Software Developer (Systems Software)

Information Technology --> Software Development/Engineering

McLean, VA

ID: 1169-383

Full-Time/Regular

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 workflows
• Strong 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, with immediate vesting
• Comprehensive medical, dental, and vision coverage—employee portion paid 100% by Core4ce
• Unlimited access to training and certifications, with no pre-set cap on eligible professional development
• Tuition assistance for job-related degrees and courses
• Paid parental 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.*