Senior Full Stack Engineer

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Senior Full Stack Engineer

@ CGI

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.

Salary Range: $90,700.00 - $223,200.00

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Qualifications:

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.

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How to Apply:

Apply online at https://www.cgi.com/en 

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