Software Developer (Systems Software)

Core4ce 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. Responsibilities Build scalable, secure applications using modern JavaScript and TypeScript frameworks Developed 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. Requirements Active 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 development Proficiency with HTML5, CSS3, modern Javascript (ES6+) and TypeScript Experience 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 Docker Familiarity 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 workflowsStrong problem-solving skills including debugging testing and troubleshooting complex web applications Optional Skills Experience with ElasticSearch Familiarity with Infrastructure as Code concepts (Terraform, CloudFormation) Contributions to technical documentation, architecture diagrams, and knowledgebases Experience with monitoring observability tools Background with geospatial libraries Experience migrating or modernizing legacy apps Working knowledge of CI/CD pipelines Experience integrating with data lake architectures or data intensive apps Experience with J2EE apps and containers Experience with PKI Why 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 offer 401(k) with 100% company match on the first 6% deferred, withimmediatevesting Comprehensive medical, dental, and vision coverage—employee portion paid 100% by Core4ce Unlimitedaccess totrainingand certifications, with no pre-set cap on eligible professional development Tuition assistancefor job-related degrees and courses Paidparental leave, PTO that grows with tenure, and generous holiday schedules Got 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. #J-18808-Ljbffr