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This position is no longer accepting applications

Closed on May 10, 2026.

Job Description

The AI and Machine Learning Developer will design and prototype advanced AI features for Johnson Health Tech Companies' mobile fitness applications, with a focus on large language models and AWS-based backend services, and will collaborate with Android developers to integrate capabilities into production apps.

Responsibilities

  • Research, design, and implement AI/ML solutions for mobile fitness applications.
  • Develop and fine-tune large language models for natural language interactions and personalization.
  • Build scalable backend services using AWS technologies such as Lambda, DynamoDB, and SageMaker.
  • Establish scalable ML operations pipelines and production-ready inference endpoints with AWS offerings including SageMaker and Bedrock.
  • Collaborate with Android developers to integrate AI features into client-side applications.
  • Create prototypes and proofs of concept for new AI-driven features.
  • Stay current with emerging AI/ML technologies and industry best practices.
  • Ensure compliance with data privacy and security standards.

Requirements

  • Bachelor’s or Master’s degree in Computer Science, Data Science, or a related field.
  • Minimum 3 years of AI/ML development experience, with a focus on Natural Language Processing and LLMs.
  • Hands-on experience deploying AI/ML solutions on AWS.
  • Proficiency in Python and ML frameworks such as TensorFlow and PyTorch.
  • Experience with RESTful APIs and a microservices architecture.

Technologies

  • Python
  • TensorFlow
  • PyTorch
  • AWS Lambda
  • DynamoDB
  • SageMaker
  • Bedrock
  • Android

Compensation

Salary: USD 99,000 - 119,000 per year. Location: Cottage Grove, WI onsite.

Benefits

  • Health and Dental Insurance
  • Company paid Life Insurance
  • 401(k)
  • Paid Time Off benefits
  • Product discounts
  • Wellness programs

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