
Web Application Developer-Principal at NetSage (Hanover Maryland, United States)
NetSage· Hanover Maryland, United States·
Role details
Job description
At NetSage, we are more than a government contractor—we are a mission-focused partner dedicated to advancing national security through exceptional cyber expertise. We believe our success begins with our people, which is why we invest in and care for our employees. We know that employee retention is mission continuity, and we are committed to building long-term careers where our people can grow alongside our customers' evolving missions. Our employees enjoy meaningful work, competitive compensation, outstanding benefits, and opportunities to expand their skills across multiple mission areas. To learn more about our comprehensive benefits and what it's like to build your career at NetSage, visit our Careers page.
Due to the sensitive nature of the work we support, some job descriptions intentionally provide a high-level overview of the role. If you'd like to learn more about a particular opportunity, we encourage you to apply directly or connect with us through our Get In Touch page. We'd be happy to discuss how your experience aligns with our mission and explore where you can make an impact.
Job Description:
We are seeking a Principal Web Application Developer to support the development and sustainment of a mission-essential Learning Management System (LMS). In this role, you will provide technical leadership across the full software development lifecycle. You will guide the development team through planning and execution, establish sprint and release priorities, and ensure new capabilities are designed, implemented, tested, and delivered on schedule. The ideal candidate for this position will have experience leading development teams and have a strong background in web application development with familiarity working within an LMS environment. Please consider applying if you meet the following qualifications.
Required Qualifications:
- TS/SCI security clearance.
- A Bachelor of Science (B.S.) degree in Computer Science or a related field and ten (10) years of relevant experience. Also acceptable is a Master of Science (M.S.) degree and five (5) years or no degree and thirteen (13) years of relevant experience.
- Strong experience developing modern web applications and user interfaces.
- Proficiency with a range of programming languages, frameworks, and web technologies to include:
- Python
- Shell scripting
- Go
- HTML/CSS
- JavaScript/TypeScript
- AJAX
- JSON/XML
- jQuery
- React/Redux
- SQL and NoSQL databases
- Relational database technologies
- Experience with containerized application development and deployment using Docker or comparable technologies.
- Working knowledge of Kubernetes, including application deployment, scaling, administration, and troubleshooting.
- Experience with virtualization technologies such as VMware vCenter.
- Experience with Section 508 accessibility requirements and their application to UX/UI design and implementation.
- Experience leading a development team using Agile methodologies.
Why work at NetSage
- Mission-Driven Work: Employees directly support critical US Federal Government cyber missions, including national security and defense. The company emphasizes serving its customers and values its employees as a privilege.
- Veteran-Friendly Culture: A high percentage of employees are Veterans and former Government Civilians, creating a culture of service and shared experience.
- In-Office Policy: All roles are in-office (Annapolis Junction and Annapolis, MD), fostering a collaborative environment for sensitive work.
- Growth Opportunities: Rapid hiring in senior and principal-level roles (AI, Cloud, CNO) suggests strong internal growth and advancement potential for cleared talent.
- Small Company Agility: With only 28 employees, individuals have significant impact and responsibility, unlike at large primes like Booz Allen or SAIC (common alumni destinations).
- Competitive Perks: While not publicly detailed, the company hosts annual holiday parties and participates in community events (AFCEA golf tournaments supporting STEM scholarships).
- Open Roles (as of mid-2026): CNO Developer, AI Analytic Software Engineer, Full Stack Software Developer, Cloud Software Engineer, Exploitation Analyst, Digital Network Exploitation Analyst, and Computer Network Defense Analyst.