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Principal AI/ML Engineer

ExecutivePlacements.com

$203,000 - $270,000
Dec 30, 2025
Portland, ME, US
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Wex is looking to solve its AI/ML engineering needs by developing a technology and platform that ensures functional richness, reliability, performance, and flexibility.

Requirements

  • Strong software development skills in his or her chosen programming language, but ready and willing to learn and program in Java and Python.
  • Good experience in building machine learning supervised and unsupervised models. Experience in Reinforcement Learning is a plus.
  • Experience in using LLM models a plus
  • Broad understanding of distributed computing frameworks like Ray and Spark
  • Demonstrable experience in Kubernetes and Terraform
  • Experience with Sagemaker a plus
  • Broad understanding of cloud architecture tools and services, such as S3, EMR, Kubernetes, Lambda functions. Experience in AWS and Azure is highly desirable.

Responsibilities

  • Lead and drive the development of technology and platform for the company's AI/ML engineering needs, ensure the functional richness, reliability, performance, and flexibility of this platform
  • Help design the architecture and lead the implementation of the AI/ML infrastructure, platform and services.
  • Guide your team to leverage data and/or AI technology or tools in your design and development for high productivity and better solution quality.
  • Partner closely with information security teams to ensure the security and privacy of data, implementing encryption and access controls as required.
  • Partner with solutions architecture and LOB product and engineering orgs on integrations of the AI/ML Platform with their products/systems, and ensure reliable and performed execution.
  • Engage with external partners and vendors to evaluate technologies and services that complement the company's AI/ML strategy.
  • Drive the technical vision and strategy of AI/ML infrastructure to serve the business needs for the near term and long term.

Other

  • Bachelor degree in Computer Science or a related field. A higher degree in a related field is a plus.
  • 15-20 years of software design and development experience at a large scale.
  • Strong written and verbal communication skills
  • Strong philosophy of continuous improvement
  • Ability to encourage and foster a culture of visibility and transparency across teams