Rajeev Ranjan
Pune,MH
Summary
Technical leader with more than 19 years of experience in BigData/DataWarehouse/BI/ERP service setup, transition, practice building, application development, pre-sales, application operation. A data evangelist with extensive experience in data modeling, ingestion, processing and reporting. Have acquired deep knowledge in machine learning/deep learning and implemented few use cases for automation.
Overview
4
4
Certifications
4
4
years of post-secondary education
19
19
years of professional experience
Work History
Data Service Lead
Vodafone shared services
Pune, India
05.2016 - Current
- Currently working on a service transition of GCP based global datalake with daily data volume growth of more than 1 TB..This is a flagship project being co-developed with google and a variety of niche technologies including apache nifi, Hadoop, dataproc, kafka, pubsub, bigquery, datafusion , dataproc ,dataflow , QLIK and colllibra is being used.
- Delivery management of GCP based data lake (SCM data) for process mining, celonis.
- Service delivery of financial datalake based on TERADATA, AB-INITIO, ORACLE HYPERION,QLIKSENSE.
- This solution is used for all financial reporting and closing at Vodafone group level.
- Managing operation team of AWS based IFRS15 reporting solution (20 TB data) transition to shared services team.
- POC development of GCP for data lakes, analytical modeling and reporting.
- Cross trained resource on cloud technologies AWS, GCP, ML &DL.
- Developed technological culture within team to pick new niche technologies.
- Reduced current operation team by more than 25 % with cross skilling, sharing of resources, automation, reorganization and business process optimization.
- Analyzed company processes to determine outsourcing feasibility.
- Managed deliverable estimates, negotiated resource conflicts and allocated resources.
- Headed and successfully managed multi-department rollout of robust, flexible monthly rolling forecast applications.
- Closely collaborated with project members to identify and quickly address problems.
- Managed and motivated project teams to promote collaboration and keep members on-task and productive.
Senior Managing Consultant
IBM India Pvt Ltd
Bangalore, India
05.2010 - 04.2016
- Built COE on ETL including INFORMATICA , ABINITIO, ODI skills and defined standard HLD and LLD documents for ETLs.
- Oversaw financial warehouse project for General motors which included developing detailed and consolidated revenue, cost and opex reporting by function.
- Worked as solution architect for vodafone global planning and budgeting solution delivery which included building global and localized model development for revenue, cost and opex. This solution provided what-if capability to commercial planning people to plan commercial market model and understand impact of same on P&L and BALANCESHEET.
Senior Manager
Kean consulting India Pvt Ltd / Chennai
, India
09.2009 - 04.2010
- Worked on Pfizer project as solution architect which included delivery of datamodel including ERWIN, development of ETL interfaces using informatica and data aggregation using hyperion ESSBASE.
- Supervised and directed technical leadss and delivery teams to keep projects on-track and tasks prioritized.
Senior Consultant
IBM India Pvt Ltd
Bangalore, India
01.2007 - 09.2009
- Hyperion project delivery to Vodafone UK, Sara Lee and Amway
- Presales and asset development based on EPM and BI products
- Analyzed client business processes to propose optimal software applications for unique requirements.
- Presented business leaders with cost-benefit and return-on-investment estimations to drive project planning and execution.
Technical Lead
Wipro group Ltd
Bangalore, Karnataka
03.2006 - 01.2007
- Developed and delivered in-house datawarehousing solution for financial and HR reporting. The solution was developed using DATASTAGE as ETL tool, ERWIN as datamodeling tool , DB2 as datawarehouse database , HYPERION ESSBASE as multidimensional OLAP engine.
Technical Analyst
Intel India Pvt Ltd
Bangalore, India
06.2005 - 03.2006
- Order management and financial reporting application support for Intel Corp based on Hyperion Essbase, Teradata and Microstrategy
Associate consultant
Oracle financial services
Bangalore, India, India
08.2001 - 05.2005
- Centralized data warehouse solution development for Citibank Singapore.
- Implemented credit risk analysis solution at HDFC BANK
- Implemented credit risk analysis, product cross selling,customer profitability and asset liability management at caise scentral desjardins bank.
Education
Bachelor of engineering -
REC SURATHKAL
06.1997 - 06.2001
Skills
BIG Data
Cloud Migration
Machine learning
Data Science
Data Warehousing
ETL
DataModeling
OLAP
DataProc
DataFlow
Spark
Program Management
PnL Managemnet
Practice Setup
Service setup
Agile
DEVOPS
Pre Sales
Solution Architecture
Change Management
Analytical skills
Leadership
Project Management
Accomplishments
- Udacity data engineering Nanodegree.
- Udacity data streaming Nanodegree.
- Udacity Data scientist Nanodegree.
- Udacity DeepLearning Nanodegree.
Certification
1. GOOGLE CLOUD CERTIFIED PROFESSIONAL DATA ENGINEER
Timeline
3. Professional certificate : Tensorflow developer ( coursera)
07-2020
4. Big data engineering with Spark(IIT Roorkee)
05-2020
1. GOOGLE CLOUD CERTIFIED PROFESSIONAL DATA ENGINEER
01-2020
2. GOOGLE CLOUD CERTIFIED PROFESSIONAL CLOUD ARCHITECT
11-2019
Data Service Lead
Vodafone shared services
05.2016 - Current
Senior Managing Consultant
IBM India Pvt Ltd
05.2010 - 04.2016
Senior Manager
Kean consulting India Pvt Ltd / Chennai
09.2009 - 04.2010
Senior Consultant
IBM India Pvt Ltd
01.2007 - 09.2009
Technical Lead
Wipro group Ltd
03.2006 - 01.2007
Technical Analyst
Intel India Pvt Ltd
06.2005 - 03.2006
Associate consultant
Oracle financial services
08.2001 - 05.2005
Bachelor of engineering -
REC SURATHKAL
06.1997 - 06.2001