Software Development Engineer III - Backend

Expedia Group

$146K — $233K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or related field, or equivalent experience.
  • 5+ years of relevant work experience.
  • Proven ownership of service delivery and operational performance.
  • Strong fundamentals in software engineering including coding and system design.
  • Experience in distributed systems or service-oriented environments.

Responsibilities

  • Design and build reliable software solutions with strong coding and testing practices.
  • Own technical execution of complex initiatives and solve ambiguous problems.
  • Contribute to architecture decisions that enhance maintainability and performance.
  • Collaborate effectively with cross-functional teams to improve outcomes.
  • Monitor service health and use data to enhance reliability and performance.
  • Integrate AI/ML solutions to improve service outcomes.

Benefits

  • Medical, dental, and vision plans.
  • Paid time off and Employee Assistance Program.
  • Wellness and travel reimbursement for employees.
  • Travel discounts and IATAN membership.
Full Job Description
Role summary
Expedia Technology teams partner with the Product teams to create innovative products and services, delivering high-quality experiences for travelers & partners. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction.

The Air Reservations team is seeking a highly motivated backend Software Engineer to own and develop highly scalable, reliable services that form the core engine for flight bookings. These services sit at the intersection of airline supply and traveler demand and are mission-critical to enabling travelers to book and service their flights across Expedia's global platform. If you thrive on building systems that process millions of transactions every month across hundreds of airline suppliers - where reliability and performance directly impact traveler experience - we want you to join our team!

In this role, you will:
  • Design, build, test, and deliver reliable software solutions for a domain or set of services, using strong coding, low-level design, API design, and data modeling practices.
  • Own technical execution for complex initiatives, breaking down ambiguous problems into scalable solutions that meet product, engineering, and operational goals.
  • Contribute to architecture and design decisions across services, driving maintainability, performance, resilience, and secure engineering practices in production environments.
  • Partner effectively with engineers, product, and cross-functional stakeholders to deliver outcomes, improve development efficiency, and support fungibility across multiple technical domains.
  • Improve operational excellence by monitoring service health, resolving production issues, strengthening observability, and using data to guide quality, reliability, and performance improvements.
  • Safely integrate and operate AI/ML-enabled solutions that improve outcomes, 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.
  • 5+ years of relevant professional experience
  • Demonstrated ownership of a service or multiple services within a domain, with responsibility for delivery, quality, and operational performance.
  • Strong software engineering fundamentals, including coding, low-level system design, API design, data modeling, testing, debugging, and secure development practices.
  • Experience working across the software development lifecycle in distributed systems or service-oriented environments, with sound judgment in technical tradeoff decisions.


Preferred Qualifications:
  • Background in building backend services in Java (Spring/Spring Boot or equivalent), including REST/gRPC (Protobuf) APIs, and components that are secure, scalable, and maintainable.
  • Experience with databases (SQL and NoSQL), query design and optimization, and data modeling for backend services.
  • Experience leading technical design for complex service enhancements or new capabilities within a domain, including scalable architecture, resilient APIs, and effective data models.
  • Operational excellence mindset, with demonstrated experience in incident management, root-cause analysis (RCA), and improving reliability and availability metrics.
  • Experience with CI/CD pipelines and deployment strategies, comprehensive automated testing with strong code coverage, and code review practices.
  • Exposure to cloud platforms (preferably AWS) and container/orchestration technologies (e.g., Docker, Kubernetes).
  • Experience with messaging and streaming technologies (e.g., Kafka, Kinesis, SQS) and asynchronous processing patterns.
  • Background in e-commerce or other high-availability transactional systems is a plus.


The total cash range for this position in Seattle is $146,000.00 to $204,500.00. Employees in this role have the potential to increase their pay up to $233,500.00, 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 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.

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