Software Developer (Expert)

Join NS2 Mission on one of our established prime Intelligence Community contracts, where you'll help develop mission-critical software that supports national security operations. Mission is searching for an Expert Software Developer to join our team in Chantilly, VA , supporting the design, development, and modernization of enterprise applications that power complex mission systems. Whether your expertise is in full-stack application development or modern front-end engineering, you'll collaborate with architects, engineers, and mission stakeholders to deliver secure, scalable, and high-performing software solutions. This role offers the opportunity to influence technical direction, solve challenging engineering problems, and work with modern technologies in a collaborative Agile environment. Key Responsibilities - Design, develop, and enhance enterprise software applications that support mission-critical Intelligence Community operations. - Develop scalable backend services and RESTful APIs using Java and/or Python. - Build responsive, modern user interfaces using JavaScript, Angular, and contemporary front-end development practices. - Develop and optimize distributed data processing solutions using Apache Spark where applicable. - Design and maintain search and analytics capabilities using Elasticsearch. - Collaborate with architects, systems engineers, and product stakeholders to translate mission requirements into innovative technical solutions. - Lead technical design discussions, perform peer code reviews, and contribute to software architecture decisions. - Troubleshoot complex software issues while improving application performance, scalability, and maintainability. - Support CI/CD, automated testing, and DevSecOps initiatives throughout the software development lifecycle. Required Qualifications - Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline (or equivalent combination of education and experience). - Approximately 10+ years of professional software development experience. - Expertise in one or more modern software development disciplines, including: - Full-stack development using Java and/or Python, RESTful APIs, and enterprise application frameworks; or - Front-end development using JavaScript, Angular, and modern UI development frameworks. - Experience designing and developing enterprise software applications within Agile development environments. - Strong understanding of software architecture, object-oriented programming principles, and application design. Preferred Qualifications - Experience with Apache Spark for distributed data processing. - Experience with Elasticsearch or OpenSearch. - Experience developing cloud-native applications in AWS. - Experience with Spring Boot, microservices, or distributed system architectures. - Familiarity with Docker, Kubernetes, and containerized application development. - Experience with CI/CD pipelines using Jenkins, GitLab, or similar automation tools. Position Clearance Requirement: TS/SCI with an FSP 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.