Tathagata Chakroborty

[email protected] (91) 987-882-5344 Beverly Hills Society, Hinjewadi, Pune, Maharashtra -411057

PROFESSIONAL SUMMARY

Dynamic SAP IS-U Billing & Invoicing professional with over 18 years of experience in the utilities sector, driving operational efficiency and enhancing customer satisfaction. Successfully led a teams to implement billing systems & upgrades, that reduced processing time by 30%, resulting in a annual cost savings. Known for exceptional analytical and problem-solving skills, I thrive in fast-paced environments and am committed to delivering innovative solutions that meet organizational goals.

WORK EXPERIENCE

Tower Lead, Billing & Invoicing
04/2025 - Present
Accenture Services Pvt Ltd
Tariff Management
o Requirement Gathering, workshops
o Solution designing & strategy
o Regulatory Changes and implementation
o Special Contract related changes
Complex Billing Configuration
o Complex Billing
o MPM billing
Defect Management
Client & Team Handling
Stakeholder Management
Testing
o Assembly testing
o Product Testing
o E2E testing
o Operational Readiness testing
Tower Lead, Billing & Invoicing
01/2023 - 03/2024
Accenture Services Pvt Ltd
Led tariff management initiatives, gathering requirements and implementing design changes that resulted in a 20% reduction in billing discrepancies across 5,000+ accounts
Spearheaded complex billing configurations, including RTP and conditional billing, enhancing accuracy and reducing processing time by 30%
Managed defect resolution processes, achieving a 40% decrease in reported defects through proactive testing and team collaboration
Directed a cross-functional team of 10, fostering a culture of continuous improvement and achieving a 95% operational readiness score during product testing phases
SME, Billing & Invoicing
01/2020 - 12/2022
Accenture Services Pvt Ltd
Tariff Management
Requirement Gathering
Design changes
Regulatory Changes
Special Contract related changes
Complex Billing Configuration
RTP Billing
Conditional Billing
Defect Management
Team Handling
Testing
Product Testing
Operational Readiness testing
MDMS & Big Data Consultant
05/2019 - 12/2019
Accenture Services Pvt Ltd
Streamline direct office services such as departmental finances, records, budget preparation, personnel issues, and housekeeping, vastly reducing wasted time and saving $150,000 per year.
Read and analyse incoming reports and memos to determine their importance and plan their distribution across a staff of 15.
Conduct in-depth research, compile data, and prepare papers for consideration in biannual reviews presented to high-level executives and governing committees.
Prepare daily memos, reports, invoices, financial statements, and other documents using word processing, database, spreadsheet, or presentation software.
SAP ISU Functional Consultant
08/2018 - 05/2019
Wipro Technologies
Worked on POC & MAR releases which comprises of mainly regulatory changes dealing in changes occurring in B2B transactions
Worked on new API’s being developed to cater to communication required between different market players which are other than B2B transactions but should follow common market protocols.
Written Functional specifications for various existing and new functionalizes being introduced
Performed Unit Testing & Functional testing
Provided support to build team and testing team to effectively complete both build and testing for the objects
Created documentations for adherence to Quality Assurance.
SAP ISU Functional Consultant (Billing & Invoicing)
12/2017 - 08/2018
Wipro Technologies
Journey Lead – Leading offshore finance journey team for SIT and coordinating with onsite team, third party and technical team to mitigate issues and complete the deliverables on time
Identifying the Risks in early stages of testing and planning appropriate mitigation
Been part of C4C Account Update journey testing, got first-hand exposure of business processed and its corresponding mapping in C4C.
Functional Unit testing – Performed functional unit testing for changes in master data for other water clients
System testing – Performed FICA unit testing for Refund, Direct Debit, Contract Account Changes, Dunning correspondence, litigation etc.
System Integration testing – Executing FI relevant test cases in SIT
SAP ISU Functional Consultant (Billing & Invoicing)
02/2016 - 11/2017
Accenture Services Pvt Ltd , Addis, Ethiopia
Leading Billing, FICA & CRM team
Participated in project planning activities, resource allocation, budget allocation and time management
Solution architect for Billing & Invoicing module.
Understanding Scope of the project and operational challenges.
Creation and changes of Billing Master Data, Mass Tariff changes, adapt regulatory changes
Functional Testing of various Billing related functionalities and integration points with other modules
Resolution of defects raised by the users and creation of transaction data for testing.
Creation and updating of Functional Designs.
Assist in Customize the SAP system for FICA, DM & CRM modules
Built and managed team of individuals with different skills so that each member contributes effectively to the best of their abilities
SAP ISU Team Lead (Billing & Invoicing / FICA)
05/2014 - 08/2015
Accenture Services Pvt Ltd
Creation of BBP and BPD’s and User Manual and EUT.
Designed & Configured Billing Master Data (Rates, Schemas, Rate Categories, Price Key’s, Rate Determinations, Fact Groups ).
Gap analysis & custom development
Bill matching and cut over activities.
Migration of Data from Legacy System
Creation of Functional design documents for the enhancements and reports.
SAP ISU Functional Consultant (Billing & Invoicing)
11/2013 - 01/2016
Accenture Services Pvt Ltd , Patiala, India
Creation and changes of Billing Master Data, Mass Tariff changes, adapt regulatory changes
Functional Testing of various Billing related issues.
Resolution of defects raised by the users and creation of transaction data for testing.
Creation and updating of Functional Designs.
Assist in Customize the SAP system for billing
Customization and Functional Testing requested by client for the changes.
SAP ISU Functional Consultant (Billing & Invoicing)
06/2012 - 10/2013
UST Software India (P) Ltd , Jamshedpur, India
Involving in Issue Resolution for Incidents logged in Issue tracker
Adapt Regulatory changes & Mass Tariff changes
Customization and formal Functional Testing requested by client for the changes
Resolution of defects raised by the users and creation of transaction data for testing.
Documentation of test cases.
Creation of FD for RICEFW objects related to B&I, DM.
Master Data changes for implementing correction and changes as per client requirement
SAP ISU Functional Consultant (Billing & Invoicing)
12/2011 - 06/2012
UST Software India (P) Ltd , Jamshedpur, India
Creation of Proposal documents and Impact Analysis.
Creation of BBP and BPD’s and User Manual and EUT.
Designed & Configured Billing Master Data (Rates, Schemas, Rate Categories, Price Key’s, Rate Determinations, Fact Groups ).
Bill matching and cut over activities.
Customization and formal Functional Testing requested by client for the changes.
Functional design (FD) for technical development
Creation of Functional design documents for the enhancements and reports.
PWB related tasks, Bill Form Creation and Specification for Development
Migration of Data from Legacy System.
Associate Executive - IT
12/2007 - 11/2010
BSES Yamuna Pvt Ltd (Reliance Energy)
Coordinating daily customer related process, viz creation, updating, name change, load enhancement, complaint resolution through legacy application CAS.
Feasibility check (Commercial & Technical) for providing new connection.
Billing related tasks such as unscheduled bill generation, printing and distribution.
Analysis of scheduled bills against business validations and taking corrective action.
Disconnection/Reconnection related tasks, such as site survey, analysing & regularising incremental consumption disconnected customers.
Meter management related tasks such as device testing initiation, device replacement, removal, interim meter reading.
SAP ISU Billing related tasks such as Periodic billing of customer groups, Interim billing as per request, creation of billing order.
Analysing billing exceptional cases i.e. Outsorted cases and releasing them
Reversal of billing and invoicing documents.
Correction of billing documents through EABICO.
Creation of spool for periodic invoice documents.
Creation of manual billing documents as per requirement.
Device Management related processes wiz installation, removal, replacement etc.
Responsible for the Customer Service processes such as Disconnection /Reconnection processes, New connection processes, Extension processes etc.
Handling the Customer Service orders and notifications for the CS processes. Identified and created task list, main work centres, user status, and maintenance activity type and planner groups

EDUCATION

Master of Computer Application
Sikkim Manipal Institute of Technology, Majhitar ,Sikkim
Bachelor of Science in Chemistry (B.Sc. – Chem.)
North Bengal University, Siliguri, WB
Higher Secondary Certificate (H. S. C.) - Science
Central Board of Secondary Education, Hasimara, WB
Secondary School Certificate
Central Board of Secondary Education, Hasimara, WB

SKILLS

CERTIFICATIONS

C_BRIM - SAP Certified Associate Application Consultant - SAP Billing and Revenue Innovation Management - SAP Program
C_FSUTIL - SAP Certified Associate - Utilities with SAP ERP 6.0 - SAP Program
Microsoft Azure Fundamentals
Introduction to Data Science in Python

Similar Resumes You May Like

Kavitha Murugesan

KAVITHA MURUGESAN

Jenna De Freitas

Business development manager

PRAVEENA .A

Ahmed Fazlay Kabir

Senior Manager, Customer Service Operation