Lead Backend Engineer - Java for Air Supply Platform

Traveltechessentialist; Washington (District of Columbia); On-site; USD 185,000 - 258,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

Paid time off

Employee Assistance Program

Wellness and travel reimbursement

Travel discounts

IATAN membership

Job summary

Expedia Group is seeking a Senior Software Development Engineer on the Air Supply team to own end‑to‑end backend services across brands and partners. You’ll design, implement, and evolve Java-based systems, APIs, and data models for reliable, scalable air shopping experiences.

You’ll collaborate with product and partner engineering, drive reliability improvements, and apply AI/ML concepts to real‑world products, shaping high‑impact experiences for travelers and partners globally.

Qualifications

• Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience.
• 8+ years of relevant professional experience building and operating production backend or full‑stack software services in a team environment, with substantial experience in Java.
• Proven ownership of backend services or components, including responsibility for design, implementation, quality, deployment, and operational health within a product or domain area.
• Proficiency in core software engineering fundamentals, including data structures, algorithms, system design (LLD), API design, and data modeling, with hands‑on application in Java-based systems.
• Hands‑on experience with modern web technologies, frameworks, and service architectures on the backend (e.g., microservices, RESTful APIs), and familiarity with using AI‑driven tools or workflows to enhance developer productivity or service capabilities.

Responsibilities

• Design, build, and evolve backend services and customer experiences in Java, including system design (LLD), API design, and data modeling for scalable, secure, and reliable solutions.
• Implement high‑quality backend code and supporting service components in Java, ensuring maintainability, observability, and operational excellence across multiple services and domains.
• Collaborate with product, design, and partner engineering teams to translate business and customer requirements into robust backend solutions and reusable service integrations.
• Own and improve the end‑to‑end lifecycle of backend services and features, including development, automated testing, deployment, monitoring, and incident resolution.
• Apply data‑driven approaches to prioritize work, validate hypotheses, and continuously optimize service performance, reliability, and user experience across Java‑based systems.
• 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.

Skills

Java backend development

API design

Microservices

System design (LLD)

Data modeling

Observability & reliability

Education

Bachelor's degree in Computer Science

Equivalent professional experience

Job description

Expedia Group is seeking a Senior Software Development Engineer on the Air Supply team to own end‑to‑end backend services across brands and partners. You’ll design, implement, and evolve Java-based systems, APIs, and data models for reliable, scalable air shopping experiences.

You’ll collaborate with product and partner engineering, drive reliability improvements, and apply AI/ML concepts to real‑world products, shaping high‑impact experiences for travelers and partners globally.