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Gunasekaran Guna

@gunasekaranguna

Senior Java Developer at BNP Paribas who delivered a regulatory e-invoicing module now processing 50K+ invoices monthly.

India

Message

At BNP Paribas, I designed and delivered DB Fees EIR, a regulatory e-invoicing module built to meet the French e-invoicing mandate. It parses CII-standard XML, maps 40+ regulated fields, and now processes 50K+ invoices a month.

I also own fee-calculation logic for WebBrokerage, supporting 200 brokerage accounts and processing 100,000+ deals a day. Earlier, at IVTL Infoview Technologies Pvt Ltd, I built core modules for the HUEAC supply chain platform and modernized a legacy Pascal-based ERP system into a Java web application.

Experience

Work history, roles, and key accomplishments

Current

Senior Java Developer

Current

BNP Paribas

Feb 2022 - Present (4 years 8 months)

Owned end-to-end fee-calculation logic for Web Brokerage, supporting 200 brokerage accounts and processing 100,000+ deals per day. Led Java 8 to 17 migration and enhanced fee calculation and reconciliation logic.

Java 17 Spring Boot Hibernate JPA Oracle SQL SpringBatch Angular REST APIs Java 11 Spring Framework IBM MQ Kafka

Senior Java Developer

IVTL Infoview Technologies Pvt Ltd

Oct 2019 - Jan 2022 (2 years 3 months)

Mentored a team of 8 engineers in developing an SCM product, covering effort estimation, requirement analysis, design, and development. Built core modules using Java 8, Spring Boot, and Spring Security within a microservices architecture.

Java 8 Spring Boot Microservices Spring Security Postman

Application Developer

IVTL Infoview Technologies Pvt Ltd

Jun 2015 - Sep 2019 (4 years 3 months)

Modernized a legacy Pascal-based ERP system into a Java web application. Designed RESTful web services for dynamic dataset manipulation and collaborated with Japanese clients on specification changes.

Java 8 Hibernate Spring MVC SQL REST