> Markdown version of [/jobs/ext/3957366-senior-application-developer](https://www.wearedevelopers.com/jobs/ext/3957366-senior-application-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Application Developer - **Company:** KeyLogic, LLC - **Location:** Darnestown, MD, United States - **Experience:** Expert - **Salary:** $110,000.0 - $140,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), .NET Framework, Confluence, JIRA, Microsoft Azure, Cloud Computing, Data Centers, Relational Databases, Programming Tools, Eclipse (Software), IBM Websphere Application Server, Identity and Access Management, Microsoft Visual Studio, SQL Azure, Scrum Methodology, Single Sign-On, Software Engineering, SQL Databases, Information Technology, Atlassian Tools, Data Management, Software Version Control - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-application-developer-germantown-md--3321fd2a-3c63-49fd-871e-167a85c3920e ## About the Role Software Development, United States Citizen, Federal Contracts, Software Development, Background Investigation, Atlassian JIRA, Cloud Computing, Identity Data Management, Single Sign-On (SSO), Systems Maintenance, * U.S. Citizenship * Bachelor's degree in computer science * 10+ years of experience: * Designing, developing, testing, and maintaining custom Jira solutions * Software development, particularly with Java, JavaScript * Relational databases (SQL and SQL Managed Instance) * Version control systems, frameworks and tools relevant to application development * Identity and Access Management implementation and management * Identity and Access Management implementation and management * Atlassian Cloud and Migrating Jira and Confluence to Atlassian Cloud * Agile Scrum with Jira, general Jira Application Administration * Azure App Service, Azure SQL Managed Instance. Azure DevOps * Ability to coordinate and lead development activities among team members * Jira, Confluence Data Center * Eclipse, Atlassian Custom Developer Tools, Azure DevOps, Visual Studio ## Description KeyLogic is seeking a Senior Application Developer to join our growing team supporting the Department of Energy in Germantown, MD. This position supports a federal contract which requires U.S. Citizenship and candidates will need to undergo a federal background suitability check to secure building access. This position is on-site in Germantown, MD., * Plans, designs and supports migrations of Jira and Confluence to Atlassian Cloud * Provides Identity Management Expertise, including planning and maintenance of various identity systems and services (multi-factor, SSO) and authorization concepts. * Applies software updates and patches to Jira, Confluence, WebSphere. * Integrates Jira with other tools and systems * Provides technical mentorship, guidance, and expertise to a small team of developers * Builds, enhances and maintains custom solutions in Jira, Java-based and Azure .NET custom web-applications * Modernizes applications written in older technologies for new platforms * Performs requirements analysis and writes professional, detailed technical documentation * Diagnoses, troubleshoots and solves technical issues with existing applications * Provides clear communication with clients, team members and customers on video, phone and in person * Captures clear, concise and accurate technical documentation