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

Application Support Engineer

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