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

3pillarglobal

Chennai permanent

Posted: April 3, 2026

Required Skills

Job Description

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.

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

Regards

Rajan Paul(Linkedin ID)

3Pillar Global

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