Director of Engineering – Backend & Agentic AI - WEXWEXUS - Maine

WEX is a global leader in financial technology solutions, based in Portland, Maine, United States, with over 7,000 WEXers across 40+ countries. We simplify the complexities of payment systems across industries such as Fleet, Corporate Payments, and Benefits. Whether managing employee benefits, streamlining B2B payments, reducing fuel costs, or modernizing fleet operations, WEX solutions help reduce administrative burdens and drive efficiency.

Scope of RoleWe are seeking a seasoned Director of Engineering in the WEX OTR organization. This role will lead engineering efforts for core services supporting OTR experiences products.

OTR is a global team based in the USA, India, and Brazil. OTR systems provide fleet management and payments-centric SaaS solutions to a wide range of customers. These solutions enable modernization of web applications, credit issuance for fleet companies, and intelligent spend controls for fleet operations.

This role will play a key part in leading initiatives that involve building AI-driven agents from the ground up, while also driving the development of scalable backend systems and APIs that power OTR products.

As a Director of Engineering, you will:Analyze OTR products to identify cross-cutting capabilities and define a long-term engineering vision

Lead initiatives focused on building and scaling AI-driven agents, alongside robust backend services

Define and implement a comprehensive architectural roadmap, including backend systems and API strategy

Drive development of scalable, reliable backend APIs and services that support OTR experiences

Foster a culture of innovation, collaboration, and continuous improvement within engineering teams

Continuously improve engineering efficiency and reduce time-to-market through strong development practices

Collaborate across OTR engineering teams to reuse components and standardize development practices

Build, lead, and grow high-performing engineering teams

Partner closely with product