Mid-Level Software Engineer / Application Developer

Davis Unlimited Information Technologies, Inc. (DUIT) is hiring a mid-level Software Engineer / Application Developer to maintain and improve a secure AI-enabled platform in a federal/DoD environment. The role troubleshoots application defects, supports AI model optimization, and implements secure software improvements using TypeScript, Node.js, and AWS. Responsibilities Investigate, troubleshoot, and resolve application defects and technical issues across frontend interfaces, backend services, APIs, databases, and AWS cloud infrastructurePerform root-cause analysis to identify and resolve recurring software defects, application performance problems, and system integration issuesDevelop, test, document, and deploy secure application fixes while maintaining system stability, reliability, and performanceCollaborate with QA/Test Engineers to reproduce defects, validate fixes, and address issues identified through autonomous testing, human validation, and user feedbackAnalyze application l