Team: AI Platform Engineering, WEX Inc.
At WEX, we’re transforming how businesses operate by embedding advanced AI into our global payments and mobility platforms. The AI Engineering team enables product development groups across WEX to build, deploy, and scale AI-powered experiences quickly and safely. We’re cloud-first, automation-driven, and passionate about building systems that make AI a core part of our products—reliably, securely, and at scale.
If you’re excited by Large Language Models, Agentic AI systems, MLOps, and cutting-edge production pipelines—and you thrive in fast-moving teams where innovation meets real-world impact—this is the role for you.
Lead the design, implementation, and production deployment of machine learning and AI-driven systems—including LLM-based and agentic applications.
Partner with AI platform and product engineering teams to integrate advanced AI capabilities into WEX’s enterprise systems.
Design and maintain ML pipelines, from data ingestion to model deployment, ensuring scalability, observability, and reusability across teams.
Build and expose AI functionality via RESTful APIs and micro-services architectures.
Champion engineering best practices: CI/CD, infrastructure-as-code, testing automation, and continuous improvement.
Contribute to architectural decisions with a focus on security, compliance, and performance—especially in regulated industries such as payments and healthcare.
Collaborate cross-functionally with data scientists, ML engineers, and business stakeholders to align technical solutions with strategic goals.
12+ years of professional software or ML engineering experience, with a track record of deploying production-grade AI systems.
Proficiency in Python and key machine learning frameworks (PyTorch, TensorFlow, or similar).
Strong working knowledge of core libraries (NumPy, Pandas, scikit-learn) and LLM development frameworks (LangChain, ADK, or similar).
Experience with cloud platforms (AWS preferred; Azure or GCP also valuable) and Infrastructure-as-Code tools like Terraform.
Deep familiarity with CI/CD pipelines and DevOps practices using GitHub Actions or similar platforms.
Demonstrated ability to operate in agile, collaborative, high-trust teams.
Bachelor’s degree in Computer Science, Engineering, or a related discipline (Master’s preferred).
Bonus: Experience in financial systems, data compliance, or building multi-tenant Agentic AI applications.
You’ll work within a lean, high-impact engineering group that values curiosity, autonomy, and real-world problem-solving. We move fast but balance innovation with responsibility—because AI at WEX touches millions of businesses and end users.
Join us to help evolve intelligent systems that change how enterprises move money and make decisions.
Skills Required
- 12+ years of software or machine learning engineering experience
- Proficiency in Python and machine learning frameworks
- Strong working knowledge of core libraries and LLM development frameworks
- Experience with cloud platforms and Infrastructure-as-Code tools
- Bachelor's degree in Computer Science, Engineering, or related discipline
WEX Inc. Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about WEX Inc. and has not been reviewed or approved by WEX Inc..
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Leave & Time Off Breadth — Leave offerings are portrayed as a standout, with generous PTO and additional paid time for volunteering. Time-off flexibility is also positioned as a meaningful part of the overall rewards experience.
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Retirement Support — Retirement benefits are presented as strong, including a 401(k) match that is described as competitive. This element appears to materially strengthen the total rewards package even when cash compensation feels less compelling.
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Strong & Reliable Incentives — Variable compensation is sometimes framed positively through bonuses and uncapped earning potential in sales-oriented roles. Stock options are also cited as an additional reward component that can improve perceived total compensation.
WEX Inc. Insights
What We Do
We simplify complex payment systems for fleets, corporate payments, and healthcare—unlocking insights, opportunities, and efficiencies to give you greater control of your business. Powered by the belief that complex payment systems can be made simple, WEX (NYSE: WEX) is a leading financial technology service provider across a wide spectrum of sectors, including fleet, travel and healthcare. WEX operates in more than 10 countries and in more than 20 currencies through approximately 4,900 associates around the world. WEX fleet cards offer approximately 14 million vehicles exceptional payment security and control; our travel and corporate solutions business processes over $35 billion of purchase volume annually; and the WEX Health financial technology platform helps 343,000 employers and more than 28 million consumers better manage healthcare expenses.
