> Markdown version of [/jobs/ext/3423836-senior-applications-developer-engineer](https://www.wearedevelopers.com/jobs/ext/3423836-senior-applications-developer-engineer). 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 Applications Developer/Engineer - **Company:** Eliassen Group - **Location:** Germantown, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, Confluence, JIRA, Microsoft Azure, Software Quality, Code Review, Databases, DevOps, Programming Tools, Python (Programming Language), NoSQL, Software Engineering, SQL Databases, Google Cloud, Enterprise Software Applications, Information Technology, Atlassian Tools, Bitbucket, Programming Languages - **Published:** September 25, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9196262/senior-applications-developerengineer ## About the Role * Bachelor's degree in Computer Science, Engineering, or related field * 5+ years of professional experience in software development * Proven experience with Atlassian development tools and frameworks * Strong proficiency in Java, Python, or equivalent programming languages * Experience with database systems (SQL, NoSQL) * Excellent problem-solving skills and attention to detail * Strong communication and teamwork abilities Preferred Qualifications: * Experience with cloud platforms (AWS, Azure, GCP) * Knowledge of DevOps practices and CI/CD pipelines * Familiarity with Agile methodologies ## Description Description: On-site in either Germantown, MD or Lemont, IL or Oak Ridge, TN Our client seeks a Senior Applications Developer/Engineer to lead Atlassian-centric development initiatives. This role involves designing, developing, and deploying enterprise-level applications using Atlassian tools and technologies., * Design, develop, and deploy scalable applications using Atlassian tools (Jira, Confluence, Bitbucket) * Collaborate with cross-functional teams to define, design, and ship new features * Ensure the performance, quality, and responsiveness of applications * Identify and correct bottlenecks and fix bugs * Help maintain code quality, organization, and formulation * Participate in code reviews and provide mentorship to junior developers