Expedia, Inc.
Principal Software Development Engineer (Full Stack) - Marketing Technology
Expedia, Inc., Seattle, Washington, us, 98127
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.
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.
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.
Introduction to the Team
Expedia Group is reinventing the future of marketing technology. Our Marketing Technology platform powers global marketing at scale across Google, Meta, Apple, and beyond. As a Principal Software Engineer, you’ll set the technical vision and build the foundational systems that harness AI, automation, and large-scale distributed systems to transform how marketing is executed.
Expedia Group is at the intersection of travel, technology, and AI. Our team’s mission is to design best-in-class marketing platforms that deliver measurable business impact while pushing the boundaries of what’s possible. We operate like a startup inside a global company by moving fast, experimenting boldly, and building for scale. Technologies we work with include Golang, Python, Kotlin, React, Kubernetes, Argo, and AWS (EC2, ECS, EMR, RDS, S3).
We are not just optimizing ads. We are building context-aware, AI-driven agentic workflows that preserve brand integrity while supercharging creativity and productivity. Think dynamic asset generation, automated content moderation, and intelligent bidding at global scale.
If you thrive on solving complex problems at massive scale, shaping platform strategy, and mentoring world-class engineers, this is the place for you.
In this role, you will:
Shape the future of marketing tech: Architect and deliver core systems that enable AI-driven marketing workflows at global scale. Drive technical strategy: Partner with engineering, data science, and product leaders to define the platform roadmap and long-term architecture. Lead by example: Write, review, and guide development of high-quality, reliable, and scalable software. Mentor and elevate: Coach engineers across multiple teams, fostering technical excellence and a culture of innovation. Innovate with AI: Integrate generative AI and intelligent automation into workflows that directly reduce external spend and amplify marketing impact. Scale for reliability: Ensure our systems are secure, resilient, observable, and performant under the demands of billions of transactions. Collaborate across Expedia Group: Influence and align with cross-functional stakeholders—from marketing to ML science—to deliver measurable value to Expedia Group brands. Experience and qualifications
12+ years of experience with Bachelor’s, 10+ years with Master’s, in software engineering or architecture including leading design of large-scale distributed systems. Proven ability to design and evolve complex systems for scalability, reliability, and security. Strong experience with Kubernetes, AWS, and modern infrastructure practices. Proficiency in multiple programming languages (Java, Python, Scala, Kotlin, or equivalent). Experience with front-end frameworks (React) is a plus. Proficiency in utilizing coding tools to maximise productivity. Familiarity with applying AI/ML in production systems, or eagerness to rapidly learn and apply. Track record of mentoring engineers, driving consensus across diverse teams, and communicating technical vision to executives. Relentless focus on solving real problems, delivering measurable outcomes, and raising the bar. The total cash range for this position in Seattle is $224,000.00 to $313,500.00. Employees in this role have the potential to increase their pay up to $358,500.00, 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 wellness and travel reimbursement, travel discounts, and an International Airlines Travel Agent (IATAN) membership. 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 a Best Place to Work on Glassdoor in 2024 and to 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. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50 Employers will provide information from new employees' I-9s to verify work authorization as required. This employer participates in E-Verify.
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Shape the future of marketing tech: Architect and deliver core systems that enable AI-driven marketing workflows at global scale. Drive technical strategy: Partner with engineering, data science, and product leaders to define the platform roadmap and long-term architecture. Lead by example: Write, review, and guide development of high-quality, reliable, and scalable software. Mentor and elevate: Coach engineers across multiple teams, fostering technical excellence and a culture of innovation. Innovate with AI: Integrate generative AI and intelligent automation into workflows that directly reduce external spend and amplify marketing impact. Scale for reliability: Ensure our systems are secure, resilient, observable, and performant under the demands of billions of transactions. Collaborate across Expedia Group: Influence and align with cross-functional stakeholders—from marketing to ML science—to deliver measurable value to Expedia Group brands. Experience and qualifications
12+ years of experience with Bachelor’s, 10+ years with Master’s, in software engineering or architecture including leading design of large-scale distributed systems. Proven ability to design and evolve complex systems for scalability, reliability, and security. Strong experience with Kubernetes, AWS, and modern infrastructure practices. Proficiency in multiple programming languages (Java, Python, Scala, Kotlin, or equivalent). Experience with front-end frameworks (React) is a plus. Proficiency in utilizing coding tools to maximise productivity. Familiarity with applying AI/ML in production systems, or eagerness to rapidly learn and apply. Track record of mentoring engineers, driving consensus across diverse teams, and communicating technical vision to executives. Relentless focus on solving real problems, delivering measurable outcomes, and raising the bar. The total cash range for this position in Seattle is $224,000.00 to $313,500.00. Employees in this role have the potential to increase their pay up to $358,500.00, 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 wellness and travel reimbursement, travel discounts, and an International Airlines Travel Agent (IATAN) membership. 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 a Best Place to Work on Glassdoor in 2024 and to 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. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50 Employers will provide information from new employees' I-9s to verify work authorization as required. This employer participates in E-Verify.
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