Sr AI Solution Engineer

CREATIVITY IS OUR SUPERPOWER. It’s our heritage and it’s also our future. Because we don’t just make toys. We create innovative products and experiences that inspire fans, entertain audiences and develop children through play. Mattel is at its best when every member of our team feels respected, included, and heard—when everyone can show up as themselves and do their best work every day. We value and share an infinite range of ideas and voices that evolve and broaden our perspectives with a reach that extends into all our brands, partners, and suppliers.

AI Solution Developer Summary We are seeking a highly skilled AI Solution Developers with deep expertise in Foundation Models and Large Language Models (LLMs). The ideal candidate will have hands-on experience building, fine-tuning, evaluating, and deploying modern AI systems, including Retrieval-Augmented Generation (RAG) architectures and production-grade AI applications. This role requires strong full-stack development capabilities combined with advanced AI knowledge to design scalable, secure, and high-performance AI-powered systems.

Key Responsibilities

• Design, develop, and deploy applications leveraging foundation models and LLMs (e.g., GPT-class models, open-source LLMs).

• Architect and implement Retrieval-Augmented Generation (RAG) systems using vector databases and semantic search.

• Fine-tune, evaluate, and optimize models for performance, cost, latency, and quality.

• Trained the model