Java 21 Backend Developer

Your future duties and responsibilities

Job Description:
CGI is looking for a highly experienced Senior Backend Developer with strong expertise in Java 21, Spring Framework, and Microservices Architecture. The ideal candidate will be responsible for designing, developing, and maintaining scalable backend systems using modern development practices, container platforms, and CI/CD pipelines. Key Responsibilities: Design, develop, and maintain robust and scalable backend services using Java 21 and the Spring Framework. Build and manage microservices architectures ensuring high performance and reliability. Implement and maintain RESTful APIs and ensure comprehensive Swagger API documentation. Work with databases such as Oracle and MongoDB, optimizing queries and data flows. Integrate caching solutions using Redis for performance improvement. Deploy and manage applications on container platforms (e.g., Docker, Kubernetes). Collaborate with DevOps teams to implement and maintain CI/CD pipelines for continuous integration and deployment. Ensure application security, scalability, and performance optimization. Participate in design discussions, code reviews, and mentoring of junior developers.

Required qualifications to be successful in this role

Required Skills:
6+ years of experience in backend development. Strong programming skills in Java 21 and hands-on experience with the Spring Framework (Spring Boot, Spring Data, etc.). Proven experience in developing and deploying microservices. Knowledge of containerization technologies such as Docker and Kubernetes. Experience working with CI/CD tools (e.g., Jenkins, GitLab CI, Azure DevOps). Proficiency in Oracle and MongoDB databases. Hands-on experience with Redis for caching mechanisms. Ability to create and maintain API documentation using Swagger/OpenAPI. Excellent problem-solving, debugging, and analytical skills. Strong communication and teamwork skills.

Together, as owners, let’s turn meaningful insights into action.
Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll 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. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction. Your work creates value. You’ll 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. You’ll shape your career by joining a company built to grow and last. You’ll 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 team—one of the largest IT and business consulting services firms in the world.