Software Development Engineer III - Backend - Payments

Reposted 22 Days Ago
Austin, TX, USA
Hybrid
146K-234K Annually
Senior level
AdTech • eCommerce • Information Technology • Software • Travel • Generative AI
Helping travelers explore the world. One journey at a time.
The Role
Design, build, and operate low-latency, cloud-native AI-powered fraud decisioning and automated remediation systems. Implement AI-assisted SDLC and agentic multi-agent workflows, modernize streaming/data pipelines and microservices, ensure observability/SLOs/security, evaluate vendor solutions, and mentor engineers.
Summary Generated by Built In

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.


Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy. Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere.

Introduction to the Team

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

The Software Development Engineer III position is part of the Consumer Payments team within Expedia Global Payments, under the Travel foundations org. This team builds and maintains critical systems that power backend APIs for consumer and B2B payment processing, administrative tools for payment configuration, and support for a variety of payment methods across the platform.

Our services are designed with security, scalability, and availability in mind, supporting credit card processing and payment routing at global scale. As an engineer on this team, you'll apply your passion for backend development, cloud computing, and modern engineering practices to solve real-world challenges that impact millions of travelers and partners worldwide. We are looking for an engineer who demonstrates strong ownership, follows through on commitments, and takes pride in building reliable systems that perform well in production.

In this role, you will:

  • Design, build, and maintain scalable backend payment services that support Expedia’s global travel platform

  • Apply software design principles, data structures and/or design patterns and computer science fundamentals to write code that is clean, maintainable, optimized, modular with good naming conventions

  • Implement secure data handling practices to protect payment information and meet compliance standards

  • Recommend and apply architectural patterns or GenAI capabilities to improve system design and innovation

  • Enhance service reliability through observability, automation, and continuous operational improvements

  • Collaborate with cross-functional teams to deliver high-impact features aligned with Expedia’s strategic goals

Minimum Qualifications:

  • Bachelor's degree or Master's in a related technical field, or equivalent related professional experience

  • 5+ years of experience in backend software development, working with cloud-based and distributed systems at scale

  • Proficiency in Java or Kotlin, with hands-on experience integrating services with relational and NoSQL databases

  • Experience with CI/CD pipelines, infrastructure/test automation, and delivering features in Agile development environments

Preferred Qualifications:

  • Experience working on payment platforms or implementing backend services leveraging GenAI technologies

  • Experience contributing to multiple multi-quarter, cross-team projects

  • Experience supporting complex distributed systems in production through monitoring, debugging, incident resolution, and root-cause analysis

  • Demonstrated experience designing and deploying scalable services on AWS

  • A Master's degree in a related technical field

Please note that this role is only available in Austin, TX, in alignment with our flexible work model, which requires employees to be in the office at least three days a week. We are unable to offer relocation assistance for this role.

The total cash range for this position in Austin 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.


Benefits and perks

Expedia Group offers benefits and perks designed to support employees and their families, including medical, dental, and vision coverage, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and International Airlines Travel Agent Network (IATAN) membership. Learn more about life at Expedia Group at https://careers.expediagroup.com/life.


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/.


Equal Opportunity

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, veteran status, or any other characteristic protected by law. 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.

Skills Required

  • Bachelor's degree in Computer Science or related field, or equivalent experience
  • 5+ years software engineering building and operating high-scale production backend services, including shipping Gen AI and agentic systems
  • Hands-on proficiency in at least one modern programming language and core software engineering practices, including system design (LLD), API design, and data modeling for AI-enabled services
  • Familiarity with distributed cloud-native engineering at scale (AWS, GCP, or Azure), microservices, API-driven design, SQL/NoSQL databases, and data streaming/processing (Kafka, Flink, Spark)
  • Hands-on experience using AI coding assistants and agents (e.g., Claude Code, Cursor, GitHub Copilot) and applying AI-assisted SDLC practices with prompt/context management and human-in-the-loop review
  • Experience building, monitoring, and debugging LLM and multi-agent applications with frameworks such as LangChain, LangGraph, Langfuse, or equivalent
  • RAG architecture experience and familiarity with data orchestration frameworks (e.g., LlamaIndex) and vector databases (e.g., Pinecone)
  • Exposure to LLM providers such as OpenAI, Gemini, and Anthropic
  • Track record automating and reimagining manual operational processes with agentic systems
  • Experience integrating AI/ML solutions or LLM models into scalable backend services with observability and cost-awareness
  • Experience with graph/sequence modeling or entity resolution at scale and device/behavioral signals
  • Experience with cloud cost/performance tuning and capacity planning
  • Marketplace, travel, or e-commerce experience
  • Ability to work in Austin, TX with in-office presence at least three days per week; no relocation assistance provided

What the Team is Saying

Christos Rigas

Expedia Group Compensation & Benefits Highlights

  • Wellbeing & Lifestyle Benefits Travel discounts across company brands and wellness/travel stipends are positioned as meaningful, travel‑friendly perks. Additional wellbeing resources such as telehealth and an employee assistance program are also highlighted.
  • Healthcare Strength Medical, dental, and vision coverage are described as comprehensive in the U.S., with mental‑health tools and telehealth expanding access. These core plans are consistently presented as a foundation of the package.
  • Parental & Family Support Paid parental leave, family‑building support (fertility, adoption), and caregiving resources are emphasized across company materials. These offerings signal attention to a broad range of family needs.

Expedia Group Insights

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The Company
HQ: Seattle, WA
16,000 Employees
Year Founded: 1996

What We Do

Expedia Group, Inc. is the global travel marketplace with one purpose: to help travelers explore the world, one journey at a time. Expedia Group™ connects travelers, partners, and advertisers through its trusted brands, leading technology, and rich first-party data, delivering predictive, personalized experiences that shape the future of travel. Expedia Group’s ecosystem includes three flagship consumer brands – Expedia®, Hotels.com®, and Vrbo® – the largest B2B travel business, and a premier advertising network. Guided by an experienced and passionate global team, Expedia Group helps millions of travelers in more than 70 countries explore the world with confidence and ease.

Why Work With Us

Life at Expedia Group starts with the people and is shaped by how we work together. You’ll join a global community of curious teammates from different backgrounds, locations, and disciplines. Day to day, that means sharing ideas, taking ownership, and solving problems together.

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Expedia Group Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Typical time on-site: 3 days a week
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