Software Development Engineer II - (backend)
Key Skills for This Role
Full Job Posting
Today, the unified Payment Module powers our Modern Checkout, EGP Advertising, EGP Private label solution. It: - Manages multiple forms of payment—Credit cards, Affirm, Apple Pay, Naver Pay, PayPal, Google Pay, loaclised payments, gift cards, and loyalty programs. - Determines which payment options are eligible for each checkout context. We are expanding the payment experience to support additional lines of business—Air, Cars, Cruises, Activities—and more points of sale worldwide within unified payment module. In this role, you will:
Build and maintain backend services and platform capabilities within Expedia Group’s Payments domain using Java, Spring Boot, microservices, and AWS.
Build and maintain backend services and platform capabilities within Expedia Group’s Payments domain using Java, Spring Boot, microservices, and AWS.
Design and implement reliable service-to-service communication and distributed-system capabilities, including gRPC integrations and NoSQL data solutions.
Design and implement reliable service-to-service communication and distributed-system capabilities, including gRPC integrations and NoSQL data solutions.
Apply computer science fundamentals, data structures and algorithms, low-level design, API design, and data modeling to deliver scalable backend solutions.
Apply computer science fundamentals, data structures and algorithms, low-level design, API design, and data modeling to deliver scalable backend solutions.
Collaborate with engineers and stakeholders to clarify requirements, evaluate trade-offs, resolve ambiguous technical problems, and deliver practical outcomes.
Collaborate with engineers and stakeholders to clarify requirements, evaluate trade-offs, resolve ambiguous technical problems, and deliver practical outcomes.
- Take ownership of backend services and contribute across technical domains, including adapting to Kotlin-based development environments as needed.
Take ownership of backend services and contribute across technical domains, including adapting to Kotlin-based development environments as needed.
Safely integrate and operate AI/ML-enabled solutions that improve outcomes, including applying AI-driven systems, tools, or workflows to enhance engineering productivity and delivery.
Minimum Qualifications:
- Bachelor's degree in Computer Science or a related technical field; or Equivalent related professional experience.
Bachelor's degree in Computer Science or a related technical field; or Equivalent related professional experience.
2+ years of relevant professional experience.
2+ years of relevant professional experience.
Experience building backend services with Java, Spring Boot, microservices, AWS, distributed systems, and service-to-service communication.
Experience building backend services with Java, Spring Boot, microservices, AWS, distributed systems, and service-to-service communication.
Proficiency in coding, data structures and algorithms, low-level design, API design, and data modeling, with experience owning backend services or capabilities.
Proficiency in coding, data structures and algorithms, low-level design, API design, and data modeling, with experience owning backend services or capabilities.
Knowledge of NoSQL databases, preferably DynamoDB, along with clear communication and collaborative problem-solving skills.
Preferred Qualifications:
- Experience developing backend systems in a product-focused technology organization, with demonstrated ownership of services operating at meaningful scale.
Experience developing backend systems in a product-focused technology organization, with demonstrated ownership of services operating at meaningful scale.
Experience with Kotlin or the ability to work effectively across Java- and Kotlin-based backend environments.
Experience with Kotlin or the ability to work effectively across Java- and Kotlin-based backend environments.
Strong practical experience with gRPC, distributed-system design, DynamoDB, and scalable microservice architectures.
Strong practical experience with gRPC, distributed-system design, DynamoDB, and scalable microservice architectures.
Demonstrated operational excellence through reliable delivery, thoughtful trade-off analysis, and data-informed improvements to backend services.
Demonstrated operational excellence through reliable delivery, thoughtful trade-off analysis, and data-informed improvements to backend services.
Hands-on experience using AI-driven systems, tools, or workflows to accelerate software engineering, improve delivery outcomes, or enhance backend products.
Accommodation requests
Expedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at https://expedia.service-now.com/askeg?id=job_accommodation .
About Expedia Group
Expedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease.
Important notice
Employment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is https://careers.expediagroup.com/jobs/ .
About Expedia Group
Global travel technology company powering online booking platforms.
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