Senior Software Engineer (Python)

Dear Candidate,

Before submitting your resume, please pay attention to the location – we will not be able to review your resume and provide feedback if you are not (in fact) located in the location of the vacancy.

Thanks for understanding

Who we are:

We believe that we are better together, and we welcome you for who you are. Our workplace is for everyone, just like our people-powered platform. We want you to bring your unique perspective and experiences so that together we can revolutionize travel and uncover the best experiences out there.

Our team focuses on building AI services and data products to support both internal and external platforms. Our mission is to collaborate closely with data scientists to develop and scale shared AI services and products. With a vast user base of over 400 million monthly active visitors and operations spanning multiple cloud environments, some of our internal services handle tens of thousands of requests per second. Our data operates at a petabyte scale, requiring scalable, efficient, and reliable solutions to meet this level of demand.

We are seeking a highly skilled and experienced Senior Software Engineer to lead the development and optimization of complex backend systems and services. This role involves architecting and scaling microservices to orchestrate business logic for vector databases, machine learning models, LLMs, ML features, and other critical backend components. The Senior Software Engineer will be responsible for designing and implementing robust APIs and backend solutions to ensure the seamless deployment, scalability, and operation of AI-driven services and products. Additionally, this position includes mentoring junior engineers, leading technical discussions, and providing strategic direction to ensure the success of AI and data initiatives.

What you’ll do:

• Work closely with data scientists, machine learning engineers, and cross-functional teams to design, implement, and maintain complex backend systems, ensuring seamless integration with other products. Lead the development of new features and enhancements from concept to implementation.
• Architect backend services required for hosting, serving, and connecting to machine learning models or AI-powered applications, ensuring solutions are scalable, efficient, and robust.
• Design and implement APIs to facilitate communication between client systems and machine learning components, ensuring they are well-documented, versioned, and provide a clear interface for integration.
• Implement best practices for performance, scalability, and reliability.
• Develop and maintain CI/CD pipelines for automated testing, deployment, and monitoring, ensuring high standards for code quality, reliability, and security.

Mentor junior engineers, provide technical guidance, and lead code reviews to uphold high standards of software development.

On-Call Expectations

• Each team member is expected to participate in our mandatory on-call program.
• Each on-call shift is scheduled for 1 week at a time
• Shifts rotate every 6 weeks and will occur less frequently as more engineers are hired and onboarded to the program
• Full shifts or partial days within a shift are swappable with advance notice. Shift swapping is to be coordinated amongst the impacted team members.
• While on-call, a team member may be paged at any point 24×7. This includes, but isn’t limited to: sleeping hours, weekday nights, holidays, etc. Team members are expected to respond to the page and take necessary action as described in our official policies.