Backend Software Engineer Intern - C#, Cloud Security & AI (Undergraduate)

WEX is a global commerce platform that has been simplifying the way businesses operate for over 40 years. Our purpose is simple: to reduce administrative burdens, streamline payments, and manage mobility. With a team of over 7,200 professionals across 16 countries. Our specialties are employee benefits, business payments, and fleet/mobility solutions. We support more than 20 million SaaS accounts, 8 million Health Savings Accounts, and 19+ million vehicles worldwide. We're a growing company with a history of innovation and a focus on our customers, making this a great place to grow your career. The WEX Summer Internship Program: Learn, Lead, and Make an Impact Our 13-week paid internship program, running from late May to mid-August, is a chance for you to gain real-world experience and develop your skills. Recruiting begins in September and continues through November at our various locations across the U.S. You won't just be a bystander; you'll work on impactful projects and contribute to WEX’s mission. We provide mentorship, professional development, and weekly learning experiences to help you build confidence and leadership skills. High-performing interns may even get the chance to lead their own initiatives. We offer remote, hybrid, and onsite options for flexibility, and our goal is to bring top interns back full-time or offer them extended roles during the school year. Imagine starting your career with a company that’s building what's next. Your future starts here. About the Team/Role: As a Software Engineer Intern, you will work alongside engineers and Product Managers to tackle complex distributed systems challenges. In an evolving tech stack driven by AI-assisted and spec-driven development, you will focus on core software engineering principles, building backend components, and experimenting with AI agents in the cloud.

How you'll make an impact

Engineered Backend Solutions: Write clean, scalable code using C# / .NET based on strong Object-Oriented Program