Senior Full Stack Java Developer with GraphQL Experience

Duties and Responsibilities

• Design and implement Angular-based user interfaces and backend API/microservices.
• Build and maintain GraphQL APIs, including schema design, resolvers, queries, mutations, and subscriptions.
• Develop and support RESTful and GraphQL services that integrate with internal and external systems.
• Develop and unit test Java services using Spring Boot and microservices architecture.
• Collaborate with business, design, and technical teams to define API contracts and data models.
• Create and maintain API documentation using Swagger/OpenAPI and GraphQL schema documentation.
• Optimize GraphQL queries for performance, scalability, and security.
• Research and recommend frameworks, libraries, and tools to improve development efficiency.

Required Skills

• 6+ years of Java/J2EE development experience.
• 3+ years of GraphQL development experience, including: Schema design and modeling, Query and mutation development, Resolver implementation, GraphQL security and performance optimization, Apollo Server, Apollo Client, or equivalent GraphQL frameworks.
• 6+ years of Angular, JavaScript, TypeScript, HTML, CSS, and Node.js.
• 3+ years developing RESTful and GraphQL APIs.
• 3+ years building containerized microservices and deploying applications in OpenShift/Kubernetes environments.
• Experience with Spring Boot, REST APIs, GraphQL APIs, JSON, XML, Swagger/OpenAPI.
• Experience with GitHub, Jenkins, CI/CD pipelines, and Agile development methodologies.
• Experience writing unit and integration tests for Java and JavaScript applications.

Preferred Qualifications

• Experience with Apollo GraphQL ecosystem.
• Experience implementing GraphQL Federation and API Gateway patterns.
• Knowledge of event-driven architectures and message brokers (Kafka, RabbitMQ, etc.).
• Experience in financial services or banking applications.
• Familiarity with GraphQL security best practices, including authentication, authorization, and query complexity management.

Other Information:

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 $70,800.00 - $156,700.00.

Benefits

• 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