Full-Stack Developer | Contingent | Washington, DC

Full-Stack DeveloperThe Full-Stack Developer will serve as a cross-functional application developer and technical support resource across the NIMS/CMIS environment. This position is designed for a versatile developer who can work across application code, databases, APIs, cloud environments, testing, deployment, troubleshooting, and production support.The developer will work closely with the Senior ColdFusion/AWS Developer and Senior Oracle/SQL/Data Integration Developer, providing both development capacity and technical redundancy. The position will assist with application enhancements, defect resolution, SQL/database development, system integrations, testing, deployments, documentation, helpdesk escalation, and future NISC V development.This position is particularly important to the team's continuity model: the developer will gain working knowledge across multiple NIMS/CMIS technical domains so that the team maintains secondary coverage for critical application and database functions.Key ResponsibilitiesDevelop, test, troubleshoot, and maintain enterprise web applications.Support ColdFusion application development and maintenance.Develop and troubleshoot SQL queries and database-driven functionality.Support Oracle database and data-integration activities.Develop and maintain APIs and system interfaces.Assist with AWS-hosted application environments.Troubleshoot application, database, integration, and production issues.Perform bug fixes and implement application enhancements.Conduct unit, integration, regression, and system testing.Assist with user-acceptance testing and defect resolution.Support source control, builds, deployments, releases, and CI/CD activities.Support DevSecOps and vulnerability-remediation activities.Provide Tier 1/Tier 2 technical support and resolve escalated helpdesk issues.Support user account and application-access issues.Assist with financial-data validation and troubleshooting.Develop technical documentation, operating procedures, test documentation, and knowledge articles.Participate in code reviews and peer testing.Cross-train on both application and database functions to provide backup coverage.Participate in Transition-In knowledge transfer and operational-readiness activities.Support future NISC V design, development, testing, integration, and deployment activities.The FAA specifically requires first- and second-level helpdesk support covering user activation/deactivation, production issues and financial-data validation, in addition to application O&M responsibilities.Required QualificationsBachelor's degree in Computer Science, Software Engineering, Information Technology, or related discipline, or equivalent relevant professional experience.3+ years of professional software-development experience.Experience developing enterprise web applications.Experience with server-side/backend application development.Working knowledge of ColdFusion or demonstrated experience with comparable application-development technologies and ability to learn ColdFusion.Strong SQL skills.Experience with Oracle or another enterprise relational database.Experience developing or consuming APIs.Experience with AWS or comparable cloud environments.Experience with Git or comparable source-control systems.Understanding of CI/CD and modern deployment practices.Experience with software testing and defect resolution.Experience troubleshooting production applications.Ability to work across multiple technologies rather than within a single narrow technical specialty.Strong analytical, troubleshooting, documentation, and communication skills.Preferred QualificationsAdobe ColdFusion experience.Oracle 19c experience.AWS experience or certification.Federal Government application-development experience.Experience with financial or contract-management systems.Experience supporting DevSecOps, cybersecurity remediation, or ATO activities.Experience supporting production helpdesk/service-desk escalations.