Senior Software Development Engineer - Data Platform

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.

Introduction to Team

Expedia Technology teams partner with our Product teams to create innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction.

The Senior Software Engineer – Data Quality Platform role sits within the Data Platform organization in the Expedia Product & Technology division. The team builds the foundational capabilities that ensure Expedia Group’s data is trustworthy, timely, and fit for purpose. Our services power analytics, machine learning, and product experiences across brands and lines of business, enabling teams to make high‑confidence decisions on top of reliable data. In this role, you will design and build scalable platforms for data validation, monitoring, and observability across batch and streaming environments. Your expertise in distributed systems, data engineering, and platform thinking will help us deliver resilient, self‑service capabilities that are deeply integrated into developer workflows. By driving technical excellence and collaborating with teams across the company, you will play a key role in improving the quality of the data that powers experiences for millions of travelers and partners every day.

In this role, you will:

• Design, build, and evolve highly reliable platform services and frameworks that enable product teams to deliver secure, scalable, and observable solutions across Expedia Group.

• Lead end-to-end implementation of complex backend systems, including system design (LLD), API design, and data modeling, with a focus on performance, resilience, and maintainability.

• Drive technical direction for platform capabilities, setting engineering standards, reviewing designs and code, and mentoring other engineers in modern service development best practices.

• Own the full service lifecycle for critical platform components, including deployment, monitoring, incident response, and continuous improvement of reliability and operational excellence.

• Collaborate with cross-functional teams to define and integrate platform capabilities that are reusable across multiple domains, ensuring consistent patterns, tooling, and developer experience.

• Safely integrate and operate AI/ML‑enabled solutions and AI-driven tools that improve platform reliability, developer productivity, and automation, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.

Minimum Qualifications:

• Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience.

• 8+ years of relevant professional experience.

• Proven experience owning one or more services end-to-end, including design, implementation, deployment, monitoring, and operational support.

• Strong proficiency in system design (LLD), API design, and data modeling, with a track record of building secure, scalable, and observable services.

• Hands-on experience with modern service development practices such as CI/CD, monitoring/alerting, and operational tooling in a cloud-based environment, including operating backend or platform services in production.

Preferred Qualifications:

• Experience designing and evolving platform capabilities or shared services used by multiple product or data teams at scale.

• Hands-on experience using agentic coding workflows with tools like Microsoft Copilot and OpenAI Codex to autonomously generate, refine, and optimize code solutions across complex development tasks.

• Strong proficiency in Java development with hands-on experience building scalable, high‑performance applications using Spring Boot, including RESTful API design, microservices architecture, and integration with modern cloud services.

• Background in data platforms or data infrastructure, such as working with Kafka or similar streaming technologies and query engines like Trino/Presto or equivalent tools.

• Demonstrated leadership in defining technical roadmaps, setting engineering standards, and guiding teams through complex architectural decisions for platform systems.

• Practical experience applying AI/ML concepts to platform engineering or data quality problems (for example, intelligent automation, anomaly detection, self-healing workflows, or developer productivity tooling).

• Familiarity with AI-driven systems and workflows within engineering platforms (e.g., AI-assisted development, AI-powered monitoring or operations) and the ability to evaluate and adopt such technologies responsibly in a large-scale environment.

• Strong understanding of supervised, unsupervised, and semi‑supervised learning, including applied mathematics, probability, and statistical methods to detect anomalies and identify statistical deviations.

• Hands‑on experience with core ML frameworks and libraries (e.g., scikit‑learn, XGBoost) and robust data handling skills across diverse data types using pandas, NumPy, and Plotly.

• Familiarity with MLOps practices, including deploying and operating production ML models, model versioning, monitoring for drift, and implementing automated retraining/CI‑CD workflows.

The total cash range for this position in Austin is $184,500.00 to $258,000.00. Employees in this role have the potential to increase their pay up to $295,000.00, 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.