Senior Full Stack Developer

Build modern software solutions that bring together powerful backend services, intuitive user interfaces, and scalable cloud technologies. Join NS2 Mission as a Senior Full Stack Developer in Chantilly, VA, where you'll contribute to the design, development, and enhancement of enterprise applications supporting critical national security missions.

In this role, you'll work across the application stack, developing backend services with Java, building responsive front-end experiences, integrating relational databases, and supporting applications in AWS environments. You'll collaborate with software engineers, architects, and mission stakeholders to translate requirements into reliable, high-performing solutions while helping improve application design, maintainability, and overall system performance.

Key Responsibilities

• Design, develop, and maintain full-stack applications spanning backend services, front-end interfaces, and database integrations.
• Build scalable backend components and application services using Java and modern software development frameworks.
• Develop responsive, user-focused interfaces using JavaScript, TypeScript, Angular, or comparable front-end technologies.
• Design, implement, and integrate RESTful APIs to support application functionality and communication between systems.
• Develop and optimize database solutions, including queries, data models, and application-level data access.
• Build, deploy, and maintain cloud-based applications within AWS environments.
• Collaborate with software engineers, architects, and stakeholders to evaluate requirements, refine technical designs, and deliver effective software solutions.
• Troubleshoot complex application defects, integration challenges, and performance issues across the technology stack.
• Participate in code reviews, testing, and continuous improvement initiatives to promote maintainable, reliable, and secure software.
• Contribute throughout the software development lifecycle, including requirements analysis, design, development, testing, deployment, and sustainment.
• Identify opportunities to improve application architecture, development practices, and system scalability.

Required Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline (or equivalent combination of education and experience).
• Senior-level professional experience developing, enhancing, and maintaining enterprise software applications.
• Strong proficiency in Java for backend application development.
• Experience with front-end development using JavaScript and/or TypeScript, along with Angular or another modern front-end framework.
• Demonstrated ability to develop and integrate RESTful APIs and backend services.
• Hands-on experience working with relational databases, including SQL development, data access, and query optimization.
• Experience developing, deploying, or maintaining applications in AWS cloud environments.
• Understanding of software architecture, application integration, and full-stack development principles.
• Experience with version control, software testing, code reviews, and established development practices.

Preferred Qualifications

• Experience with Angular and modern front-end frameworks or component-based UI development.
• Familiarity with Java frameworks such as Spring or Spring Boot.
• Experience with relational databases such as Oracle, PostgreSQL, MySQL, or SQL Server.
• Knowledge of AWS services and cloud-native application development.
• Familiarity with microservices architectures, distributed systems, and application integration patterns.
• Experience with CI/CD pipelines and DevOps practices using tools such as Jenkins, Git, or GitLab.
• Exposure to containerization technologies such as Docker and Kubernetes.
• Experience with automated testing, application performance tuning, and secure software development practices.

Position Clearance Requirement:

TS/SCI with an FSP

Salary and Benefits Information:

The salary range for this position is $176,788.00 to $219,098.00. The proposed range is intended as a general guideline. Final compensation will be determined based on qualifications, experience, location, and contractual considerations and may fall outside of the stated range. We offer a great benefits package designed to support you and your family. View our benefits information here: https://sapns2.com/ns2-mission-careers/

Please be aware many of our positions require the ability to obtain or maintain a U.S security clearance which requires U.S citizenship.

We win with inclusion

NS2 Mission’s culture of inclusion, focus on health and well-being, and flexible working models help ensure that everyone – regardless of background – feels included and can run at their best. At NS2 Mission, we believe we are made stronger by the unique capabilities and qualities that each person brings to our company, and we invest in our employees to inspire confidence and help everyone realize their full potential. We ultimately believe in unleashing all talent and creating a better world.

NS2 Mission is committed to the values of Equal Employment Opportunity and provides accessibility accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment with NS2 Mission and are in need of accommodation or special assistance to navigate our website or to complete your application, please send an e-mail with your request to Recruiting Operations Team: NS2Mission.Careers@sapns2.com.

Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity, age, gender (including pregnancy, childbirth, et al), sexual orientation, gender identity or expression, protected veteran status, or disability, in compliance with applicable federal, state, and local legal requirements.