Software Development Engineer II - Full stack - Frontend heavy (React.JS/Java/GraphQL)

Expedia Group; Gurugram District; On-site; INR 1,800,000 - 3,200,000; Full time

Job summary

Expedia Group is hiring experienced software engineers to design, build, and scale the Unified Payment Module and related services. The role emphasizes full-stack development with React/JavaScript on the frontend and Kotlin/Java on the backend, plus GraphQL APIs and cloud tooling.

You will collaborate across product and design teams to deliver reliable, high-performance web applications with observability and security best practices, while supporting AI/ML integrations where appropriate.

Qualifications

• Bachelor’s degree in Computer Science or a related technical field or equivalent professional experience.
• 3+ years of relevant professional experience.
• Experience building production web applications using React and JavaScript with exposure to Java or Kotlin.
• Hands-on experience designing and implementing GraphQL-based solutions.
• Experience designing REST/GraphQL APIs and data models in service-oriented or microservices environments.
• Strong knowledge of JS ecosystem, interactive web app development, and performance optimization.
• Solid understanding of React, Redux, CSS/Sass, HTML5, JavaScript, TypeScript, Node.js, Express.
• Knowledge of AWS, Docker, Datadog, Looker, Jenkins, Splunk.

Responsibilities

• Design, build, and maintain full stack web applications with emphasis on front-end experiences using React and JavaScript, and contribute to back-end services in Kotlin, Java, or other OO languages.
• Implement and evolve client-facing GraphQL APIs and integrations, including schema design and query optimization.
• Develop clean, testable, and maintainable code across the stack with attention to system design and data modeling.
• Collaborate with product, design, and engineering teams to deliver features end-to-end with performance, accessibility, security, and quality in mind.
• Own the operational health of services and UI, including monitoring, troubleshooting, and reliability improvements.
• Safely integrate and operate AI/ML-enabled solutions and apply AI/ML concepts to real-world products.

Skills

React

JavaScript

TypeScript

Node.js

Express

Redux

HTML5

CSS/Sass

GraphQL

API Design

Kotlin

Java

AWS

Docker

Datadog

Jenkins

Splunk

Education

Bachelor’s degree in Computer Science or related field

Tools

Looker

Job description

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.

Team Introduction:

Expedia Global Payments (EGP) is hiring engineers to build and evolve the core platform of our globally distributed payment system. We process over $100B annually in more than 35 currencies. Our priorities are high availability, lower payment-processing costs, and better experiences for travelers and partners (hotels, airlines, and more).

You will help build the payment experience within our Unified Payment Module, which supports complex payment scenarios. Our goal is to give travelers the simplest, most reliable way to pay and to make these capabilities easy for partners to adopt-seamlessly integrating into any checkout with an adaptive, dynamic feature set.

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:

• Design, build, and maintain full stack web applications with an emphasis on front-end experiences using React and JavaScript, while contributing to back-end services in Kotlin, Java, or another object-oriented language.
• Implement and evolve client-facing GraphQL APIs and integrations, including schema design, query optimization, and resilient data-fetching patterns.
• Develop clean, testable, and maintainable code across the stack, including system design (LLD), API design, and data modeling aligned to existing service and data boundaries.
• Collaborate with product, design, and other engineering teams to deliver features end-to-end, ensuring performance, accessibility, security, and high-quality user experience across multiple domains.
• Own the operational health of the services and UI you build, including monitoring, troubleshooting, and continuous improvement of reliability, scalability, and performance.
• 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.
• 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 AI/ML concepts to real world 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/.

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, religion, gender, sexual orientation, national origin, disability or age.