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I am a highly committed IT professional with 19 years of experience in the financial services sector. I specialize in Oracle/PLSQL, performance tuning, and database upgrades up to 19c, and I enjoy turning complex data challenges into reliable solutions. In my recent roles I led production support for Flexcube applications, automated patch deployment across EMEA, reduced major incidents and go-live risks, and collaborated with business users across branches to deliver critical regulatory projects on time.…I am a highly committed IT professional with 19 years of experience in the financial services sector. I specialize in Oracle/PLSQL, performance tuning, and database upgrades up to 19c, and I enjoy turning complex data challenges into reliable solutions. In my recent roles I led production support for Flexcube applications, automated patch deployment across EMEA, reduced major incidents and go-live risks, and collaborated with business users across branches to deliver critical regulatory projects on time.

Jayaramachandran Selvaraj

Project Manager, Programmer, Data Analyst, +2

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I am a highly committed IT professional with 19 years of experience in the financial services sector. I specialize in Oracle/PLSQL, performance tuning, and database upgrades up to 19c, and I enjoy turning complex data challenges into reliable solutions. In my recent roles I led production support for Flexcube applications, automated patch deployment across EMEA, reduced major incidents and go-live risks, and collaborated with business users across branches to deliver critical regulatory projects on time.…I am a highly committed IT professional with 19 years of experience in the financial services sector. I specialize in Oracle/PLSQL, performance tuning, and database upgrades up to 19c, and I enjoy turning complex data challenges into reliable solutions. In my recent roles I led production support for Flexcube applications, automated patch deployment across EMEA, reduced major incidents and go-live risks, and collaborated with business users across branches to deliver critical regulatory projects on time.

Available to hire

I am a highly committed IT professional with 19 years of experience in the financial services sector. I specialize in Oracle/PLSQL, performance tuning, and database upgrades up to 19c, and I enjoy turning complex data challenges into reliable solutions.

In my recent roles I led production support for Flexcube applications, automated patch deployment across EMEA, reduced major incidents and go-live risks, and collaborated with business users across branches to deliver critical regulatory projects on time.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Production Support Lead / PLSQL Developer at Citigroup

October 1, 2017 - November 18, 2025

Lead production support for Flexcube/FMS environments in Belfast. Reviewed packages and procedures, tuned long-running queries (AWR-focused), and designed optimized queries for critical business reports. Implemented automated VTM patching and DBWEB 2.0 utilities to reduce manual touchpoints, significantly lowering incident tickets and go-live risk. Coordinated COB transitions, validated BAU functionality, and contributed to a successful 19c upgrade across CIS branches. Achieved high Autosys job reliability and streamlined server migrations (Linux) and COB testing across CIS, CGM, SSA, POL, and WE regions. Collaborated with development teams to prioritize bug fixes and maintained production stability.