WEX is seeking a Software Development Engineer 3 to join our engineering team in Maine. In this role, you will design, develop, and maintain scalable software solutions that power our payment technology platform and digital financial services. As a Software Development Engineer 3, you will collaborate with cross-functional teams to analyze requirements, architect robust applications, and implement high-quality code using modern development practices. Your responsibilities include writing clean, efficient code, participating in code reviews, troubleshooting production issues, and mentoring junior engineers. You will also contribute to technical design discussions and help improve development processes and system performance. Required qualifications include a bachelor's degree in computer science or a related field and at least five years of professional software development experience. Candidates must demonstrate strong proficiency in object-oriented programming languages such as Java, C#, or Python, along with experience building and deploying applications in cloud environments. Key skills required for this position include expertise in software architecture, database design, RESTful API development, and agile methodologies. Experience with containerization technologies, CI/CD pipelines, and test-driven development is highly valued. Strong analytical thinking, problem-solving abilities, and excellent communication skills are essential for success in this collaborative environment. WEX is a leading provider of corporate payment solutions and financial technology services, helping businesses manage and optimize their payment processes across multiple industries. We foster a culture of innovation, continuous learning, and teamwork where engineers can make meaningful contributions to products used by millions. We offer a comprehensive benefits package including competitive compensation, health and wellness programs, retirement savings plans, and generous paid time off. Employees enjoy flexible work arrangements and access to professional development resources. Growth opportunities at WEX include technical leadership tracks, specialized training programs, and pathways to senior engineering or architectural roles. We support career advancement through mentorship, internal mobility, and exposure to cutting-edge technologies in the fintech space.