Senior Software Developer - TS

DescriptionSenior Software Developer – Top Secret Xcelerate Solutions is currently seeking Senior Software Developer. Come join our award-winning organization and work with some of the most talented and brightest minds in the GovCon industry. Location :Quantico, VA (Hybrid) Clearance :Top Secret Responsibilities:Design, develop, test, deploy, and maintain secure, scalable enterprise software applications using modern software engineering and Secure Software Development (SecDevOps) practices. Develop full-stack applications using ASP.NET Core, .NET Framework, Java, Python, and other modern programming languages and frameworks. Design, develop, optimize, and maintain relational database solutions using Microsoft SQL Server, Oracle Database, and other enterprise database technologies. Develop and maintain applications leveraging enterprise platforms including SharePoint and ServiceNow. Build, deploy, and maintain RESTful APIs and microservices architectures supporting distributed enterprise applications. Develop cloud-ready and containerized applications utilizing Docker and container orchestration platforms. Create, maintain, and optimize Dockerfiles and Infrastructure as Code (IaC) components supporting application deployment and container lifecycle management. Design and implement secure CI/CD pipelines supporting automated build, testing, deployment, and release processes. Configure, manage, and maintain self-hosted artifact repositories including Artifactory, Nexus Repository, NuGet, or similar repository management solutions. Apply secure coding standards, vulnerability remediation, code scanning, and software supply chain security throughout the software development lifecycle. Collaborate with DevSecOps engineers, systems administrators, architects, cybersecurity personnel, and product owners to deliver high-quality software solutions. Participate in architecture reviews, code reviews, design sessions, and technical planning activities. Troubleshoot and resolve complex software, database, and application integration issues. Develop automated unit, integration, regression, and performance tests. Produce technical documentation, system design documentation, API documentation, and operational procedures. Mentor junior developers and promote software engineering best practices across development teams. Support Agile software development methodologies, including Scrum, sprint planning, backlog refinement, and retrospectives.Minimum Requirement:Active Top Security Clearance Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline (or equivalent experience). 7+ years of professional software development experience designing and developing enterprise applications.Sec+ (or IAT Level II certification equivalent)Extensive experience developing applications using: ASP.NET Core .NET Framework C# Java Python Strong experience with Microsoft SQL Server, Oracle Database, database design, query optimization, stored procedures, and data modeling. Experience developing applications using SharePoint and/or ServiceNow platforms. Experience designing, developing, and maintaining RESTful APIs and enterprise web services. Experience developing applications for containerized environments using Docker. Experience creating and maintaining Dockerfiles and container build configurations. Experience developing and supporting microservices-based architectures. Experience implementing Secure Software Development Lifecycle (SSDLC) and DevSecOps practices. Experience configuring and maintaining artifact repositories including: Artifactory Nexus Repository NuGet Experience with source control systems such as Git. Experience with CI/CD tools and automated deployment pipelines. Strong understanding of software design patterns, object-oriented programming, and software architecture principles. Experience performing code reviews, debugging, performance tuning, and application optimization. Strong analytical, troubleshooting, and problem-solving skills. Excellent written and verbal communication skills.About Xcelerate Solutions:Founded in 2009 and headquartered in McLean, VA, Xcelerate Solutions ( is one of America's fastest-growing companies. Xcelerate’s culture is defined by our diversified workforce of dynamic and versatile professionals, supported with growth and development opportunities that contribute to individual and company growth. This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal’s “50 Best Places to Work” list as well as being a “Great Place to Work” certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. Come find out why Xcelerate Solutions is one of the top DC Metro employers!Xcelerate Solutions is an Equal Employment Opportunity/Affirmative Action Employer. We evaluate qualified applicants without regard to race, color, national origin, religion, age, equal pay, disability, veteran status, sex, sexual orientation, gender identity, genetic information, or expression of another protected characteristic. As part of this commitment to the full inclusion of all qualified individuals, Xcelerate provides reasonable accommodations if needed because of an applicant's or an employee's disability.Pay Transparency Notice: Xcelerate Solutions will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant.