Senior Application Support Engineer with Java, SQL & Credit Card Domain Exp. at 3Pillar

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