Senior Full Stack Engineer

Position Description:

Join a high-impact modernization initiative for a large federal agency. As a Senior Full Stack Engineer, you'll lead the development of cutting-edge APIs and AI-driven solutions that power mission-critical systems. This is your opportunity to shape the future of secure, scalable, and intelligent data access for millions of users. If you thrive on solving complex challenges, designing enterprise-grade applications, and mentoring teams, we want you on board.
This position is located in our Lafayette, Louisiana office; however, a hybrid working model is acceptable.

Due to the nature of government contracts, US citizenship or Permanent Residence is required.

Your future duties and responsibilities:

. Design, develop, and maintain scalable web applications and APIs aligned with enterprise architecture standards.
. Lead API development efforts using REST, GraphQL, and gRPC protocols, ensuring compliance with modern authentication and authorization standards (OAuth, JWT).
. Integrate legacy systems and modern databases, supporting AI/ML workflows and automated language conversion (e.g., COBOL to Java, Python, C#, TypeScript).
. Implement CI/CD pipelines and automated testing frameworks for robust deployments.
. Collaborate with cross-functional teams to define API specifications, validate data sources, and ensure backward compatibility.
. Drive observability and monitoring using tools like Datadog, New Relic, and Prometheus.
. Mentor junior developers and contribute to architectural decisions for microservices and containerized environments.

Required qualifications to be successful in this role:

. Experience: 5–8+ years in full-stack development with leadership or mentoring experience.
. Technical Skills:
. Frontend: React, Angular, or Vue; strong HTML/CSS/JavaScript.
. Backend: Node.js, Python, Java, Spark.
. API Design: REST, GraphQL; authentication standards (OAuth, JWT).
. Infrastructure: OpenShift, Kubernetes, cloud platforms (AWS, GCP, Azure).
. System Design: Expertise in scalable architecture, databases (SQL/NoSQL), caching, and CI/CD.
. Strong problem-solving, communication, and collaboration skills.
Desired qualifications/non-essential skills required:
. Experience with microservices and containerization (Docker/K8s).
. Familiarity with AI-driven development tools and workflows.
. Knowledge of automated testing frameworks (Postman/Newman).
. Background in performance optimization, security hardening, or hybrid mobile/web apps.
. Exposure to large-scale modernization projects in government or regulated environments.
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 $90,.00 - $,.00.
CGI Federals benefits are offered to eligible professionals on their first day of employment to include:
Eligibility to participate in an attractive Share Purchase Plan (SPP) in which the company matches dollar-for-dollar contributions made by eligible employees, up to a maximum, for their job category

(k) Plan and Profit Participation for eligible professionals

Additional benefits determined by your Service Contract Act:
Paid Time Off (PTO)
Paid Federal Holidays
Health & Welfare Benefits

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Skills:

• Enterprise Architecture