Fannie Mae Careers

Sr. Software Engineer III (Java/J2EE)

Herndon, Virginia
Information Management

Job Description


Fannie Mae provides reliable, large-scale access to affordable mortgage credit in communities across our nation. We are the leading source of funding for housing in America, which means more people can buy or rent a home. We are focused on sustaining the housing recovery, improving our company, and leading change to make housing better.

Join our diverse, high-performing team and make a difference as we work together to enable access to a good home.

For more information about Fannie Mae, visit


The Capital Markets technology team is looking for a Sr. Software Engineer to help support our high-profile treasury applications in the Java and J2EE environment. You will use modern tools, techniques, and methods to develop, modify, or update our applications used by business units or infrastructure units. You will be a lead, or play lead technical role in development teams' efforts to determine unit needs and business processes that are automated by the application. Participate in or review all of the steps in the software development life cycle to create and modify the software.


  • Work with product owners and other development team members to determine new features and user stories needed in new/revised applications or large/complex development projects.
  • Create or Update documentation in support of development efforts. Documents may include detailed specifications, implementation guides, architecture diagrams or design documents.
  • Participate in code reviews with peers and managers to ensure that each increment adheres to original vision as described in the user story and all standard resource libraries and architecture patterns as appropriate.
  • Respond to trouble/support calls for applications in production in order to make quick repair to keep application in production.
  • Serve as a technical lead for an Agile team and actively participate in all Agile ceremonies. Participate in all team ceremonies including planning, grooming, product demonstration and team retrospectives.
  • Mentor less experienced technical staff; may use high end development tools to assist or facilitate development process.
  • Leverage Fannie Mae DevOps tool stack to build, inspect, deploy, test and promote new or updated features.
  • Set up and configure a continuous integration environment.
  • Advanced proficiency in unit testing as well as coding in 1-2 languages (e.g. Java, etc).
  • Advanced proficiency in Object Oriented Design (OOD) and analysis. Advanced proficiency in application of analysis/design engineering functions. Advanced proficiency in application of non-functional software qualities such as resiliency, maintainability, etc. Advanced proficiency in advanced behavior-driven testing techniques.
  • Bachelor's Degree or equivalent required    
  • 4+  years of related experience

Required Skills
  • 5+ years of experience of full-stack development/ design using Java and J2EE
  • Experience in working as a technical lead and ability to collaborate and work with stakeholders across multiple groups
  • Working experience in front-end technologies using Spring Boot and AngularJS (version 6+ highly preferred)
  • Experience with Spring Core, Spring Boot, Spring MVC, and Spring Integration
  • Experience with implementing integration solutions with RESTful Web Services and Web APIs
  • Hands-On experience with Oracle Database development and tools
  • Ability to lead multiple teams in an Agile environment

Desired Skills
  • AWS or other cloud technology experience or strong desire to work on cloud technology implementation and development
  • Application integration experience with Tableau is a plus


As a condition of employment with Fannie Mae, any successful job applicant will be required to pass a pre-employment drug screen and to successfully complete a background investigation.

Fannie Mae is an Equal Opportunity Employer.

Req ID: 55331