Senior Java Microservices Developer

Key Responsibilities

Microservices Design & Development

• Design and develop scalable, cloud-native microservices using Java (17/21) and the Spring Boot framework.
• Utilize the Helix Platform to build, package, and deploy standalone components, reusable blueprints, and serverless Knative Functions.
• Ensure clean code architecture, adhering to enterprise design patterns, SOLID principles, and RESTful API standards.

Cloud Orchestration & Service Mesh

• Deploy, manage, and scale microservices on Red Hat OpenShift Container Platform (OCP) and Kubernetes.
• Configure and manage service-to-service communication, traffic routing, and observability using Service Mesh (Istio-based control plane).
• Define and maintain Helm charts for consistent, repeatable application deployments across environments.Database Integration & Management
• Integrate microservices with Citi's Database as a Service (DBaaS) platform.
• Work with relational and non-relational databases, including:
  • PostgreSQL as a Service (PGaaS) (utilizing PG Vector for advanced search capabilities).
  • MongoDB as a Service (MaaS) (leveraging multi-datacenter high availability and sharding).
  • Oracle as a Service (OraaS) (ensuring high-availability and automated scaling).

Security & Secret Management

• Implement robust application security and credential management using HashiCorp Vault.
• Configure and manage Vault roles (Kubernetes ServiceAccounts, AppRoles, and PKI roles) to secure application secrets.
• Utilize Vault Agent sidecars in Kubernetes/OpenShift to dynamically inject and render secrets into application pods.

CI/CD & DevOps Automation

• Build and maintain automated CI/CD pipelines using Lightspeed Enterprise (Tekton and Harness) and Lightspeed Classic (Jenkins shared libraries and uDeploy).
• Integrate automated quality and security gates into the build process, including SonarQube for code quality, Checkmarx for static analysis, and Snyk for vulnerability scanning.
• Manage source code repositories using Bitbucket and GitHub Enterprise, adhering to branch protection rules and pull request workflows.

Required Technical Skills & Qualifications

• Education: Bachelor’s degree in Computer Science, Engineering, or a related technical field.
• Java Expertise: 5+ years of professional software development experience with Java (17 or higher) and Spring Boot / Spring Cloud.
• Containerization: Strong experience with Docker, Kubernetes, and Red Hat OpenShift (OCP).
• Service Mesh: Hands-on experience with Istio or equivalent Service Mesh technologies for traffic management and observability.
• Database Systems: Proficiency in SQL and NoSQL databases, specifically PostgreSQL, MongoDB, and Oracle.
• Security: Experience with HashiCorp Vault (secret engines, Vault Agent, and role-based access control).
• CI/CD Tools: Experience with modern CI/CD platforms such as Tekton, Harness, Jenkins, and uDeploy.
• Testing & Quality: Strong commitment to quality, with experience in JUnit, Mockito, SonarQube, and security scanning tools (Snyk, Checkmarx).

Preferred Qualifications

• Experience working within a large-scale financial institution or highly regulated enterprise environment.
• Familiarity with GenAI integrations and platforms (e.g., R2D2, Stylus Workspaces).
• Experience with Agile methodologies, Jira, and Confluence.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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