Backend Software Engineer Intern (Undergraduate)
About The Position
The WEX Summer Internship Program is a 13-week paid program, running from late May to mid-August, designed to provide interns with real-world experience and skill development. The program includes mentorship, professional development, and weekly learning experiences. High-performing interns may have opportunities to lead initiatives. WEX offers remote, hybrid, and onsite options, with the goal of converting top interns to full-time employees or offering extended roles. As a Software Engineer Intern on the backend team operating on AWS, you will focus on core engineering fundamentals, writing well-tested code, and responsibly using AI developer tools to accelerate delivery. You will work alongside engineers and Product Managers, designing and maintaining backend services, supporting AWS cloud operations, writing tests, and utilizing AI productivity tools while critically auditing AI-generated code.
Requirements
- Currently pursuing a Bachelor's degree in Computer Science, Machine Learning, Software Engineering, or related field and will have completed at least your Sophomore year of school at the start of the internship.
- Strong proficiency in Go (Golang) or general backend languages (Java, C, PHP) with solid software engineering fundamentals.
- Practical exposure to AWS cloud infrastructure and core cloud services.
- Experience with software testing best practices (unit testing, basic UI testing).
- Balanced awareness of modern AI development tools (Cursor, Copilot, Claude, Gemini) paired with the critical discipline to verify output.
Responsibilities
- Design and maintain backend services using Go (or Java/C/PHP) grounded in clean software engineering principles.
- Support, deploy, and manage backend systems hosted entirely on AWS cloud infrastructure.
- Write tests across unit and UI levels to validate your own code before relying on automated pipelines or AI generation.
- Use AI productivity tools (Cursor, Claude, Gemini, Copilot) to speed up tasks, applying critical thinking to audit AI-generated code while making minor front-end UI updates when needed.
Benefits
- health, dental and vision insurances
- retirement savings plan
- paid time off
- health savings account
- flexible spending accounts
- life insurance
- disability insurance
- tuition reimbursement
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What This Job Offers
Job Type
Full-time
Career Level
Intern
