{"id":3302503,"url":"https://alion.io/job/expedia-group-principal-software-development-engineer-genai-platform","title":"Principal Software Development Engineer, GenAI Platform","company":{"id":1763687,"name":"Expedia Group","domain":"expediagroup.com","url":"https://alion.io/company/expediagroup-com","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":100,"open_postings":30,"ghost_share":0,"stale_share":0,"repost_share":0.067,"time_to_fill_p50_days":20,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Gurgaon, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":28000,"max_usd":69000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":74},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Fine-tuning","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"Kubernetes","optional":false},{"name":"LangGraph","optional":false},{"name":"Machine Learning","optional":false},{"name":"Python","optional":false},{"name":"FinOps","optional":true},{"name":"LangChain","optional":true},{"name":"LLM","optional":true}],"status":"live","first_seen_at":"2026-10-26T00:00:00Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-10-29T05:53:20Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"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.\nPrincipal Software Development Engineer, GenAI Platform\nIntroduction to team\nExpedia Group’s Technology team partners with teams across the company to create innovative products, services, and tools for travelers, partners, and employees. Our singular technology platform, powered by data and machine learning, enables secure, differentiated, and personalized experiences.\nAs a Principal Software Engineer on the Generative AI Platform team, you will help build the foundational capabilities that enable teams across Expedia Group to develop, operate, secure, govern, and scale AI-powered experiences. This is a hands-on platform role with broad technical influence across multiple areas, not a single-product or single-bot assignment.\nThis role is based in Gurgaon and requires regular in-person collaboration with the engineering team.\nIn this role, you will:\nDesign and build reusable Generative AI platform services, pipelines, and application programming interfaces that support multiple teams and use cases.\nDevelop and operate production-grade AI agents using LangGraph, deep-agent, multi-agent, or comparable agentic patterns.\nSet technical direction for agent evaluation, operations, security, and governance capabilities.\nArchitect intelligent model-routing and large language model gateway platforms, balancing reliability, latency, quality, and inference cost.\nEvaluate model and platform approaches, including open-weight model deployment, fine-tuning, and inference strategies.\nLead through influence, mentor engineers, and establish engineering practices that improve reliability, developer productivity, security, and business agility.\nMinimum Qualifications:\n10+ years of professional software engineering experience, including a strong track record building scalable backend or platform systems in high-traffic, distributed environments.\nRecent, hands-on experience designing and developing production-grade Generative AI or AI-agent systems.\nProficiency in Python and at least one additional production language, such as Java or Kotlin.\nExperience designing cloud-native systems using distributed systems, microservices, application programming interfaces, data pipelines, and low-latency architecture.\nHands-on experience with AWS, Docker, Kubernetes, continuous integration and continuous delivery, database platforms, caching, and architectural design patterns.\nAbility to set technical direction, communicate complex concepts clearly, and influence globally distributed teams.\nPreferred Qualifications:\nExperience with MLOps, including model fine-tuning, inference systems, or deployment of open-weight models.\nExperience building or operating agent evaluation, agent operations, agent security, or agent governance capabilities.\nExperience developing generic, reusable GenAI pipelines or intelligent model-routing and LLM gateway platforms.\nExperience applying FinOps principles to model routing, inference optimization, or large-scale AI platform cost management.\nExperience balancing platform reliability, developer productivity, security, and business agility across multiple engineering domains.\nExperience mentoring engineers and contributing to a culture of transparency, shared ownership, and continuous learning.\nA platform-oriented, “One Expedia” mindset focused on collaboration, shared success, and delivering leverage for teams across the organization.\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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