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Mid-Level AI / Machine Learning Engineer

Wex

$87,000 - $115,000
Sep 11, 2025
Boston, MA, USA • Seattle, WA, USA • San Francisco, CA, USA • Dallas, TX, USA • Chicago, IL, USA • Portland, ME, USA
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WEX is looking to integrate artificial intelligence into the core of its product and business by developing innovative AI platforms and solutions that enhance decision-making and create groundbreaking products.

Requirements

  • Proficiency in at least one of the languages mentioned above
  • Experience in commonly used LLM models and/or ML packages including deep learning.
  • Strong data manipulation skills
  • Solid understanding of probability and statistics concepts (distributions, Bayesian inference, maximum likelihood estimation, etc.)
  • Experience with software development and the SDLC
  • Experience with Cloud technology such as AWS
  • Familiar with Kubernetes

Responsibilities

  • Design, test, code, and instrument AI/ML platforms/tools.
  • Develop, evaluate, deploy, and monitor AI/ML models.
  • Develop and maintain CI/CD pipelines using tools such as GitHub Actions.
  • Implement Infrastructure as Code (IaC) using tools like Terraform.
  • Support live platforms/systems, promote proactive monitoring, rapid incident response, and continuous improvement.
  • Analyze existing platforms/systems and processes to identify bottlenecks and opportunities for improvements.
  • Collaborate with stakeholders to learn about our customers' needs and challenges.

Other

  • This is a remote position; however, the candidate must reside within 30 miles of one of the following locations: Portland, ME; Boston, MA; Chicago, IL; Dallas, TX; San Francisco Bay Area, CA; and Seattle/WA.
  • Bachelor's degree in Computer Science, Software Engineering, or related field; A Master or PhD in the area of AI/ML is a big plus
  • Demonstrated ability to collaborate with stakeholders throughout the product delivery lifecycle
  • Evidence of innovative problem-solving skills
  • Experience in the financial industry a plus