Java Application Support Engineer - L3

As an experienced L3 Support Engineer specialized in Java-based applications, database troubleshooting, and DevSecOps practices, your primary role will involve acting as the highest level of support escalation. You will be responsible for handling escalations from L1/L2 teams, performing root cause analysis, and resolving complex production issues. Additionally, you will collaborate with development teams to provide permanent fixes and suggest code-level improvements. Debugging Java applications such as Spring, REST APIs, and microservices in production and staging environments will be a key aspect of your responsibilities. Key Responsibilities: - Handle escalations from L1/L2 teams, perform root cause analysis, and resolve complex production issues. - Debug Java applications (Spring, REST APIs, microservices) 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 (Jenkins, GitLab CI, or similar) for deploying hotfixes and releases. - Apply security best practices in application and infrastructure support (vulnerability scanning, patching). - Automate monitoring, alerts, and log analysis using tools like ELK/EFK, Prometheus, Grafana, or Splunk. - Ensure SLAs are met by monitoring, triaging, and resolving P1/P2 incidents. - Conduct post-incident reviews and drive permanent fixes via problem management. - Maintain runbooks, SOPs, and knowledge base for recurring issues. Required Skills & Experience: Technical Skills: - Strong knowledge of Java / J2EE, Spring Boot, REST APIs debugging. - Hands-on with SQL / Oracle / PostgreSQL / MySQL query tuning & troubleshooting. - Experience with CI/CD tools (Jenkins, GitLab, Azure DevOps). - Knowledge of DevSecOps practices (security scanning, compliance automation, secrets management). - Exposure to cloud platforms (AWS, Azure, GCP) and container orchestration (Docker, Kubernetes, OpenShift). - Familiarity with monitoring & logging tools (Splunk, ELK, Prometheus, Grafana). - Should leverage AI technologies for process optimization and day-to-day work. Soft Skills: - Strong problem-solving & debugging skills. - Ability to work under pressure during production incidents. - Excellent communication skills to collaborate across Dev, Ops, Security, and Business teams. Preferred Qualifications: - Bachelors/Masters degree in Computer Science, Engineering, or related field. - 8 to 12 years of L2/L3 Application Support experience in enterprise environments. - Certifications in Java, Cloud (AWS/Azure), Kubernetes, or DevOps are a plus.,