Full Stack Software Engineer (Hybrid up to 2 days a week telework)
Confirmed on the employer's own hiring board on Nov 15, 2026. First seen by Alion on Nov 11, 2026.
Description
Markon is seeking an experienced Full Stack Software Engineer to support a customer in Annapolis Junction, MD. This role will focus on developing, enhancing, and maintaining mission-critical software applications that support the delivery of time-sensitive information worldwide. The position involves full-stack development using Java, Spring Boot, Angular, and modern container technologies to deliver new features and functionality aligned with high-priority mission requirements. The engineer will collaborate with technical teams to ensure system reliability, performance, and operational effectiveness.
Responsibilities
Design, develop, test, and maintain mission-critical software applications using Java and Spring Boot.
Develop and enhance frontend applications using Angular to support system functionality and user experience.
Build and maintain backend services using Spring Framework and Spring Cloud.
Develop, deploy, and manage containerized applications using Docker, Docker Compose, and Docker Swarm.
Design, implement, and maintain database solutions using MongoDB.
Develop new application features and functionality based on evolving mission requirements.
Troubleshoot software defects, resolve performance issues, and support system integration and testing.
Collaborate with software engineers, system engineers, and stakeholders throughout the software development lifecycle.
Participate in code reviews, maintain technical documentation, and support continuous improvement of development processes.
Provide rotating on-call support to address critical system issues and maintain operational availability.
Qualifications
Active TS/SCI clearance with Polygraph required.
Experience developing full-stack applications using Java 8 or newer.
Strong experience with Spring Framework, Spring Boot, and Spring Cloud.
Experience developing frontend applications using Angular.
Experience deploying and managing containerized applications using Docker, Docker Compose, and Docker Swarm.
Experience working with MongoDB and database-driven applications.
Experience developing, testing, and maintaining enterprise software applications.
Strong troubleshooting, problem-solving, and communication skills.
Ability to participate in a rotating on-call schedule, approximately one week every 4-6 weeks, to provide emergency support for critical systems.
Desired Qualifications
Experience with Elasticsearch for data indexing, search, and analytics.
Familiarity with Java Message Service (JMS) and asynchronous messaging architectures.
Experience with ActiveMQ or Artemis messaging platforms.
Experience supporting mission-critical, high-availability systems within Intelligence Community or government environments.
Experience developing distributed applications and integrating messaging services across enterprise systems.
Work Arrangement: Up to two days of telework per week, subject to customer approval.
Salary Range
USD $160,000.00 - USD $185,000.00 /Yr.The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.Overview
Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.
At Markon, we don't just offer jobs - we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.
Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.
Markon values people and the tremendous impact each individual can make - which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our clients’ missions.Join us and make a meaningful impact.
Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.
Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays.