Java Application Support Engineer - L3 (Java / DB / DevSecOps) - Assistant Vice President

As an experienced L3 Support Engineer with expertise in Java-based applications, database troubleshooting, and DevSecOps practices, your role will involve handling escalations from L1/L2 teams, performing root cause analysis, and resolving complex production issues. You will be responsible for debugging Java applications (Spring, REST APIs, microservices), collaborating with development teams for permanent fixes, and suggesting code-level improvements. Additionally, you will be expected to perform advanced SQL query analysis, diagnose DB performance issues, and work with DBAs to implement corrective actions. Key Responsibilities: - Handle escalations from L1/L2 teams, perform root cause analysis, and resolve complex production issues. - Debug Java applications in production and staging environments. - Collaborate with development teams to provide permanent fixes and suggest code-level improvements. - Perform advanced SQL query analysis, indexing, and query optimization. - Diagnose DB performance issues, deadlocks, replication errors, and data integrity concerns. - Work with DBAs to design schema changes and implement corrective actions. - Manage CI/CD pipelines for deploying hotfixes and releases. - Apply security best practices in application and infrastructure support. - Automate monitoring, alerts, and log analysis. - Support containerized and cloud-native applications. - Ensure SLAs are met by monitoring, triaging, and resolving incidents. - Conduct post-incident reviews and drive permanent fixes. - Maintain runbooks, SOPs, and knowledge base for recurring issues. Qualifications Required: - Strong knowledge of Java / J2EE, Spring Boot, REST APIs debugging. - Hands-on experience with SQL / Oracle / PostgreSQL / MySQL query tuning & troubleshooting. - Experience with CI/CD tools (Jenkins, GitLab, Azure DevOps). - Knowledge of DevSecOps practices. - Exposure to cloud platforms and container orchestration. - Familiarity with monitoring & logging tools. - Ability to leverage AI technologies for process optimization. - Strong problem-solving & debugging skills. - Ability to work under pressure during production incidents. - Excellent communication skills. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity, you can review the Accessibility at Citi.,