Software Developer (Systems Software)

Information Technology --> Software Development/EngineeringMcLean, VAID: 1169-383Full-Time/RegularCore4ce is seeking a skilled Full Stack Developer to design, develop, and maintain modern web applications that support mission-driven initiatives. A Full-Scope polygraph is required, no exceptions.ResponsibilitiesBuild scalable, secure applications using modern JavaScript and TypeScript frameworksDeveloped APIs and microservices that integrate with cloud-based environments. Collaborate with cross-functional teams to deliver high-quality solutions, optimize performance, and support the evolution of complex web platforms. This position is designed to be flexible, with responsibilities evolving to meet business needs and enable individual growth.RequirementsActive TS/SCI with Full Scope Poly.Demonstrated experience developing modern web applications using Javascript/Typescript frameworks (Angular, React and Vue)Demonstrated experience with node.js web frameworks and API developmentProficiency with HTML5, CSS3, modern Javascript (ES6+) and TypeScriptExperience with CSS preprocessors (such as Sass)Experience designing and implementing Restful APIs and microservices Working knowledge of SQL databases including schema design, query optimization and performance tuning Experience with PostgreSQL and MySQL production environments Experience with ORMs such as Prisma, Sequelize Experience with containerization technologies such as DockerFamiliarity with AWS cloud services and cloud-native developments patterns Strong understanding of web applications security best practices and usability principles Demonstrated experience with Git version control and collaborative environment workflows Strong problem-solving skills including debugging testing and troubleshooting complex web applicationsOptional SkillsExperience with ElasticSearch Familiarity with Infrastructure as Code concepts (Terraform, CloudFormation)Contributions to technical documentation, architecture diagrams, and knowledgebasesExperience with monitoring observability tools Background with geospatial librariesExperience migrating or modernizing legacy appsWorking knowledge of CI/CD pipelinesExperience integrating with data lake architectures or data intensive appsExperience with J2EE apps and containersExperience with PKIWhy Work for Us?Core4ce is a team of innovators, self-starters, and critical thinkers—driven by a shared mission to strengthen national security and advance warfighting outcomes.We Offer401(k) with 100% company match on the first 6% deferred, with immediate vestingComprehensive medical, dental, and vision coverage—employee portion paid 100% by Core4ceUnlimited access to training and certifications, with no pre-set cap on eligible professional developmentTuition assistance for job-related degrees and coursesPaid parental leave, PTO that grows with tenure, and generous holiday schedulesGot a big idea? At Core4ce, The Forge gives every employee the chance to propose bold innovations and help bring them to life with internal backing.Join us to build a career that matters—supported by a company that invests in you.All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, disability, veteran status, age, genetic information, or other legally protected status.