Senior Software Engineer
C. Mack Solutions, LLCVirginia, United States
Posted January 30, 2026
Full Time
About the Company
C. Mack Solutions, LLC is a technology consulting firm that delivers software development, testing, and agile-based solutions to public sector clients, including federal government programs. The company specializes in modernizing legacy systems, building full-stack Java applications, and providing business analysis and test engineering services to ensure high-quality, mission‑critical software deployments.
Job Description
CMS is currently seeking Senior Software Engineers to support a multi-year modernization effort for a customer based in Ashburn, VA. Resources will be members of highly effective Agile teams that are passionate about cutting edge solutions.
Requirements
- Must live within the DC, MD, VA area.
- U.S. Citizenship is required. Must be able to obtain CBP Public Trust clearance.
- Bachelor's degree plus at least 7 years of work experience
- At least 5 years of experience developing Java applications and associated frameworks
- At least 3 years of development experience using JavaScript and/or JavaScript frameworks like Angular
- At least 3 years of experience working in a story-based Agile team development environment using Jira or a similar tool
- At least 3 years of experience working in an automated development environment, using CI/CD tools such as Git, Kubernetes, Jenkins, SonarQube
- Experience with Spring and Spring Boot
- Experience with Hibernate or MyBatis
- Experience writing automated unit tests
- Experience developing against relational databases (e.g., PostgreSQL, DB2, Oracle)
- Experience working to translate business requirements into working code
- Experience developing in and deploying to a Cloud environment (such as Amazon Web Services)
- Strong communication skills, both written and verbal
- Ability to collaborate with team members to ensure client needs and expectations are met or exceeded