CGI - Principal Java Developer

About the Role : We are looking for a highly skilled Principal Java Developer / Java Architect who combines strong architecture and design capabilities with a hands-on approach to coding. The ideal candidate is deeply experienced in Java / Jakarta EE, Domain-Driven Design (DDD), and Cloud-Native Systems, with the ability to design and implement scalable, high-performing, and maintainable enterprise solutions. This role requires a strategic thinker who can define architectural blueprints while remaining deeply involved in the technical implementation mentoring teams, driving best practices, and solving complex engineering challenges.Key Responsibilities : - Design, architect, and implement enterprise-grade applications using Java SE (11-21) and Jakarta EE frameworks.- Develop and review detailed architecture and design documents aligning with best practices in scalability, maintainability, and performance.- Apply Domain-Driven Design (DDD) principles to model complex business domains effectively.- Build microservices-based, event-driven, and cloud-native architectures leveraging AWS, Azure, or GCP.- Ensure system reliability and resilience in distributed system environments.- Lead and mentor development teams on design patterns, coding standards, and modern software practices.- Collaborate with product owners, business stakeholders, and cross-functional teams to translate business needs into robust technical solutions.- Evaluate and integrate emerging technologies to improve system performance and scalability.- Participate in code reviews and maintain high standards of code quality and technical excellence.Required Skills & Qualifications : - 10+ years of professional experience in Java and Jakarta EE development.- Strong command of Java SE (11-21) and Jakarta EE technologies including : JPA, CDI, EJB, JAX-RS, and Jakarta EE containers (e.g., WebSphere Liberty, Payara, WildFly).- Proven expertise in microservices architecture, domain-driven design (DDD), and distributed systems.- Hands-on experience with cloud platforms (AWS, Azure, or GCP) and containerization/orchestration (Docker, Kubernetes).- Excellent understanding of event-driven architectures, messaging systems (Kafka, RabbitMQ), and API design (RESTful / GraphQL).- Proficiency in CI/CD pipelines, DevOps practices, and modern development workflows (Git, Jenkins, etc.).- Strong analytical, problem-solving, and debugging skills.- Excellent communication and leadership skills, with the ability to guide teams and influence stakeholders.Good to Have : - Experience with Reactive frameworks (e.g., Spring Web_Flux, Quarkus, or Micronaut).- Exposure to NoSQL databases (MongoDB, Cassandra) and in-memory data grids (Hazelcast, Redis).- Knowledge of security frameworks and OAuth2 / OpenID Connect.- Familiarity with Observability tools (Prometheus, Grafana, ELK Stack). (ref:hirist.tech)