":"2026-10-19T08:43:57Z","days_open":31,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":31},"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.\nExpedia Group seeks a motivated and results-oriented Senior Software Engineer to join our Data Lake and Catalog team.\nAs a Senior Software Engineer on an industry-leading data platform, you will build the core of Expedia Group’s Lakehouse and data discoverability capabilities, evolving how we store, govern, and expose data so product and analytics teams can easily find, understand, and trust the data they need.\nYou will collaborate with experienced software engineers and cross-functional partners to improve our technology, design and develop new services and software solutions, and build and track metrics to ensure high-quality results. You will contribute to technical direction through strong engineering judgment, influence system design, and work closely with business partners to turn product vision into scalable, reliable systems.\nWe love contributing our work to open-source communities and have successfully done so with tools like Circus Train, a Hive dataset replication tool, and Waggle Dance, a federation service that allows access to data lake tables across multiple catalogs. Recently, we added Hive support to Apache Iceberg, a high-performance open table format for large analytic datasets that underpins many modern Lakehouse architectures.\nWe guarantee you’ll learn a lot and won’t be bored!\nWhat you'll do\nDesign, build, and evolve maintainable, scalable, testable, and observable software for our data lake platform.\nLead by example in engineering quality through clean, well-tested code and strong coding practices.\nPromote an SLO-driven culture by contributing to reliability goals, observability, and incident learnings.\nPartner closely with engineers and other stakeholders to clarify requirements and deliver effectively.\nBreak down complex problems into pragmatic technical solutions, estimates, and implementation plans.\nOwn services and platform capabilities through design, delivery, and production operation.\nLead the technical design of services and platform capabilities that support scale, resilience, and long-term evolution.\nMentor other engineers through technical guidance, pairing, and day-to-day collaboration.\nCollaborate with architects and partner teams across the organisation to build solutions that benefit Expedia Group more broadly.\nStay current with relevant technology trends and apply them thoughtfully to improve the platform and developer experience.\nWho you are\nProven experience as a senior software engineer building and operating production systems at scale.\nStrong passion for technology, engineering excellence, and solving complex engineering problems.\nExperience delivering end-to-end solutions with a focus on scalability, reliability, and observability.\nStrong knowledge of the JVM and server-side Kotlin/Java programming.\nSolid understanding of the Hadoop ecosystem, including Spark, Hadoop, and Hive.\nStrong experience with cloud platforms and data infrastructure, especially AWS, including EMR, S3, and Glue.\nExperience working in Agile environments and contributing through code reviews, design discussions, and collaborative development.\nStrong communication skills, with the ability to work effectively across technical and business stakeholders.\nAbility to manage multiple priorities, make sound technical trade-offs, and deliver in a fast-paced environment.\nGood understanding of architectural patterns and trade-offs, with confidence in recommending practical technical approaches.\n.\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. All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability or age.","description_format":"text","description_chars":5553,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Commerce","Travel & Tourism","Marketplaces"],"lifecycle":[{"event":"open","at":"2026-09-26T01:14:03Z"},{"event":"close","at":"2026-10-19T08:43:57Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/expedia-group-senior-data-platform-engineer-data-lake-and-catalog","json_url":"https://alion.io/job/expedia-group-senior-data-platform-engineer-data-lake-and-catalog.json","meta":{"generated_at":"2026-10-21T11:06:13Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":15629,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-22T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1763687},"rest":"https://alion.io/mcp/rest/get_company?id=1763687"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fexpedia-group-senior-data-platform-engineer-data-lake-and-catalog"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fexpedia-group-senior-data-platform-engineer-data-lake-and-catalog"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fexpedia-group-senior-data-platform-engineer-data-lake-and-catalog"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/expedia-group-senior-data-platform-engineer-data-lake-and-catalog\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fexpedia-group-senior-data-platform-engineer-data-lake-and-catalog"}]}