Abhishek Dutta
Kolkata
Summary
Offering around 11 years of experience in AS400 (RPG/400, RPGLE, Free Format RPG, Display Files & Subfiles, QMQRY, CL Programming , Cobol400, DB2, SQLRPGLE, XML,JSONs and SQLCBLLE.) Have worked in Insurance, Banking ,Telecom & Retail Domain sector projects. Good knowledge on AS400 Functionalities (Jobs, Batch Debugging, Journalling), RPG/400, RPGLE, COBOL/400, Free Format RPG and CL programming.) and AS400 Tools(ALDON Change Management System, Automon Scheduler for IBM iSeries) and Implementer(AS/400). Have Knowledge in ILE Concepts (Module, Procedure & Service program). Worked as an onsite coordinator in Client location (Dubai) for MetLife and involved in BRD preparations, Project Delivery, production deployments. Experienced in requirement gathering of Insurance domain enhancements and building appropriate solutions to business issues. Experienced in Development of Insurance Domain Functionalities (like Commission Calculation Engines, Regular and Singular Premium Calculations, Top-ups, Bonds, Life Cover developed in RPGLE, COBOL400 and DB2400) Extensive Knowledge in Insurance Domain Functionality. Has the motivation to take independent responsibility and ownership as well as ability to contribute and be a productive team leader. Have development experience in AS400- COBOL, RPG, RPGLE, CLLE, CLP and DB2. Good team member, positive attitude and result oriented Self-motivated, willing to adapt to new challenges, leading and quick learning skills as well as keen interest in the emerging technologies.
Overview
11
11
years of professional experience
Work History
Packaged App Development Team Lead
Accenture
Kolkata
09.2025 - Current
- Currently working as AS/400 Team Leader in an application production support area as a part of FedEx Accenture Project.
- Involved in leading a team on the enhancement of applications designed in AS/400 - RPGLE, CL programming, COBOL/400, DB2/400 and SQL.
- Also involved in managing the team in the daily support activities, incidents , On call support activities, Investigation of complex issues and reporting the same on time with solution to the issues and maintaining Kedb.
Senior Application Developer
IBM
Kolkata
07.2024 - 09.2025
- Worked as AS/400 Technical Lead in Herc Rentals Project.
- Involved in managing a team of 5 people
- Working on building JSONs to migrate data from AS/400 to Oracle Integration Cloud.
- Gained Knowledge on the various aspects of the Project and training new joiners.
Senior Application Developer
IBM
Kolkata
10.2023 - 06.2024
- Worked as AS/400 Technical Lead and Application Support Professional in IBM as a part of Currys Group Project(iDmobile).
- Involved in enhancement of Reports related to Telecom Subscribers activities (ex:- New Registration, Existing Subscriber Plan and Tariff changes, configuring new packages)
- Designed Daily reports to check the total number of portin and portouts happened on a particular day and scheduling the job in Automon Scheduler.
- Involved in Batch debugging of Jobs for identification of issues.
- Worked on priority Incidents and delivered solution within SLA.
- Daily Health checks of CMP application which holds data for each sim connections.
- Providing on call support on the weekends to ensure normal flow of applications.
Senior Application Developer
IBM
Kolkata
12.2022 - 10.2023
- Worked on the data migration project to migrate the data from I90 application (in AS400) to DuckCreek Application in Hollard as a part of Commonwealth Bank of Australia Project.
- As a part of this data migration project, programs (RPGLE, CL, DB2, XML) are developed to write data from I90 AS400 Database in CBA to XML which will be passed to Hollard and the data will be picked up by Duckcreek Application at their end.
- Involved in Analysis, Design, Coding, testing and deployment of components for this data migration project.
- We are following an Agile model where deliverables are divided into sprints and each sprint lasts for 2 weeks which includes working on user stories, backlogs and defect fixes.
Information Technology Analyst (Senior Developer)
Tata Consultancy Services
Kolkata
08.2019 - 12.2022
- Worked on the enhancement of Policy Level Functionalities for onboarding of new Insurance Products, Calculation of Commissions to be paid to the various agents, Claw back, Changes related End of the Day Batch Processing & Agent Compensation Batch Run to generate updated Commission Statements, Total Collected Premium for a particular Agent.
- Worked as Onsite Lead in Client location MetLife-Dubai, primarily involved in project deliverables and managing a team of 9 members in offshore location.
- Worked on enhancement of the Billing Cycle for the Maturity and Expiration of the Policies once their Maturity or Expiration date has arrived for Emirates Bank Products.
- Recently implemented the Free Cover functionality for some products where there will be an option given to the policy holder where he will not be required to pay premium for 3 months (Free Period) and after which the premium has to be paid in order to continue the coverage benefits.
- If the premium is not paid after the Free Cover period is over then the policy will be lapsed.
- Worked on the enhancement of functionalities related to raising of Claims, Beneficiaries Payments made on a claim and various processing related to a policy like Policy Surrender, Riders Indexation, Policy Renewal, Coverage amount and Premium Calculations.
- Involved in Analysis, Design and Coding of components for the enhancements.
- Fixing of Issues on production sides.
- Taking Backup of Libraries in Save files before Batch run and restoring the environment from the backups if there is any failure in the Batch.
Application Developer
Tata Consultancy Services
Kolkata
05.2018 - 08.2019
- Working on writing of codes in COBOL400 as a part of Enhancement Project to make functional changes as requested by business.
- Involved in peer review of the Coding done by other team members.
- Worked on Addition of new fields (like Customer Written, Spoken Language, MLA covered, etc.) and handling their further population on the Loan Application Screens in Loan App GUI (Loan Application is processed in Front-End in GUI) and the same to be populated on the Account Side.
- This involved the new fields are added into the Application Tables and Also to the Account tables.
- Worked on Cobol 400 programs to handle these fields and the same Fields are added into the Cobol SQL I-O Modules.
- Worked on enhancement of Borrower Assistance functionalities (Loan Modification, Deferment Requests and Loan Re-Age) in Cobol400 and DB2400 to include newer fields in the forms generated after a request is completed.
- New Screens (Subfiles DSPFs) are also developed as a part of this enhancement.
Senior Developer
HCL Technologies
Noida
05.2017 - 05.2018
- Worked in the development of Stock Replenishment Application (Developed in RPGLE, SQLRPGLE and CLLE) to allocate the various types of Items to specified locations (01- Window Display, 02-Shop-Floor…07-Quarantine) based on the way they are scanned in RF Gun from the Distribution Center/Warehouse.
- Worked in enhancement of Daybook Application (Developed in AS400-RPGLE, CLLE and DB2400, written Service Programs and Modules) where the Feeds from various systems like B2B, Property Sages, Gentran and EDI are Feed to Client Auditing application (CODA).
- As a part of the migration project Phoenix of Debenhams where a new data center to be created, I have designed many tables in DB2400 and used SQLRPGLE programs to manipulate data and designed Data areas to hold shared information to be used by business.
- Performed Review of the Codes done by juniors as a part of Peer Review as per review checklists and corrected the codes based on the standards.
AS400 Support & Maintenance Engineer
HCL Technologies
Chennai
01.2015 - 06.2017
- Involved in taking up Incidents, Abnormal Occurrence Reports (AORs) Handling which occur due to overnight job failures like End of Day processing and fixing them on time mentioned in the SLA.
Education
B.Tech - Electronics and Communication Engineering
Greater Kolkata College of Engineering and Management
KolkataSkills
- AS400- COBOL
- RPGLE
- RPG/400
- CL Programming
- CLLE
- DB2
- XML
- JSON
- SQL Server 2008
- HTML
- Eclipse(X-analysis)
- Microsoft SQL Server
- ITIL
- ALDON
- Implementer
- ServiceNow
- JIRA
- Confluence
- Automon Scheduler for IBM iSeries
- Mainframe Cobol
- JCL
- Core Java
- AS400 DB2400
- SQL/400
- Windows
- MS-DOS
- OS/400
- Z/OS
- Agile
- Insurance
- Estimation
Languages
- English
- Hindi
- Bengali
Experience Profile
- AS400 Technical Lead, Herc Rentals, IBM, Kolkata, West Bengal, 07/01/24, Present
- Senior AS400 Application Support Lead, Currys Group (IDmobile), IBM, Kolkata, West Bengal, 10/25/23, 06/25/24
- Senior Application Developer, Commonwealth Bank of Australia, IBM, Kolkata, West Bengal, 12/09/22, Present
- Information Technology Analyst (Senior Developer), Tata Consultancy Services, Kolkata, Kolkata, West Bengal, 08/01/19, 12/06/22
- AS400 Lead and Project Manager, MetLife, Dubai, Dubai, Dubai, 02/07/22, 08/31/22
- Senior Developer, Tata Consultancy Services, One Main Financial Project, 05/30/18, 07/31/19
- RPGILE Developer, HCL Technologies, Noida, Noida, Uttar Pradesh, 05/01/17, 05/22/18
- Software Engineer (AS400 Support & Maintenance Engineer), HCL Technologies, Chennai, Chennai, Tamil Nadu, 01/01/15, 05/31/17
- Fresher, HCL Technologies, Bangalore, Bangalore, Karnataka, 09/01/14, 12/31/14
Personal Information
- Passport Number: Z7635250
- Date of Birth: 06/11/91
- Nationality: Indian
Timeline
Packaged App Development Team Lead
Accenture
09.2025 - Current
Senior Application Developer
IBM
07.2024 - 09.2025
Senior Application Developer
IBM
10.2023 - 06.2024
Senior Application Developer
IBM
12.2022 - 10.2023
Information Technology Analyst (Senior Developer)
Tata Consultancy Services
08.2019 - 12.2022
Application Developer
Tata Consultancy Services
05.2018 - 08.2019
Senior Developer
HCL Technologies
05.2017 - 05.2018
AS400 Support & Maintenance Engineer
HCL Technologies
01.2015 - 06.2017
B.Tech - Electronics and Communication Engineering
Greater Kolkata College of Engineering and Management