Senior Analyst Machine Learning Engineer @ Express Scripts Holding

Job Information

Job Description:


  • Utilize Large Language Models (LLMs), Open Source, Machine Learning, and numerical programming frameworks, to build transformative solutions.
  • Understanding of AI Models, Large Language Models, and AI specialized infrastructure especially as it relates to AI trends and issues within businesses.
  • Work with Product Development as a Generative Artificial Intelligence (AI) subject matter expert and architect and develop scalable, resilient, ethical AI solutions.
  • Build solutions that align with responsible AI practices.
  • Work with both open source models (Tensorflow, PyTorch, Hugging Face Transformers) cloud solutions, internal solutions and external partners to deliver the best solutions
  • Optimize existing generative AI models for improved performance, scalability, and efficiency.
  • Develop and maintain AI pipelines, including data preprocessing, feature extraction, model training, and evaluation.


  • Experience working with recommendation engines, data pipelines, or distributed machine learning.
  • ┬áDegree in Computer Science, Artificial Intelligence, Machine Learning, or a related field.
  • 5 to 7 years of experience in research with sequential modeling or generative AI, deep learning architectures, and Transformers, with a strong understanding of deep learning techniques such as GPT, VAE, and GANs.
  • 3 years of experience in a technical leadership role leading project teams and setting technical direction.
  • Programming experience in C/C++, Java, Python, computer vision, self-supervised learning, transfer learning, and reinforcement learning.
  • Experience with machine learning libraries and frameworks such as TensorFlow, PyTorch, or Keras
  • Experience with natural language processing (NLP) techniques and tools, such as SpaCy, NLTK, or Hugging Face.
  • Strong knowledge of data structures, algorithms, and software engineering principles.
  • Familiarity with cloud-based platforms and services, such as AWS, GCP, or Azure.
  • Excellent problem-solving skills, with the ability to think critically and creatively to develop innovative AI solutions.
  • Strong communication skills, with the ability to effectively convey complex technical concepts to a diverse audience.
  • Possess a proactive mindset, with the ability to work independently and collaboratively in a fast-paced, dynamic environment.

Experience Level: Senior
Work From: Onsite

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