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Marriott International Logo

FLEX Senior Python Developer

Marriott International

$47 - $84
Sep 10, 2025
Bethesda, MD, USA
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Marriott International is looking to revolutionize how their application teams provision environments, manage access, and ship products at scale by building a next-generation Internal Developer Portal. This greenfield project aims to transform enterprise-scale platform engineering from the ground up.

Requirements

  • 7+ years of software development experience with strong Python expertise
  • Proven track record building production RESTful APIs, preferably with FastAPI
  • Deep understanding of Python best practices, design patterns, and ecosystem tools
  • Experience with AWS services and cloud-native architecture
  • Strong knowledge of PostgreSQL, DocumentDB/MongoDB, and Redis
  • Excellence in writing clean, maintainable, well-tested code
  • Experience with containerization (Docker, Kubernetes, Helm)

Responsibilities

  • Design and Build APIs: Create robust, scalable RESTful APIs using FastAPI and Python best practices to power our developer portal's core functionality
  • Drive Automation: Develop Python-based automation scripts and workflows that eliminate manual processes and accelerate development velocity across the organization
  • AI Integration: Implement cutting-edge AI integrations and intelligent features that enhance the developer experience and provide smart insights
  • Platform Architecture: Collaborate on architectural decisions for a platform handling environment provisioning, access management, application information, and environment management at enterprise scale
  • Cloud Infrastructure: Leverage AWS services to build resilient, performant solutions
  • Mentorship: Guide and mentor team members, sharing your expertise to elevate the entire team's capabilities
  • Cross-functional Collaboration: Work closely with frontend engineers, DevOps, and stakeholder teams to deliver end-to-end platform features

Other

  • This is a temporary position.
  • Self-motivated problem solver who thrives in greenfield development
  • Strong communication skills and ability to work effectively in small, agile teams
  • Platform engineering or developer portal experience
  • Quarterly travel (3-4 days) for PI Planning sessions