Senior Application Support Engineer with Java, SQL & Credit Card Domain Exp.

Chennai April 8, 2026 Full Time

We are seeking an experienced Application Support Engineer with strong expertise in retail banking systems, card platforms (credit/debit), and solid technical skills in Java and SQL. The candidate will be responsible for supporting critical banking applications, ensuring system stability, and providing timely resolution to production issues.

Regards

Rajan Paul(Linkedin ID)

3Pillar Global

Key Responsibilities:

Provide L2/L3 production support for retail banking and card-related applications

Monitor application health, troubleshoot issues, and ensure high availability

Investigate and resolve incidents related to credit/debit card processing systems

Perform root cause analysis (RCA) and implement preventive measures

Work closely with development, QA, and business teams to resolve defects and improve system performance

Execute and validate SQL queries, data fixes, and backend troubleshooting

Support batch processing, job monitoring, and scheduling tools

Participate in release deployments and post-release validations

Maintain documentation for incidents, known issues, and support procedures

Ensure compliance with banking security and regulatory standards

Provide on-call support and handle critical production incidents

Technical Skills:

Strong experience in Java-based applications support
Proficiency in SQL (Oracle / MySQL / PostgreSQL) for data analysis and issue resolution
Experience with Unix/Linux environments
Familiarity with application servers (e.g., WebLogic, Tomcat)
Knowledge of batch jobs, schedulers (e.g., Control-M, Autosys)
Understanding of APIs, microservices architecture, and logs analysis

Domain Knowledge:

Strong understanding of Retail Banking systems
Hands-on experience with Credit/Debit Card lifecycle (authorization, clearing, settlement)
Knowledge of payment networks (e.g., Visa, Mastercard) is a plus

Soft Skills:

Strong analytical and problem-solving skills
Excellent communication and stakeholder management
Ability to work under pressure in a production support environment
Team player with a proactive approach

Preferred Qualifications:

Experience with ITIL processes (Incident, Problem, Change Management)
Exposure to monitoring tools (e.g., Splunk, Dynatrace, AppDynamics)
Prior experience in banking or financial services domain