Marriott International

Software Engineer (AI Agents)

Marriott International  •  Cork, IE (Hybrid)  •  21 hours ago
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Job Description

A Software Engineer (AI Agents) is an entry to mid‑level role responsible for building AI agents and agentic experiences for business use cases using the Marriott's AI Platform. This role offers an opportunity to grow technical skills in AI/ML development while contributing to real business solutions that leverage AI capabilities. You will also work and learn from a team of seasoned professionals who push it to the limit whenever it's possible. This team strives for operational excellence, building the best software we can because it's our teammates who need to maintain it. If you are the type of person who adds the extra comment to code or checks for extra edge cases beyond the documented acceptance criteria, this is the role for you.

The ideal candidate has foundational software engineering skills and is ready to grow their expertise in AI agent development, LLM integrations, and building AI solutions for business use cases. The desire to continue to grow and learn every day is essential for success in this role. The landscape changes daily, and we are changing with it.

Key Responsibilities

  • Implement AI agents and agentic workflows under the guidance of senior engineers.
  • Write clean, maintainable code following team coding standards and best practices.
  • Participate in code reviews and learn from feedback from peers and senior engineers.
  • Write unit tests and integration tests to ensure code quality and reliability.
  • Debug and fix bugs in existing agent implementations.
  • Collaborate with team members and business stakeholders to understand requirements and deliver solutions.
  • Integrate AI agents with business systems, databases, and APIs.
  • Contribute to technical documentation and knowledge sharing.
  • Learn and apply new AI/ML technologies and tools as needed.
  • Participate in team meetings, standups, and technical discussions.
  • Work with monitoring and observability tools to understand agent behaviour.
  • Assist with production support and incident response as needed.

Essential Requirements

  • 3+ years' commercial experience building and delivering complex web applications
  • Strong appetite to move into AI and agentic engineering

Required Qualifications

  • Proven experience delivering production-grade software to a large user base (100k+)
  • Proficiency in Python, TypeScript, or JavaScript.
  • Desire to work in a high-functioning, self-organising team where no task is out of scope.
  • Understanding of software engineering fundamentals (data structures, algorithms, design patterns).
  • Basic understanding of modern DevOps concepts, provisioning cloud services, and delivery pipelines.
  • Basic understanding of REST, GraphQL, or SOAP APIs and web services.
  • Familiarity with databases (SQL or NoSQL).
  • Strong problem‑solving skills and attention to detail.
  • Good written and verbal communication skills.
  • Ability to work collaboratively in a team environment.
  • Ability to manage tasks independently
  • Interest in understanding business processes and requirements.

Preferred Qualifications

  • Experience with AI/ML concepts or LLM integrations.
  • Exposure to agent frameworks (LangChain, AutoGPT, etc.).
  • Experience with cloud platforms (AWS, Azure, or GCP).
  • Familiarity with containerization (Docker) and container orchestration.
  • Experience building CI/CD pipelines and automated testing.
  • Experience with observability tools (logging, metrics, tracing).
  • Familiarity with prompt engineering concepts.
  • Prior internship or work experience in software engineering or AI/ML.

Why This Role Matters

Marriott's Software Engineers are the driving force behind our continuous software evolution. You'll contribute to projects that solve real business problems, positively affecting millions globally. This role has an impact on every type of user we have, from guests at the hotel all the way to the people at our global call centers. We're looking for enthusiastic builders eager to learn and create impactful solutions. This role is designed for substantial technical growth, enabling you to become an even more accomplished software engineer. Benefit from senior mentorship and exposure to cutting-edge AI, establishing a strong path into AI agent development.

This position operates on a Remote/hybrid working model.

Marriott International

About Marriott International

Marriott International, Inc. is based in Bethesda, Maryland, USA, and encompasses a portfolio of approximately 9,000 properties across more than 30 leading brands in 141 countries and territories.

Its heritage can be traced to a root beer stand opened in Washington, D.C., in 1927 by J. Willard and Alice S. Marriott.

Marriott International is an equal opportunity employer committed to hiring a diverse workforce and sustaining an inclusive culture. Marriott International does not discriminate on the basis of disability, veteran status or any other basis protected under federal, state or local laws.

Community Guidelines: We reserve the right to remove without any notice content that we determine in our sole discretion is offensive or illegal, contains personally identifiable information, trademarks or copyrights belonging to a third party, advertises a third party’s products or services, or is otherwise inappropriate.

Application Tips: We encourage job seekers to protect themselves from email and recruiting scams. Please note: 1) We do not accept applications via email or fax; 2) We never ask for money as part of the application process; 3) We only contact job applicants from approved email domains. Please find more information about Marriott International’s job application process and approved email address domains here: http://www.careers.marriott.com/tips-for-applying/

Industry
Travel & Hospitality
Company Size
10,000+ employees
Headquarters
Bethesda, MD
Year Founded
Unknown
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