Senior Software Development Engineer

Senior Software Development Engineer

Introduction to team  

The Air Connectivity Organization at Expedia Group is at the forefront of innovation in the travel industry. We leverage our cutting-edge, in-house platform to seamlessly integrate with airlines worldwide, delivering exceptional travel experiences to millions of users annually. Through APIs that adhere to NDC standards, we enable travelers to access top-tier content, enjoy an immersive ticket shopping experience, and add convenient ancillaries to their journeys with ease. 

We are part of the partner connectivity platform that serves as the backbone of Expedia’s business, powering an efficient two-way marketplace that bridges supply and demand. Leveraging diverse integration methods—ranging from direct connections to NDC and GDS sourcing—our platform processes over 50 Tier-1 services and generates more than 8TB of data each month. Built with modern technologies like Java, Kotlin, Spring, MSSQL, DynamoDB, and Redis, our ecosystem supports millions of travelers in finding the best travel products tailored to their needs. 

What Sets Us Apart 

• Global Scale: We operate a platform that impacts millions of users worldwide, making air travel more accessible, seamless, and personalized. 

• Innovation-Driven: We thrive on solving complex challenges, continuously improving our technology stack, and staying ahead in the fast-paced travel industry. 

• Collaborative Culture: Our geographically distributed team is empowered to drive high-priority initiatives independently while fostering a culture of collaboration, inclusivity, and shared success. 

If you’re passionate about creating transformative solutions, tackling large-scale engineering challenges, and shaping the future of air travel, we’d love to have you on our team. Join us, and let’s redefine the way the world travels together! 

In this role, you will:   

• Lead and actively contribute to all phases of the software development lifecycle, including design, analysis, development, and deployment efforts for multiple enterprise application projects to tackle complex business problems. 

• Deconstruct large, complex problems into manageable and achievable milestones, driving streamlined execution by the team. 

• Provide technical guidance and mentoring to peers and junior engineers, helping them overcome obstacles and fostering their growth. 

• Collaborate with Expedia Group leaders to architect and build robust applications, thoughtfully selecting relevant technologies to evolve the Expedia travel platform. 

• Maintain, monitor, and improve our solutions and systems with a focus on service excellence; apply industry standards and new technologies to enhance efficiency, quality, and system performance. 

• Research, design, and implement modular and scalable software components, leveraging your understanding of the Expedia ecosystem and current industry trends. 

• Understand business goals and constraints and articulate the impact of technical decisions on outcomes. 

• Propose high-level and detailed architectures for sustainable, long-term solutions. 

• Provide high-level estimates and break down complex tasks into actionable steps. 

• Address architectural and technical challenges, enabling informed decision-making within the team. 

• Enhance observability, monitoring, and alerting mechanisms to ensure operational excellence. 

• Optimize existing solutions to close gaps and maintain high-quality standards. 

• Advocate for and implement software design best practices, including unit testing, programming for resiliency, and scalability. 

• Coach and mentor developers, offering guidance and sharing knowledge to support their professional growth. 

• Actively participate in or lead communities of practice, building expertise and fostering shared learning. 

• Communicate the status of high-level projects and milestones to local tech leadership through written or oral means. Ensure thorough and complete documentation. 

• Document designs, best practices, and implemented solutions for team and organizational benefit. 

Experience and qualifications:   

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field, or equivalent industry experience. 

• Technical degree preferred, with hands-on project experience. 

• 8+ years of experience for Bachelor's degree holders or 6+ years for Master's degree holders. 

• Self-starter consistently looking to innovate and enhance customer experiences, with the ability to own solutions end-to-end. 

• Strong technical proficiency, capable of problem-solving and applying critical thinking. 

• Deep understanding of software design principles, algorithms, and data structures, with a commitment to technical excellence. 

• Strong communication skills and highly effective collaborator. 

• Able to articulate ideas to teammates, peers, and leaders, providing details and supporting ideas with data where applicable. 

• Incorporate others' input and feedback and strive to find common ground. 

• Proven experience leading the end-to-end design and implementation of complex, multi-quarter projects. 

• Hands-on experience working in decentralized teams and mentoring individuals. 

• Demonstrated contributions to the engineering community, such as blog posts, open-source contributions, or tech talks. 

• Proficient in backend technologies (Java, Kotlin, GraphQL/RESTful APIs). 

• Experience building on cloud infrastructure (AWS preferred) with sound architectural patterns and scalable, cost-efficient production-quality systems and CI/CD tools (Jenkins, GitHub Actions). 

• Advanced skills in unit, integration, and end-to-end testing with tools like JUnit, Mockito, Jest, Cypress, or Selenium. 

• Ability to design highly complex systems and guide cross-team integrations. 

• Advocate for best practices in software design and operational excellence. 

• Establish robust testing, monitoring, and alerting mechanisms. 

• Solve business problems by aligning team goals with organizational needs. 

• Enjoy and take pride in the work of your team, focusing on the team's success and leading by example. 

• Employ systems thinking to analyze issues and implement holistic, efficient solutions.