Software Engineer, Full Stack Developer, Backend Developer

Build mission-critical software that makes a difference. NS2 Mission is seeking a talented Software Engineer to support a critical government program in Chantilly, VA
. In this role, you'll develop and enhance secure, scalable applications that directly support mission operations. Working within an Agile development environment, you'll contribute across both backend and frontend development efforts, building modern applications using Python, RESTful APIs, relational databases, JavaScript, and Angular.

If you're passionate about developing innovative software solutions, solving complex technical challenges, and supporting mission-focused objectives, we'd like to hear from you.

• Design, develop, test, and maintain scalable full-stack software applications.
• Develop backend services and APIs using Python and modern web frameworks.
• Build and integrate RESTful APIs to support application functionality and system interoperability.
• Design, develop, and optimize solutions leveraging relational databases.
• Develop and maintain responsive user interfaces using JavaScript and Angular.
• Collaborate with engineers, architects, and stakeholders to define technical requirements and implement solutions.
• Troubleshoot software defects, performance issues, and system integrations.
• Participate in code reviews and promote software development best practices.
• Contribute throughout the full software development lifecycle, from requirements through deployment and sustainment.
• Support Agile development activities including sprint planning, development, testing, and retrospectives.
• Ensure solutions meet security, performance, and maintainability requirements.

• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline (or equivalent experience).
• Experience developing applications using Python.
• Experience with front-end development using JavaScript.
• Experience with Angular or modern front-end frameworks.
• Experience designing, developing, and consuming RESTful APIs.
• Strong experience working with relational databases such as PostgreSQL, Oracle, SQL Server, or MySQL.
• Experience developing and maintaining software within Linux/Unix environments.
• Understanding of software development best practices, including version control, testing, and code reviews.
• Experience working in Agile development environments.

• Experience developing APIs using FastAPI.
• Experience utilizing SQL Alchemy for database integration and ORM development.
• Experience developing cloud-based applications, preferably within AWS environments.
• Familiarity with CI/CD pipelines and Dev Ops practices.
• Experience with containerization technologies and microservices architectures.
• Experience with Git, Jenkins, Terraform, or similar development tools.
• Familiarity with Elasticsearch, Open Search, or other search technologies.

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.

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:

Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity, 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.