KAYAK

Full-stack Engineer

• Design, implement and maintain reliable production software for KAYAK’s travel-search and trip-planning experiences
• Build and evolve APIs and services supporting AI-assisted search, conversational travel planning, itineraries and related user experiences
• Investigate technical problems, assess trade-offs and choose practical solutions that improve reliability, performance and maintainability
• Write automated tests and contribute to unit, integration and end-to-end testing quality
• Participate in code reviews and technical discussions, providing constructive feedback focused on correctness, clarity and maintainability
• Work with engineers, product managers and designers to clarify requirements and deliver useful, accessible user experiences
• Contribute to ASK AI, smart filters, AI-generated hotel review summaries, Explore and related search experiences
• Help make AI-assisted features dependable, transparent and useful to travelers
• Learn unfamiliar systems and share knowledge through documentation, pairing and technical discussions
• Monitor and improve production behavior through debugging, observability and root-cause analysis
• Contribute to development tools, engineering processes and delivery practices
• Support KAYAK, a travel search engine and Booking Holdings metasearch brand, helping travelers find flights, stays, rental cars and vacation packages

Staff Software Engineer

• Design and deliver scalable, high-quality backend services for Retention and CRM
• Build systems powering the Trips product, user re-engagement features, and large-scale email and push notification pipelines
• Develop and improve backend services for bulk and transactional messaging at scale
• Build and maintain backend features including Trips functionality, price alerts, and personalized engagement touchpoints
• Architect and maintain integrations with third-party APIs and marketing platforms
• Lead complex features end to end from technical scoping and architecture through deployment, monitoring, and production support
• Collaborate with product managers, marketing specialists, designers, and globally distributed engineers
• Debug and optimize full-stack solutions, performance bottlenecks, data pipeline failures, and production issues
• Uphold coding standards, PR review practices, operational monitoring, alerting, and incident response
• Coach and mentor junior and mid-level engineers
• Apply emerging technologies, including AI-assisted tooling and automation, to improve productivity, personalization, and platform capabilities

Senior Software Engineer

• Lead the design and delivery of complex backend features from initial scoping through deployment and ongoing production support
• Contribute to technical design reviews and architecture discussions across teams
• Write well-tested, readable, and maintainable code
• Participate actively in code reviews and provide constructive feedback
• Mentor and support less-experienced engineers through technical guidance, knowledge sharing, and pairing
• Work with product managers and commercial partners to clarify requirements, surface trade-offs, and deliver reliable outcomes
• Participate in on-call rotations, monitor system health, investigate production issues, and write bug tickets and documentation
• Identify opportunities to improve system performance, reduce complexity, and address technical debt
• Contribute to sprint planning, refinement, retrospectives, and demos
• Use AI-assisted development tools responsibly to improve productivity, code quality, and delivery efficiency
• Collaborate across engineering, data science, and business intelligence teams to deliver integrated solutions

Senior JAVA Software Engineer, Ads

Operations

• Own the technical roadmap and operational strategy for the Kubernetes platform
• Ensure cluster reliability, scalability, and security across production and non-production environments
• Lead a team of container platform engineers
• Hire, manage performance, and develop team members
• Drive cluster lifecycle management, including upgrades, node provisioning, capacity planning, and workload migration
• Coach engineers on Kubernetes best practices, container security, RBAC design, and operational excellence
• Collaborate with software engineering, security, and infrastructure teams
• Drive adoption of infrastructure-as-code and GitOps practices
• Design and enforce Kubernetes observability standards for metrics, alerting, and dashboards
• Oversee on-call practices, incident response, and blameless post-mortems
• Align the Kubernetes platform roadmap with infrastructure and product engineering goals
• Partner with security teams on cluster hardening, network policy enforcement, and compliance requirements
• Maintain the reliability, scalability, and security of KAYAK's container orchestration platform at global scale

Manager, Kubernetes Operations

• Design, implement and maintain reliable production software for KAYAK’s travel-search and trip-planning experiences
• Build and evolve APIs and services supporting AI-assisted search, conversational travel planning, itineraries and related user experiences
• Investigate technical problems, assess trade-offs and choose practical solutions that improve reliability, performance and maintainability
• Write automated tests and contribute to unit, integration and end-to-end testing quality
• Participate in code reviews and technical discussions
• Work with engineers, product managers and designers to clarify requirements and deliver useful, accessible user experiences
• Contribute to ASK AI, smart filters, AI-generated hotel review summaries, Explore and related search experiences
• Help make AI-assisted features dependable, transparent and useful to travelers
• Learn unfamiliar systems and share knowledge through documentation, pairing and technical discussions
• Monitor and improve production behavior through debugging, observability and root-cause analysis
• Contribute to development tools, engineering processes and delivery practices

Data Engineer

• Develop and monitor robust, scalable data pipelines using Python, SQL, and Rundeck/Airflow
• Design performant data models and optimize complex SQL queries for high-scale environments
• Build automated checks and alerts to catch errors early and maintain accurate financial and operational reports
• Automate repetitive tasks and build self-service tools to improve data access across teams
• Experiment with and leverage AI-assisted coding tools to accelerate development and enhance code quality
• Translate business questions into practical, maintainable technical solutions with partners across the company
• Build and operate the data backbone serving as the organization’s single source of truth
• Support billing and company-wide reporting and analytics

Senior Data Engineer

Manager

• Lead Supplier Relations for KAYAK for Business
• Oversee the portfolio of global preferred supplier partners, including TMC, airline, rail, lodging, car rental, ground, expense, and payment partners
• Drive global growth through new partnerships and optimization and retention of existing partnerships
• Expand the value proposition and align the KAYAK for Business strategy for suppliers and other partnerships
• Design and lead travel partner evaluations, communications, and contracting
• Collaborate with partners and internal teams on commercial opportunities and strengthen strategic relationships
• Work with customers and internal collaborators to meet current and future content and functionality needs
• Collaborate with Business Development, Account Management, Product, and Marketing teams to achieve target goals
• Help determine and prioritize technology improvements to drive additional sales to key partners
• Work with Finance on budgeting, forecasting, and supplier revenue reconciliation
• Report to the Senior Director, KAYAK for Business

Senior Manager, Supplier Relations

Engineering Manager

• Lead cross-functional agile engineering teams focused on sustaining and operational quality
• Mentor team members through technical guidance, performance feedback, and career development support
• Own the team’s technical roadmap and align priorities with engineering leadership and broader platform strategy
• Champion backend architecture decisions through design reviews and collaboration with technical leaders
• Set and enforce engineering best practices for coding, testing, code coverage, and deployment quality
• Manage day-to-day team operations, remove blockers, balance the backlog, and maintain reliability and security standards
• Collaborate with engineering managers and cross-functional stakeholders to resolve dependencies and support product teams
• Ensure business-unit-wide quality standards, processes, and SLAs
• Manage high-impact incident remediation and develop operational tools using AI-enabled technologies
• Monitor team health and delivery metrics, identify risks, and adjust priorities
• Champion agile practices and high-impact engineering culture
• Recruit and onboard frontend and backend engineering talent
• Help shape KAYAK for Business’s growing engineering hub and corporate travel technology platform

Staff Software Engineer

Senior Software Engineer

Senior JAVA Software Engineer, Ads

Manager, Kubernetes Operations

Senior Software Engineer

Senior Data Engineer

Senior Manager, Supplier Relations

Senior Engineering Manager