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FLEX Senior Prototype Engineer R and D - AI Studio at Marriott Job Description This is a temporary position. Senior Prototype Engineer (R&D), AI Studio at Marriott Position Overview Ship concept-to-click demos in a single sprint. Your prototypes de-risk business ideas, showcase agentic enablement , and feed future production backlogs. Key Responsibilities Rapidly build PoCs with LangChain, LlamaIndex, CrewAI/Autogen, or in-house frameworks. Orchestrate demos with MCP servers to simulate multi-agent negotiations (availability, pricing, guest services). Spin up wizard-of-oz voice, chat, or AR experiences; instrument NPS and clickstream analytics. Log prompts/responses; annotate hallucinations for future fine-tuning datasets. Produce concise README and hand-off kits for the Delivery team to industrialize winning prototypes. Qualifications 7+ years of experience in building PoCs with AI frameworks and creating interactive experiences. Portfolio of week-long prototypes (links, GIFs, or repo PRs required). Deep prompt-craft and chain-of-thought debugging skills. Comfortable live-coding from a blank editor and articulating business impact. Familiar with lightweight guardrails, cost profiling, and autonomous-agent orchestration. Preferred Skills Experience running guest pilots or A/B tests in hospitality or travel tech. Knowledge of generative voice synthesis or multimodal UX libraries. The pay range for this position is $47.35 to $84.09 per hour. Washington Applicants Only: Employees will accrue 0.0334 PTO balance for every hour worked and are eligible to receive a minimum of 9 holidays annually. FLEX opportunities offer coverage for medical, dental, vision, and other benefits. Benefits are subject to terms and conditions, including eligibility, enrollment, waiting periods, contribution limits, and others. Marriott HQ supports a hybrid work environment. Positions are considered hybrid for candidates within commuting distance to Bethesda, MD; remote options are available for others. The application deadline is 14 days after this posting, on May 20, 2025. Marriott International is an equal opportunity employer committed to diversity and inclusion, ensuring non-discrimination based on disability, veteran status, or other protected classes. About the Team Marriott International is the world's largest hotel company, offering numerous brands, hotels, and growth opportunities for associates. Join us to do your best work, find your purpose, belong to a global team, and become the best version of yourself. #J-18808-Ljbffr