Location
London, City of

Hours
Full Time

Salary
Competitive, commensurate with experience

About the Role
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 - 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.

In the B2B division, we bring Expedia Group's innovative technology and distribution solutions to partners across the world. These businesses include global financial institutions, corporate managed travel, offline travel agents, global travel suppliers (like major airlines), and many more. As a Software Development Engineer III within B2B, you will be a key technical contributor building scalable, high-quality software solutions that power our global partner ecosystem. You will mentor junior engineers, lead complex engineering initiatives, and help shape the technical direction of our products and systems.

In this role, you will:
- Lead the design, development, and delivery of complex systems and APIs consumed across the business unit
- Mentor junior engineers, providing technical guidance and leading code evolution through structured code reviews
- Proactively collaborate with peers across the organization to identify cross-dependencies and engage in shared problem-solving
- Design software that is clean, maintainable, modular, and optimized, applying software design principles, data structures, and design patterns
- Test, debug, and resolve production issues within established SLAs, ensuring software consistently meets design requirements
- Identify areas of inefficiency in code or system operations and propose actionable improvements
- Contribute to a community of practice, sharing new skills and technical knowledge to increase overall team effectiveness
- Present findings on major operational or technical initiatives (e.g., Root Cause Analyses) to broader stakeholder groups, both in written and verbal formats
- Apply knowledge of software frameworks, databases, and database design principles to develop robust, effective data solutions
- Bring together stakeholders with varied perspectives to develop solutions and contribute actionable recommendations

Experience
- Bachelor's degree in Computer Science, Engineering, or related technical field; or equivalent related professional experience with 5+ years of software development experience; OR Master's degree in Computer Science, Engineering, or related technical field; or equivalent related professional experience with 3+ years of software development experience
- Experience developing software in at least 3 different programming languages
- Experience maintaining and operating at least 4 software projects or products in production environments (e.g., bug fixing, troubleshooting, monitoring)
- Experience designing and building APIs for consumption across a business unit
- Knowledge of software design principles, data structures, design patterns, and computer science fundamentals
- Familiarity with testing and monitoring tools, with the ability to design easily testable and observable software
- Ability to work both collaboratively and autonomously across cross-functional teams

About you
Motivated to mentor and lead junior engineers, with strong collaboration skills and a proactive approach to problem-solving. You thrive in a fast-paced environment and are passionate about building scalable, maintainable software that delivers value to global partners.

Qualifications
Relevant degree in Computer Science, Engineering, or related technical field, or equivalent professional experience as detailed above.