L3 Application Support Engineer

Diksha Technologies Limited; India; On-site; INR 800,000 - 1,200,000; Full time

Job summary

Diksha Technologies Limited is seeking an experienced L3 Support Engineer to join our support and delivery team in India. You will be the highest level of technical escalation for production applications built on Java, Spring Boot, and MySQL, diagnosing complex issues and delivering permanent fixes.

You will perform root-cause analysis, debug code in Java/Spring Boot, review logs and stack traces, and coordinate hotfixes through the CI/CD pipeline.

Qualifications

• Experience as L3/L3+ support engineer in production environments.
• Strong debugging skills for Java/Spring Boot applications.
• Experience with MySQL and log analysis.
• Ability to collaborate withDevOps and development teams.

Responsibilities

• Act as final escalation point for L1/L2 issues.
• Perform root cause analysis for production issues.
• Debug and fix code-level issues in Java/Spring Boot.
• Review logs and stack traces to identify failures.
• Coordinate hotfixes and deployments via CI/CD.
• Collaborate with developers to implement permanent fixes.
• Document known issues and RCA reports.
• Participate in on-call rotation for P1/P2 incidents.
• Provide mentorship to L1/L2 engineers.

Skills

Java

Spring Boot

MySQL

Root cause analysis

Troubleshooting

On-call support

Mentoring

P1/P2 incident handling

Job description

We are looking for an experienced L3 Support Engineer to join our support and delivery team. You will serve as the highest tier of technical escalation, responsible for diagnosing and resolving complex, code-level and infrastructure-level issues in production applications built on Java, Spring Boot, and MySQL. This role requires deep technical expertise, strong root-cause analysis skills, and the ability to work closely with development and DevOps teams to deliver permanent fixes.

Key Responsibilities

• Act as the final escalation point for issues escalated from L1/L2 support teams
• Perform root cause analysis (RCA) for recurring or critical production issues
• Debug and fix code-level issues in Java/Spring Boot applications
• Review application logs, stack traces to identify failure points
• Coordinate hotfixes and deployments through the CI/CD pipeline for critical production issues
• Collaborate with development teams to convert recurring incidents into permanent code/architecture fixes
• Document known issues, workarounds, and RCA reports for the knowledge base
• Participate in on-call rotation for critical (P1/P2) production incidents
• Provide technical mentorship and guidance to L1/L2 support engineers