Sr. Full Stack Engineer

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 stackfront-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.

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

Must have an Active Top Secret Security Clearance

U.S. Citizenship

Bachelors 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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Life at CGI is rooted in ownership teamwork respect and belonging. Here youll reach your full potential because

You are invited to be an owner from day 1 as we work together to bring our Dream to life. Thats why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our companys strategy and direction.

Your work creates value. Youll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas embrace new opportunities and benefit from expansive industry and technology expertise.

Youll shape your career by joining a company built to grow and last. Youll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our teamone of the largest IT and business consulting services firms in the world.

Qualified applicants will receive consideration for employment without regard to their race ethnicity ancestry color sex religion creed age national origin citizenship status disability pregnancy medical condition military and veteran status marital status sexual orientation or perceived sexual orientation gender gender identity and gender expression familial status or responsibilities reproductive health decisions political affiliation genetic information height weight or any other legally protected status or characteristics to the extent required by applicable federal state and/or local laws where we do business.

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All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements and in accordance with applicable laws some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.

CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about discussed or disclosed their own pay or the pay of another employee or applicant. However employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information unless the disclosure is (a) in response to a formal complaint or charge (b) in furtherance of an investigation proceeding hearing or action including an investigation conducted by the employer or (c) consistent with CGIs legal duty to furnish information.