Summary:
The Opportunity

Hyatt Hotels Corporation seeks an enthusiastic Senior Software Development Engineer in Test (SDET) to join our Digital - Marketing Technology Organization. In this role, you will be collaborating closely with the broader {Insert teams this candidate will engage with} team, where you'll be instrumental in continuing to make Hyatt a leading hospitality company. You will be part of a team that is passionate about our purpose, committed to nurturing curiosity and new skills, and building connections across the organization with colleagues, customers, and guests.

The Role

Hyatt's Marketing Technology & Personalization team powers personalized guest experiences across web, mobile, email, paid media, and on property touchpoints. Our cloud native MarTech ecosystem integrates first party guest data, AI driven decisioning, and real time orchestration to deliver meaningful, relevant interactions at global scale.

We are seeking a Software Development Engineer in Test (SDET) to join our MarTech platform engineering organization. This role is responsible for building and scaling automated test solutions for services deployed in AWS, with a strong focus on data quality, personalization logic, AI driven decisioning, and system reliability. This is a hands on engineering role that partners closely with platform, data, and product teams to ensure quality is built into the system from design through production.

Responsibilities
• Design, build, and maintain automated test frameworks for cloud native services, APIs, and event driven workflows running in AWS
• Develop integration, contract, and end to end tests validating interactions across customer data platforms, personalization engines, campaign orchestration, and downstream channels
• Embed automated testing and quality gates into CI/CD pipelines to support fast, reliable releases
• Validate personalization, segmentation, and eligibility logic across channels, regions, brands, and guest journeys
• Create reusable libraries and tooling that enable engineering teams to self service testing at scale
• Build automated tests for AI and ML driven systems, including recommendation outputs, decision logic, and optimization flows
• Ensure correctness and stability of guest data pipelines, identity resolution, and activation outputs
• Implement automated checks for schema changes, data anomalies, latency, and failure scenarios
• Partner with engineering teams to improve testability, observability, and resilience of services
• Leverage AWS native tooling and logs to support test diagnostics, debugging, and root cause analysis
• Participate in incident reviews and contribute to prevention through automated quality controls and tooling
• Promote a culture of quality engineering, automation, and shared ownership across the MarTech organization
• Coordinate larger testing efforts and sharing of best practices across teams and organizations

Qualifications:
Experience Required:
• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience
• 5+ years of experience in software engineering, test automation, or quality engineering
• Strong programming skills in Java, Kotlin, Python, or JavaScript/TypeScript the team uses TypeScript
• Experience designing and implementing service level and API test automation
• Hands on experience testing systems deployed in AWS, including microservices and serverless architectures
• Experience integrating automated testing into CI/CD pipelines
• Strong understanding of test strategy across the testing pyramid and distributed systems

Experience Preferred:
• Experience testing personalization, recommendation, or AI decisioning platforms
• Familiarity with customer data platforms (CDPs), marketing automation, or campaign orchestration tools
• Experience validating or testing machine learning model integrations
• Knowledge of data quality testing, schema validation, and contract testing
• Experience working in large scale digital, ecommerce, or consumer platforms

The position responsibilities outlined above are in no way to be construed as all-encompassing. Other duties, responsibilities, and qualifications may be required and/or assigned as necessary.

We welcome you:

Research shows that individuals tend to apply to jobs only if they meet all the listed job qualifications. Unsure if you check every box, but feeling inspired to enhance your career? Apply. We'd love to consider your unique experiences and how you could make Hyatt even better.

We value our relationships with recruitment partners and require that agencies contact us first before submitting any candidates. Hyatt will not be responsible for any fees and obligations associated with unsolicited submissions unless a formal agreement is in place.

Thesalaryrangeforthispositionis$120,000 -120,000.Thispositionisalsoeligibletoearnanannualbonus.

Thefinalpayrate/salaryofferedtothesuccessfulcandidatewilldependonexperience,skilllevelandotherqualificationsfortherole,aswellasthelocationoftheperformanceofwork.Payforthesuccessfulcandidatewillmeetlocalrequirements,includingthelocalminimumwagerate.