Principal Software Development Engineer - Advertising Technology

Our Expedia Product & Technology division builds innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees. A unified, singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences for the traveler and our partners that drive loyalty and customer satisfaction.

The goal of Media Solutions(MeSo) Tech team is to spearhead advertising products and services across many Expedia brands including BEX, Hotels.com , Portfolio Brands (COMET & Hotwire.com ), Expedia Partner Sites (EPS), and Vrbo. We help our advertisers identify travellers on EG sites, target specific traveller criteria, and then deliver the most relevant products.

As a Principal Software Development Engineer, you will propose, design and implement various initiatives. As a member of the team, you will work in alliance with global teams providing the technical expertise needed to overcome hard problems. We value rigor and innovative thinking in our development process and believe in the power of a motivated & agile development team.

In this role, you will:

• Partners with technologists across all of EG to collaboratively solve problems.

• Supports and informs EG technologists via a community of practice.

• Builds relationships with leaders across the organization to understand business problems and apply a technology lens to solve them.

• Designs a technology stack that is tied to business outcomes and our bottom line.

• Combines and shares knowledge and skills in more than one functional area to promote effectiveness in the department or business unit/function.

• Provides active mentorship and rising talent identification.

• Is known to fill in for peer engineering director as need arises in setting technical next steps in co-ordination with engineering management.

• Develops north star vision for domain in which they are focused.

• Interprets internal/external business challenges and recommends integration of the appropriate systems, applications and technology to provide a fully functional solution to a business problem.

• Identifies areas for improvement and develops innovative enhancements using available software development tools following design requirements of customer.

• Has mastered software design best practices, shapes coding methodologies and best practices and evangelizes adoption of new platform technologies.

• Advocates for designing software that is scalable, resilient and stable.

• Has deep knowledge of entire system and can jump into code in any component and fire fight and contribute.

• Makes decisions on product technology direction based on deep subject matter knowledge.

• Expertise of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.

• Leads collaboration with key stakeholders and contributes subject matter expertise to develop unique solutions to complex issues.

• Enables optimum organizational efficiency by taking a whole systems approach and thinking across boundaries to identify which polices/processes should be standardized and which should differ.

• Provides guidance when evaluating the impacts of a solution to ensure linkages between structure, people, process and technology.

• Keeps abreast of broad industry trends and develops methods for implementing them in our environment.

• Identifies when new trends may be too disruptive for a reasonable implementation or spot the ephemerality of new trends.

• Understands that technology or automation doesnt solve every problem.

• Champions prioritized initiatives across the local organization and work with others across EG to investigate those initiatives. Ensures documentation is not overwhelming or obsolete.

Experience and qualifications:

• 12+ years of experience developing production-quality code in a professional software engineering role.

• Bachelors degree in computer science or a related technical field.

• Participated in peer s performance reviews by providing technical assessment and feedback.

• Defined software engineering/architecture best practices at a department/organizational level.

Functional/ Technical Skills:

• Makes choices across teams to apply a number of technologies or languages.

• Presents new technology choices to technical and non-technical observers.

• Serves as an expert for multiple domains.

• Proven experience working as a Backend Developer.

• Experience with cloud-based technologies like AWS and distributed real-time processing systems.

• Proficiency in Java and Kotlin.

• Experience in applying AI to practical and comprehensive technology solutions and working with Data Scientists.

• Experience with ML, deep learning, TensorFlow, Python, NLP

• Guides others to make well defined technology choices.

• Mentor other engineers (Individual Contributor I, II, III; Sr. Individual Contributor).

• Creates systems that interact across a business unit.

• Understands systems being created across Expedia Group (EG) and how own business unit would integrate with them.

• Understands and designs highly complex systems.

• Establishes standards for operational excellence and code quality at a multi-project level.

• Drives principles and practices to guide others in design of software that is easily testable and observable.

• Understands cross domain capabilities and how they integrate together.