KRISHNENDU DEY
Kolkata
Summary
Senior Oracle EBS developer with over 15 years of experience in designing, implementing, and optimizing Oracle E-Business Suite applications, particularly in supply chain management modules. Demonstrated success in delivering enterprise-grade solutions with expertise in purchasing, inventory, order management, and accounts payable. Skilled in full-cycle development, including requirements analysis, technical design, coding, testing, deployment, and production support. Recognized for writing efficient PL/SQL code, enhancing database performance, and collaborating with cross-functional teams to address complex business challenges.
Overview
16
16
years of professional experience
8
8
Certification
6
6
years of post-secondary education
Work History
Oracle Technical Lead
Tata Consultancy Services
Kolkata
12.2024 - Current
- Healthcare Application Development – Cigna
- Led project delivery cycles using Agile methodologies, managing cross-functional teams for timely execution and quality adherence.
- Architected end-to-end solutions with Oracle SQL, PL/SQL, Forms, and Reports for scalable enterprise healthcare applications.
- Implemented performance tuning strategies to optimize database queries and enhance application responsiveness.
- Utilized tech stack including Oracle SQL, PL/SQL, Forms, Reports, and Shell scripting to streamline application development.
Senior Oracle EBS Developer
Tata Consultancy Services
Columbus
09.2022 - 11.2024
- Order-to-Cash Development & Support – McGraw Hill
- Designed and developed customizations for Oracle EBS R12 order-to-cash cycle.
- Engineered complex PL/SQL packages, procedures, functions, and triggers to support critical business workflows.
- Developed integration interfaces for seamless data exchange between Oracle EBS and third-party systems.
- Conducted root cause analysis to implement permanent fixes for recurring system issues.
- Utilized tech stack including Oracle EBS R12 purchasing, inventory, order management, SQL, PL/SQL, forms, and reports.
Oracle Application Technical Support and Tester
Tata Consultancy Services
Kolkata
08.2021 - 08.2022
- Oracle Fusion Upgrade Technical Support and Testing - McGraw Hill
- Validated functionality of OTBI reports to ensure accuracy and compliance with business standards.
- Identified and documented defects in JIRA, collaborating with development teams for prompt resolution.
- Supported user acceptance testing activities by providing status updates and facilitating stakeholder communication.
- Utilized Oracle Fusion BIP reporting and SQL to enhance testing processes.
Senior Oracle EBS Developer
Tata Consultancy Services
Kolkata
06.2019 - 07.2021
- Revenue Management Implementation – McGraw Hill
- Spearheaded integration of sales order and AR invoice data between Oracle EBS R12 and Zuora RevPro.
- Developed sophisticated PL/SQL logic ensuring ASC 606 revenue recognition compliance through data extraction, transformation, and validation.
- Built reconciliation programs maintaining data integrity by proactively identifying and resolving discrepancies.
- Optimized high-volume SQL queries to reduce processing time and support successful production go-live.
Senior Oracle EBS Developer
Tata Consultancy Services
Kolkata
06.2018 - 05.2019
- Subscription Reengineering Implementation – McGraw Hill
- Reengineered subscription lifecycle processes to support creation, amendments, renewals, and billing operations.
- Developed automated batch programs for processing over 50,000 transactions monthly.
- Implemented exception handling and audit logging mechanisms to ensure financial accuracy and compliance.
Oracle EBS Developer
Tata Consultancy Services
Montevideo
12.2016 - 05.2018
- Procure-to-Pay Development & Support – McGraw Hill
- Designed and maintained procure-to-pay modules for purchasing, accounts payable, and inventory management.
- Leveraged open interface tables and standard APIs to ensure seamless integration with external vendor systems.
- Enhanced workflows for purchase order approvals, invoice processing, and supplier management based on business requirements.
Oracle EBS Developer
Tata Consultancy Services
Kolkata
03.2013 - 11.2016
- Order-to-Cash Application Development and Support - McGraw Hill
- Directed development and support activities for Oracle EBS O2C modules, including OM, PO, and inventory.
- Developed and optimized PL/SQL objects, interfaces, reports, and customizations.
- Resolved critical business issues within SLA while providing production support.
PL/SQL Developer
Tata Consultancy Services
Bangalore
07.2010 - 02.2013
- Web Technology Support (United Technologies): Provided L2/L3 support for Baan ERP, RF Gateway, and B2B e-commerce systems
- Application Support (Electronic Arts): Delivered bug fixes, incident resolution, and production support for gaming applications
Education
Master of Technology - VLSI Design
Calcutta University
07.2008 - 06.2010
Bachelor of Technology - Electronics and Communication Engineering
Haldia Institute of Technology
06.2004 - 07.2008
Skills
- Oracle E-Business Suite R12
- Advanced PL/SQL & SQL
- Oracle Forms & Reports
- SCM: Purchasing, Inventory, OM
- Oracle Accounts Payable
- Interface Development & APIs
- Performance Tuning
- Data Migration & Conversion
- Production Support & Troubleshooting
Certification
- Generative AI Leader Certification, 01/26
- Oracle Cloud Infrastructure 2025 Certified AI Foundations Associate, 10/25
- Oracle Fusion Cloud Applications SCM Foundations Associate - Rel 1, 05/25
- Oracle Fusion Cloud Applications ERP Foundations Associate - Rel 1, 05/25
- Oracle Cloud Success Navigator Essentials, 05/25
- Oracle Financials Cloud: Payables 2018 Implementation Essentials, 07/19
- Oracle E-Business Suite 12 Supply Chain Certified Implementation Specialist: Oracle Purchasing, 09/15
- Oracle PL/SQL Developer Certified Associate (OCA Certification), 08/15
Timeline
Oracle Technical Lead
Tata Consultancy Services
12.2024 - Current
Senior Oracle EBS Developer
Tata Consultancy Services
09.2022 - 11.2024
Oracle Application Technical Support and Tester
Tata Consultancy Services
08.2021 - 08.2022
Senior Oracle EBS Developer
Tata Consultancy Services
06.2019 - 07.2021
Senior Oracle EBS Developer
Tata Consultancy Services
06.2018 - 05.2019
Oracle EBS Developer
Tata Consultancy Services
12.2016 - 05.2018
Oracle EBS Developer
Tata Consultancy Services
03.2013 - 11.2016
PL/SQL Developer
Tata Consultancy Services
07.2010 - 02.2013
Master of Technology - VLSI Design
Calcutta University
07.2008 - 06.2010
Bachelor of Technology - Electronics and Communication Engineering
Haldia Institute of Technology
06.2004 - 07.2008