Our client, a leader in data-driven solutions, is seeking a Senior AI Engineer to contribute to their AI-driven innovation projects in the US. This role is part of a larger company's strategy leveraging Generative AI (Gen AI) to enhance workflows, decision-making, and data management of the enterprise solutions in tax, auditing and risk management used by the largest companies in the world. This is a long-term remote-first contract position with a required overlap of US working hours (2-6 PM CET) . Role & Responsibilities As a Senior AI Engineer , you will: Develop and maintain scalable back-end services using Fast API and other modern frameworks. Ensure seamless integration with front-end applications and external services through well-designed RESTful APIs. Leverage cloud infrastructure (Azure Functions, Azure Storage) for hosting and scaling applications. Implement security best practices for API authentication (OAuth, JWT) and data protection. Work on Gen AI-driven applications , utilizing frameworks such as Lang Chain, Llama Index, vector databases, and agentic frameworks .



Containerize applications using Docker for environment management. Requirements Expertise in Python for back-end development. Experience with Fast API, Pandas, and Num Py for building scalable RESTful APIs. Experience with Retrieval Augmented Generation (RAG). Proficiency in Prompt Engineering . Experience with MCP/Fast MCP Knowledge of vector databases and embedding models. Familiarity with frameworks such as Lang Chain, Lang Graph, and Llama Index. Ability to work with large datasets and perform data cleaning, transformation, and manipulation. Cloud Services : Hands-on experience with AWS/Azure/GCP and cloud-based hosting. Asynchronous Programming : Understanding of async patterns to improve performance. Containerization : Familiarity with Docker for application deployment. Security Best Practices : Knowledge of API authentication methods such as OAuth and JWT . Ability to participate in t

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