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Sr. Full Stack Engineer
Category: Software Development/ Engineering
Main location: United States, Alabama, Huntsville
Position ID:J0926-0711
Employment Type: Full Time
Position Description:
CGI Federal is seeking a Full Stack Engineer - Senior to support application design, development, integration, and modernization for a major federal transformation program. This senior role develops secure, scalable, cloud-ready solutions and works across the entire stack-front-end, back-end, APIs, databases, and cloud environments. The Full Stack Engineer collaborates with Product, DevSecOps, Cloud, Data, QA, and Migration teams to deliver mission-critical capabilities that meet federal performance, security, and compliance standards.
Your future duties and responsibilities:
Application & API Development
• Design, develop, and maintain front-end and back-end components for enterprise applications
• Build and optimize REST APIs, microservices, and system-to-system integrations
• Ensure code quality, performance, and maintainability across the full stack
Cloud-Ready Engineering
• Develop cloud-compatible services and applications (AWS preferred)
• Support deployment of pipelines, infrastructure integration, and CI/CD workflows
• Align application architecture with modernization and cloud migration requirements
Technical Leadership & Collaboration
• Collaborate with Scrum Masters, Product Leads, QA Automation Engineers, Cloud Engineers, and Data Engineers
• Participate in sprint planning, backlog refinement, technical design reviews, and demos
• Mentor mid-level engineers and support knowledge-sharing across teams
Security, Performance & Compliance
• Implement secure coding practices, logging, auditing, and data-handling requirements
• Conduct performance tuning, optimization, and reliability improvements
• Ensure delivery aligns with federal security standards and program governance
Testing & Quality Support
• Support automated testing and validation of application functionality and integrations
• Troubleshoot defects across the stack and coordinate with QA to resolve issues
• Validate readiness for release and major deployment events
Documentation & Reporting
• Develop technical design documents, API specifications, data flow diagrams, and code documentation
• Maintain full-stack engineering artifacts required for release, sustainment, and audits
• Provide status updates and technical insights to leadership and cross-functional teams
Required qualifications to be successful in this role:
• Must have an Active Top Secret Security Clearance
• U.S. Citizenship
• Bachelor's degree and 8+ years of experience in software engineering or full-stack development
• Experience developing both front-end and back-end solutions using modern frameworks
• Hands-on experience with APIs, microservices, relational and NoSQL databases
• Experience with CI/CD pipelines, Git, DevSecOps environments, and automated testing
• Strong ability to troubleshoot issues across the entire stack
• Excellent communication and documentation skills
Preferred Qualifications
• Experience supporting DOJ, FBI, Intelligence Community, or other national-security programs
• Experience with cloud-native architectures (AWS strongly preferred)
• Familiarity with containerization (Docker), orchestration (Kubernetes), or serverless frameworks
• Experience with performance engineering, load testing, or automated quality pipelines
• Knowledge of Python, Java, JavaScript/TypeScript, or similar languages used across full-stack systems
Due to the nature of this government contract, US Citizenship is required.
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