Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success.

Maximise your chances of a successful application to this job by ensuring your CV and skills are a good match. Why Join Us? To shape the future of travel, people must come first. Guided by our Values and Leadership Agreements, we foster an open culture where everyone belongs, differences are celebrated and know that when one of us wins, we all win. We provide a full benefits package, including exciting travel perks, generous time-off, parental leave, a flexible work model (with some pretty cool offices), and career development resources, all to fuel our employees' passion for travel and ensure a rewarding career journey. We’re building a more open world. Join us. Introduction to the team: We create and deliver an aligned, dedicated marketing strategy to fuel each Expedia Group brand's success. Since our travelers interact with us through our brands, we have a brand focus in our marketing, while leveraging the scale and efficiency we’ve built in functional expertise. Expedia Group is seeking aSenior Prompt Engineerto join our dynamicPerformance Marketingteam. This hybrid role blends the strategic mindset of a Technical Product Manager with foundational knowledge of Machine Learning Science, focusing on harnessing the power ofGenerative AIandLarge Language Models (LLMs)to transform and scale our global digital advertising efforts. You’ll collaborate with marketing managers, data engineers, and AI specialists to streamline campaign creation, automate reporting, and generate actionable insights—enabling smarter, faster, and more scalable marketing decisions. If you're passionate about AI, marketing technology, and solving high-impact business problems in the travel space, this is your opportunity to make a real difference. In this role, you will: Design, test, and optimize prompt frameworks using LLMs (e.g., OpenAI, Claude, Gemini) to automate key advertising workflows.

Automate campaign creation tasks such as keyword generation, ad copywriting, audience segmentation, and asset development.

Leverage AI tools to generate performance summaries and reduce manual reporting overhead.

Collaborate with marketers to identify key business drivers and generate AI-powered insights that inform campaign strategy.

Build real-time or near-real-time optimization systems for budget allocation, creative testing, and channel mix.

Experiment with advanced techniques like retrieval-augmented generation (RAG), embeddings, and multi-modal integrations (e.g., NLP + structured data).

Ensure prompt outputs are safe, accurate, and aligned with Expedia’s brand voice and advertising standards.

Partner with engineers, analysts, and data scientists to integrate AI solutions into internal tools and dashboards.

Experience and qualifications: 6-8 years of experience in a technical role, ideally in digital marketing, product management, software development, automation, or AI/ML applications

Bachelor’s or Master’s degree inComputer Science, Data Science, Engineering, Marketing Analytics, Machine Learning a related field of study or equivalent work experience

Have led feasibility and prioritization exercises for product roadmaps

Deep understanding of LLMs and prompt engineering techniques (e.g., few-shot prompting, chain-of-thought, structured output)

Proven track record of using AI to drive marketing automation, campaign optimization, or customer insights

Proficient in Python, SQL, and working with APIs (especially OpenAI, Cohere, Anthropic)

Comfortable working with large datasets and visualization tools (e.g., Power BI, Tableau)

Strong communicator with the ability to work cross-functionally across marketing, product, and data teams

Thrive in afast-paced, iterative environmentfocused on experimentation and continuous learning

Familiar with performance marketing platforms (Google Ads, Meta) and key metrics (ROAS, CPA, CTR) and A/B testing and marketing experimentation frameworks

The total cash range for this position in Austin is $173,000.00 to $242,500.00. Employees in this role have the potential to increase their pay up to $277,000.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.The total cash range for this position in Seattle is $173,000.00 to $242,500.00. Employees in this role have the potential to increase their pay up to $277,000.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role. Starting pay for this role will vary based on multiple factors, including location, available budget, and an individual’s knowledge, skills, and experience. Pay ranges may be modified in the future. Expedia Group is proud to offer a wide range of benefits to support employees and their families, including medical/dental/vision, paid time off, and an Employee Assistance Program. To fuel each employee’s passion for travel, we offer a wellness & travel reimbursement, travel discounts, and an International Airlines Travel Agent (IATAN) membership. View our full list of benefits. Accommodation requests 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 our Recruiting Accommodations Team through the Accommodation Request. We are proud to be named as a Best Place to Work on Glassdoor in 2024 and be recognized for award-winning culture by organizations like Forbes, TIME, Disability:IN, and others. Expedia Group's family of brands includes: Brand Expedia, Hotels.com, Expedia Partner Solutions, Vrbo, trivago, Orbitz, Travelocity, Hotwire, Wotif, ebookers, CheapTickets, Expedia Group Media Solutions, Expedia Local Expert, CarRentals.com, and Expedia Cruises. 2024 Expedia, Inc. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50 Employment opportunities and job offers at Expedia Group will always come from Expedia Group’s Talent Acquisition and hiring teams. Never provide sensitive, personal information to someone unless you’re confident who the recipient is. Expedia Group does not extend job offers via email or any other messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com/jobs. 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, or veteran status. This employer participates in E-Verify. The employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization. #J-18808-Ljbffr