Senior AI Engineer

โญ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior AI Engineer, remote, with a contract length of "unknown" and a pay rate of "unknown." Key skills include medical NLP, reinforcement learning, and proficiency in Python and ML frameworks. A degree in Computer Science or related field is required.
๐ŸŒŽ - Country
United States
๐Ÿ’ฑ - Currency
$ USD
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๐Ÿ’ฐ - Day rate
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๐Ÿ—“๏ธ - Date discovered
August 15, 2025
๐Ÿ•’ - Project duration
Unknown
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๐Ÿ๏ธ - Location type
Remote
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๐Ÿ“„ - Contract type
Unknown
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๐Ÿ”’ - Security clearance
Unknown
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๐Ÿ“ - Location detailed
United States
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๐Ÿง  - Skills detailed
#Computer Science #AI (Artificial Intelligence) #Python #Reinforcement Learning #Databases #Compliance #Data Science #Datasets #"ETL (Extract #Transform #Load)" #Model Evaluation #PyTorch #NLP (Natural Language Processing) #ML (Machine Learning) #Knowledge Graph
Role description
Senior AI Engineer Remote Role Overview: A highly skilled Generative AI / Large Language Model Specialist with expertise in domain-specific dataset preparation, advanced fine-tuning, and multi-step agentic system design. The ideal candidate will have hands-on experience working with medical data, along with a strong background in reinforcement learning, reward modelling, and embedding optimization. Key Responsibilities: 1. Domain-Specific Dataset Preparation โ€“ Curate, preprocess, and structure medical chart datasets, including comprehensive patient records (medical history, diagnoses, treatments, test results) while adhering to compliance and privacy requirements. 1. Tokenization for Specialized Data โ€“ Apply and optimize tokenization strategies tailored to domain-specific language, ensuring high model efficiency and accuracy. 1. Advanced LLM Fine-Tuning โ€“ Perform parameter-efficient and full fine-tuning of LLMs, incorporating reinforcement learning with human feedback (RLHF) and reward modelling techniques. 1. Model Evaluation & Benchmarking โ€“ Define and implement fine-tuned evaluation metrics, benchmark models, and analyse system performance to ensure reliability and accuracy. 1. Agentic Architecture Design โ€“ Architect and implement multi-step, reasoning-capable AI agents, leveraging embedding tuning for optimal task execution. Qualifications: โ€ข Bachelorโ€™s or Masterโ€™s degree in Computer Science, AI/ML, Data Science, or related field โ€ข Proven track record in medical NLP or domain-specific LLM projects. โ€ข Strong understanding of transformer architectures, embedding models, and prompt engineering. โ€ข Proficiency in Python and ML frameworks (e.g., PyTorch, Cuda). โ€ข Familiarity with RLHF, reward modelling, and evaluation frameworks. Nice to Have: โ€ข Prior work in multi-agent AI systems. โ€ข Experience with embedding Optimization vector databases and knowledge graphs. โ€ข Contributions to open-source LLM projects.