Senior Java Microservices Developer

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Key Responsibilities

Microservices Design & Development

• Design and develop scalable, cloud-native microservices usingJava (17/21)and theSpring Bootframework.
• Utilize theHelix Platformto build, package, and deploy standalone components, reusable blueprints, and serverlessKnative 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 onRed Hat OpenShift Container Platform (OCP)and Kubernetes.
• Configure and manage service-to-service communication, traffic routing, and observability usingService Mesh(Istio-based control plane).
• Define and maintainHelm chartsfor consistent, repeatable application deployments across environments.Database Integration & Management
• Integrate microservices with Citi'sDatabase 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 usingHashiCorp Vault.
• Configure and manage Vault roles (Kubernetes ServiceAccounts, AppRoles, and PKI roles) to secure application secrets.
• UtilizeVault Agentsidecars in Kubernetes/OpenShift to dynamically inject and render secrets into application pods.

CI/CD & DevOps Automation

• Build and maintain automated CI/CD pipelines usingLightspeed Enterprise(Tekton and Harness) andLightspeed Classic(Jenkins shared libraries and uDeploy).
• Integrate automated quality and security gates into the build process, includingSonarQubefor code quality,Checkmarxfor static analysis, andSnykfor vulnerability scanning.
• Manage source code repositories usingBitbucketandGitHub 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 withJava (17 or higher)andSpring Boot / Spring Cloud.
• Containerization:Strong experience withDocker,Kubernetes, andRed Hat OpenShift (OCP).
• Service Mesh:Hands-on experience withIstioor equivalent Service Mesh technologies for traffic management and observability.
• Database Systems:Proficiency in SQL and NoSQL databases, specificallyPostgreSQL,MongoDB, andOracle.
• Security:Experience withHashiCorp Vault(secret engines, Vault Agent, and role-based access control).
• CI/CD Tools:Experience with modern CI/CD platforms such asTekton,Harness,Jenkins, anduDeploy.
• Testing & Quality:Strong commitment to quality, with experience inJUnit,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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