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WEX Logo

Sr. AI Scientist

WEX

$135,000 - $180,000
Aug 15, 2025
ME, US
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WEX is looking to leverage AI/ML applications to drive innovation across industries such as fleet & EV, Health Benefits, and Corporate Payments, addressing complex, real-world problems for both internal and external customers.

Requirements

  • Advanced experience with statistical software (e.g., R, Python) and database languages (e.g., SQL)
  • Experience aligning generative AI and advanced analytics with business objectives through iterative experimentation, rapid prototyping, and stakeholder engagement.
  • Proven experience designing and deploying Agentic AI workflows, enabling autonomous, goal-driven decision-making processes in dynamic business environments.
  • Comfortable integrating foundation models (e.g., GPT, Claude) with structured and unstructured data for real-time insights and task automation.
  • Hands-on expertise implementing RAG (Retrieval-Augmented Generation) pipelines that combine large language models with contextual enterprise knowledge bases for scalable, trustworthy AI solutions.
  • Advanced experience building, cleaning, and testing data quality for data sets preceding modeling
  • Deep understanding of modeling and statistical approaches (e.g. logistic regression, linear regression, random forests, etc.)

Responsibilities

  • Contribute to the development and implementation of AI/ML models and algorithms to drive innovation across various industries, including fleet & EV, Health Benefits, and Corporate Payments
  • Participate in rapid prototyping efforts, focusing on learning from experiments and iterating on solutions to identify the most effective approaches
  • Assist in embedding AI/ML models into web and mobile applications
  • Contribute to the development of solutions leveraging large language models and other advanced AI techniques to tackle complex problems, such as natural language understanding, text generation, and knowledge representation
  • Conduct data analysis and feature engineering to extract valuable insights and improve model performance
  • Collaborate with our AI platform team to design, develop, and deploy scalable and robust AI/ML solutions to solve business problems and improve operational efficiency
  • Monitor and optimize AI/ML models to ensure their accuracy, reliability, and performance in production environments

Other

  • Collaborate with cross-functional teams to identify and prioritize impactful use cases for AI/ML applications
  • Demonstrate creative thinking to develop innovative AI/ML solutions
  • Stay updated with the latest advancements in AI/ML technologies and apply them to drive innovation
  • Actively participate in knowledge sharing and continuous learning within the team
  • Strong problem-framing, problem-solving, project management skills, customer service, and communication skills