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Sr. Full Stack Engineer

Category: Software Development/ Engineering

Main location: United States, Alabama, Huntsville

Position ID:J0926-2403

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.
This position is located in Huntsville, AL.

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
Desired qualifications/non essential skills required:
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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CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $89,600.00 $176,300.00.
CGI Federal's benefits are offered to eligible professionals on their first day of employment to include:
. Competitive compensation
. Comprehensive insurance options
. Matching contributions through the 401(k) plan and the share purchase plan
. Paid time off for vacation, holidays, and sick time
. Paid parental leave
. Learning opportunities and tuition assistance
. Wellness and Well being programs
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Skills:

• Amazon Web Services Cloud
• Back End Development
• Back End Development
• Communication
• Front End Development
• Front End Development
• Full Stack Development
• Full Stack Development