Senior Software Engineer - Full Stack Java/React

Overview Enterprise Mobility is a leading provider of mobility solutions, owning and operating the Enterprise Rent-A-Car, National Car Rental and Alamo Rent A Car brands through its integrated global network of independent regional subsidiaries. Enterprise Mobility and its affiliates offer extensive car rental, carsharing, truck rental, fleet management, retail car sales, as well as travel management and other transportation services, to make travel easier and more convenient for customers.

Privately held by the Taylor family of St. Louis, Enterprise Mobility together with its affiliate Enterprise Fleet Management manages a diverse fleet of 2.4 million vehicles and accounted for nearly $39 billion in revenue through a network of more than 9,500 fully-staffed neighborhood and airport rental locations in more than 90 countries and territories.

At the center of it all, our dedicated IT teams innovate, design and develop the technology that is redefining how customers rent, buy and share vehicles from our family of brands. Here, you will be part of a diverse and talented team that creates and delivers powerful technology solutions for our customers and employees across the world with the resources and support to develop in a variety of career paths.

As an Enterprise Mobility team member, we offer an excellent package with market-competitive pay, comprehensive healthcare packages, 401k matching & profit sharing, schedule flexibility, work from home opportunities, paid time off, and organizational growth potential.

This position is eligible for a hybrid work schedule, which includes the ability to work from home, while also requiring to be in person as needed at our Lakeside and/or Clayton Corporate HQ campus locations in St. Louis, Missouri.

We are committed to a fair and transparent hiring process. Candidates should expect identity verification, video interviews, technical validation of skills, and verification of employment, education, and work authorization. Falsification of information, proxy interviewing, or misrepresentation of experience or location will result in disqualification. Responsibilities The ARMS (Automated Rental Management System) Department is responsible for managing the core B2B platform that automates communication, vehicle authorizations, and billing between Enterprise Mobility and its insurance, collision repair, and dealership partners. In addition to supporting these critical external integrations, the department builds, maintains, and modernizes the underlying platform to ensure reliable, scalable rental workflows and seamless partner connectivity through APIs and a modernized user interface. This team focuses on operational support, continuous improvement, and product optimization within ARMS, directly impacting system stability and user experience across the business. The role will support production operations, partner integrations, and modernization initiatives, including API enhancements, UI improvements, and ongoing defect resolution and performance optimization. The team works closely with rental operations, product and engineering teams, and external partners to ensure efficient, accurate transactions and continuous delivery of business value.

As an Engineer 2 in the Automated Rental Management System (ARMS), you will be responsible for using your technical knowledge to solve business problems. We are looking for a talented individual who can serve as a subject matter expert in their focus area and represent their department on complex assignments. You will be responsible for evaluating technical elements of our product offerings through requirements gathering, testing, research, and investigation and make recommendations for improvements that result in increased quality. You will be required to evaluate customer needs to determine and provide high-quality solutions that align with customer expectations. In this role on the ARMS development team, you will be responsible for