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. ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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