User Experience Engineer II - React, Java

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 Global Payments (EGP) is looking for top engineering talent to help drive the development of our payments platform, seamlessly roll out new payments methods, and to continuously raise the bar on our operational excellence and engineering practices.  Our services are the nexus of a globally distributed system that spans many organizations.  Our roadmap is deep and contains several innovative programs designed to make our services fault tolerant, reduce the cost of payment processing, and improve customer experience. This includes compensating for downstream services that are not in Expedia's control. We are also looking to use cloud computing (AWS) to further solidify our infrastructure.  This opportunity presents you with great technical challenges and the ability to have a tremendous business impact.  We do this accurately and at scale, processing over $100 billion payments in 60+ currencies in over 155 countries every year across diverse payment options.

Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience. 3+ years of relevant professional experience. Professional experience as a full stack or front-end-leaning software development engineer building production web applications using React and JavaScript, with exposure to at least one object-oriented back-end language (such as Java or Kotlin). Hands-on experience designing and implementing GraphQL-based solutions, including creating and consuming schemas within a service-oriented or microservices environment. Demonstrated ability to design and implement low-level system components, including REST/GraphQL APIs, data models, and integration logic that align with established patterns and guidelines for a given service or set of services. Problem solver and an excellent coder with deep understanding of JS ecosystem, interactive web application development, and performance optimization. Have solid understanding of React, Redux, CSS/Sass, HTML 5, JavaScript, TypeScript, Node.js, Express. Have good understanding of AWS, Docker, Datadog, Looker, Jenkins, Splunk Preferred Qualifications: Experience owning complex features or services end-to-end across multiple domains, including technical design, implementation, rollout, and ongoing operational support. Background in building and optimizing large-scale, high-traffic web applications using React, JavaScript, and GraphQL, with attention to performance, resilience, and observability. Expertise in designing robust APIs and data models that support evolving product requirements, including thoughtful low-level system design, versioning strategies, and backwards compatibility. Track record of driving engineering best practices for code quality, testing, and operational excellence, including monitoring, alerting, and incident response for the services and UIs you support. Safely integrates and operates AI/ML‑enabled solutions that improve outcomes, with experience applying AI-assisted development tools or ML-powered capabilities (such as recommendations or personalization) within production web applications and familiarity with AI-driven systems, tools, or workflows and applying