**Title:** Sr. Developer, Web Services **Location:** United States-Illinois-Wood Dale **Job Number:** 15574 The Senior Web Services Developer will work as a member of a team that designs, develops, tests, troubleshoots, and supports web services developed using modern languages and different frameworks. This role can include but is not limited to creating new web services, invoking external web services, modifying existing web services, fine tuning and configuring existing web services host settings. **What will you be responsible for:** + Design, develop, maintain, and test RESTful or SOAP web services using Java or Python, and if necessary, using other software development stacks or web service technologies. + Work with product design teams and company leaders to gather and analyze requirements to create API solution designs. + Help key stakeholders identify, assess, and balance relevant constraints. Identify, communicate, and help mitigate relevant technological and business risks. + Collaborate with and support backend database and UI development teams. + Serve as an API resource to give guidance, instruction, and direction to API support staff. + Participate in all steps of the software development lifecycle to create and modify software, following Agile methodologies. + Work independently as part of an Agile SCRUM team, balancing the need for rapid delivery with the sustainability of developed applications. + Follow the change management, source code management, CI/CD practices, and support all the DevOps practices in use here. + Ensure well-written, testable, and high-quality code is produced, while ensuring the success of application by coding to best practices that meet enterprise-class non-functional requirements such as performance, availability, and scalability. + Peer review code written by other developers. + Perform testing of code/projects to ensure accuracy, integrity, and completeness. + Resolve issues both with production systems and those affecting project scope, quality, effort, risk, and timeline. + Support the evaluation of emerging technologies and the usage of platform components. Qualifications: **What you will need to be successful in this role:** + A minimum of 8 years in Software Development. + A Bachelor of Arts or Science degree or four years of experience directly related to the position. + Experience in at least one object-oriented language (e.g., Java, C , Python, or C#), familiar with web frameworks for these languages (like Spring Boot for Java, Flask for Python), and ability to use these to create backend RESTful APIs. + Experience with Docker images and containerization. + Experience with SQL and NoSQL databases, and familiarity with ORM (Object-Relational Mapping) tools like Hibernate. + Experience with API security, including authentication and authorization mechanisms such as API keys, basic authentication, OAuth2, TLS Mutual Authentication, and IP restriction. + Experience with modern CI/CD pipelines using DevOps tools. **Valuable qualifications for the role include:** + Experience with Kubernetes cluster management. + Experience with databases' CDC (Change Data Capture), message queues such as Kafka, and stream processing with Apache Flink and Apache Spark. + Knowledge of microservice architecture, distributed systems, and event-driven architecture. + Proficiency in cloud services, especially Azure Cloud, including Azure App Services, Azure Kubernetes Service, API Management, Application Gateway, Azure Active Directory, Azure Cache for Redis, Azure Key Vault, Application Insights, Azure Event Hub, Azure Container Registry, and Azure DevOps, among others. **The rewards of your career at AAR go far beyond just your salary:** + Competitive salary and bonus package + Comprehensive benefits package including medical, dental, and vision coverage. + 401(k) retirement plan with company match + Generous paid time off program + Professional development and career advancement opportunities **Physical Demands/Work Environment:** The physical demands and work environment characteristics described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. + Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. + While performing the duties of this job, the employee may be regularly required to sit, stand, bend, reach and move about the facility. + The environmental characteristic for this position is an office setting. + Candidates should be able to adapt to a traditional business environment. AAR provides accommodation in accordance with applicable laws through all stages of the hiring process. If you require accommodation for any part of the application and/or hiring process, please advise Human Resources. \#LI-MA1 We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.