> Markdown version of [/jobs/ext/4322495-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/4322495-principal-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - **Company:** NextGen Staffing - **Location:** Aberdeen, MD, United States - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Algorithm Design, JIRA, C++ (Programming Language), Software as a Service, Computer Programming, Databases, Continuous Delivery, Continuous Integration, Data Architecture, Database Design, Database Models, Distributed Systems, Design of User Interfaces, Infrastructure as a Service (IaaS), Interactive Data Language (IDL), Junit, Python (Programming Language), MATLAB, Node.Js, Object-Oriented Software Development, Platform as a Service (PAAS), Scrum Methodology, Qt (Software), Angular 2+, Service-Oriented Architecture, Software Engineering, Product Software Implementation Methods, TypeScript, Test-Driven Development (TDD), ReactJS, Spring-boot, Vue.js, Containerization, Gitlab-ci, Kubernetes, Information Technology, OpenSearch, Docker, Jenkins, Programming Languages, Microservices - **Published:** October 28, 2026 - **Apply:** https://www.juju.com/job/16_6d46ca64 ## About the Role NextGen Federal Systems (NextGen) is currently seeking to fill multiple Principal Software Engineer positions with staff who have experience supporting Department of War (DoW) and Intelligence Community (IC) programs. Selected candidates will participate in the entire software development lifecycle including participation in the design, development, deployment and implementation of software products throughout all phases of the software development lifecycle. The candidates will be part of the development team operating in a dynamic, fast-paced environment. Excellent written and verbal communication skills are required. The selected candidates will be required to develop software in a variety of software development languages and environments. Qualifications * B.S. in Computer Science, Engineering, Information Technology or closely related * Active TS/SCI security clearance required Qualified candidates must have strong software engineering backgrounds with the following skills and expertise that are highly desired: * Object-Oriented (OO) Programming skills with modern development languages * Agile software development practices and tools (e.g., Scrum, Jira) * Modern cloud-computing software and tools including distributed computing platforms (IaaS, PaaS, SaaS) * Micro-services, container technologies (Docker, Kubernetes) * Modern data architectures and tools: Python, MATLAB, IDL, Java, JavaScript / Typescript, NodeJS, C++ * Frameworks: Angular, Spring Boot, Vue, QT, React * Database modeling: OpenSearch Dashboards * Algorithm development, database design, UI/UX * Continuous Integration / Continuous Delivery (CI/CD) (Jenkins, GitLab CI) * Test-Driven Development Methodologies (JUnit) * Web and SOA technologies, visualization technologies, image processing, database and/or geospatial (GIS) technologies * Experience with all phases of the software development life cycle including agile development processes, tools, and methodologies * Ability to work independently and in a team environment * Strong problem-solving and critical thinking skill