Data Scientist

Profileimage by ARINDAM GHOSH Data Scientist from Kolkata
  • 700061 Kolkata Freelancer in
  • Graduation: Bachelor of Electrical Engineering
  • Hourly-/Daily rates: 300 £/day
    Negotiable as seeking first break in freelancing
  • Languages: German (Elementary) | English (Limited professional) | Hindi (Limited professional)
  • Last update: 06.01.2019
Profileimage by ARINDAM GHOSH Data Scientist from Kolkata

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Consultant with over 10 years’ experience across technologies in the life & pensions, retail, telecom and retail banking sectors. Extensive development, solution design, requirements gathering, process mapping and data analysis skills. Experience of leading development teams in both Agile and Waterfall environments. Good client and stakeholder management skills. The link to my LinkedIn profile is

Deep Learning Specialisation in Coursera, 2018
Financial Markets course in Coursera, 2017
SAS Advanced Certification, 2016
SAS Base Certification, 2014
Machine Learning course from Coursera, 2013
Certified in Business Analytics and Business Intelligence from Indian Institute of Management, Ranchi, India, 2013
B.Eng. Electrical, Jadavpur University, Kolkata, India, 2007
ISC, Vivekananda Mission School, Kolkata, India, 2003
ICSE, Vivekananda Mission School, Kolkata, India, 2001

Technology Skills
SAS Enterprise Guide, SAS Enterprise Miner, SAS DI Studio, SAS VA, SAS Model Manager
SAS Operation Research
MS Office Suite, SAS Excel AddIn, VBA, Excel Power Pivot
SQL, Teradata, Oracle
R, Python
Hadoop / Hive (Cloudera)
Mainframe: METACOBOL / COBOL 400, JCL, IDEAL, DATACOM-DB, DB2 and ChangeMan

Domain & Functional Skills
Design & Development
Project Management

Industry Experience
Life & Pension
Personal Banking
Stock Trading

Roles Undertaken
Data Scientist
Statistical Data Modeller
SAS Consultant
IT Consultant
Team Lead
I am currently working for a Stock Trader in India from October 2018 as a Data Scientist. Some of the highlights are as follows.
Responsible for design, development, testing and automation of a real time trading decision system.
Build price breakout models based on historical behaviour and volatility.
Build a Python application to extract end of day stock prices, analyse the data and apply models to predict breakout price regions for next day.
Build a backtesting platform in Python to measure the performance of various models on various stocks.
Integrate the application with the API of real time data provider as well as the API of the broker for end to end automation

I worked for Business Data Partners (BDP) in United Kingdom from November 2015 to September 2018 as a Consultant. Some of the highlights are as follows.

International e-Retailer, Liverpool – Data Scientist, January 2017 to September 2018
Worked on a large optimization project to enable customer retention through targeted discounts
Responsible for development and design of data models and statistical models in SAS to perform the necessary analysis and deliver outputs.
Designed experiment plan and structure to test model performance and incrementality.
Used Propensity modelling, Linear Programming and Rank Ordering based optimization to give offers to customers that generate maximum return on investment and maximum response.
SAS Enterprise Miner used to set up the models, SAS OR for optimisation along with SAS EG and Teradata
Excel Power Pivot is used for adhoc reporting and analysis of tests while SAS VA is used for strategic reporting
Interact with the product owner
Working in an agile environment, attending daily scrums, demos, sprint planning and retrospectives
Helping manage the Jira board whilst using confluence to document processes
Delivered training and learning sessions around SAS Enterprise Miner

International Bank, Edinburgh – SAS Consultant & Statistical Modeller, April 2016 to December 2016
Worked to develop Risk Based Pricing strategy for the credit card portfolio
Responsible for developing data models and statistical models in SAS to perform the necessary analysis and deliver outputs.
Used one-year risk scores, payment tolerance of customers, attrition, etc to produce projected profit and loss statement, showing the impact of the campaign.
SAS AddIn for Excel along with SAS Stored Process used to set up the model and make the model usable by non-SAS users along with SAS EG, Excel VBA, Teradata and SQL Server
Interacted with the program sponsor
Delivered training and learning sessions around SAS Stored Process integration with Excel

International Bank, London – SAS Consultant & Statistical Modeller, November 2015 to March 2016
Worked to understand the drivers to Net Promoter Score
Worked to develop a Linear Programming Model to distribute Managers within limited office location
Responsible for development of data models and statistical models in SAS to perform the necessary analysis and deliver outputs.
Reports created in SAS VA.
Chi-sq, ANNOVA and descriptive statistics used to support the insights from NPS driver.
SAS Linear Programming procedure used to optimise the distance and distribution of managers.
SAS EG, SAS OR, SAS VA and Teradata used
Interacted with the program sponsor. Additionally, interacted with SAS in relation to SAS VA.
Delivered training and learning sessions around SAS VA

I worked for Tata Consultancy Services (TCS) in India / United Kingdom from October 2007 to October 2015 as a Consultant. Some of the highlights are as follows.

International Bank, New York / Kolkata – Data Migration Consultant, January 2015 to October 2015
Developed an analytical layer for the AML department in Hadoop
Led a team of two to prepare unix scripts to generate sqoop commands for bringing the data from oracle to hadoop, pushing the data to various layers as per departments and line of business.
Tested and converted the existing SAS models to R in Hadoop environment
Hadoop, Sqoop, Hive, Beeline, Unix shell scripting, SAS and R used
Interacted with the project manager, program sponsor, chief data officer, AML Analysts

International Telecom Service Provider, London – Operation Planner, July 2013 to December 2014
Worked to automated and develop a data driven application to optimize field engineers’ work allocation
Led a team of two to analyse the data, create a model for engineer productivity forecasting and job attrition forecasting
PL/SQL, Excel used
Interacted up to the regional Planning managers

International Media Consultant, London / Kolkata – Statistical Modeller, January 2013 to June 2013
Worked to develop models to forecast the best website and TV channel for advertisement
Responsible to analyse the monthly cost of advertisement at various demographically separated levels. Few assumptions made to simplify the problem.
Delivered ARIMA based model to forecast the next six months of optimized advertisement spend
R, Excel, Lingo used
Interacted up to the programme manager

International Life & Pension Company, Edinburgh – Data Consultant, June 2010 to December 2012
Worked to clean up the legacy data so that policy valuation is accurate
Led a team of four to analyse the data, identify data patterns, built an application spanning across various platforms to fix incorrect data
Fixed the source system injecting the bad data
SAS DI, SAS EG and Mainframe used
Interacted up to the IT Director

International Life & Pension Company, Kolkata / Edinburgh – Analyst / Developer, January 2008 to May 2010
Worked to analyse and develop business requirements
Coordinated work from client site and offshore development centre
Contributed as a part of a wider team and guided juniors
Mainframe used
Interacted up to Project Manager

Support Sales Team
Solved the same LP optimisation problem in SAS, R and Python to showcase company’s capability, 2018.
Represent my company in SAS UK forum with a live demo, 2018
Explored RFM model to cluster customers into segments for designing lifetime value as part of RfP, 2015
Explore movie recommendation engines using collaborative filtering as part of RfP, 2014
Forecast marathon runner time based on historical data to support an important marketing campaign of the company, 2014

I am currently in India. I will need work visa sponsorship to work outside India. I am willing to bear the cost of work visa. Offshore contract / Remote working will be ideal.