Debolina Ghosh

Kolkata13 yrs 10 mos experience
Highly Stable

Key Highlights

  • 14+ years of experience in data science and analytics.
  • Led development of analytics platforms for major clients.
  • Expert in predictive modeling and data-driven decision making.
Stackforce AI infers this person is a Data Science and Analytics expert in the Fintech industry.

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Skills

Core Skills

Data ScienceAdvanced AnalyticsData AnalyticsPredictive ModelingData IntegrationBusiness IntelligenceSoftware Development

Other Skills

Application DevelopmentBig Data TechnologiesC/C++ DevelopmentData AnalysisData VisualizationData-Driven Decision MakingDatabase DesignDiagnostic AnalyticsETL ToolsMachine LearningProcess DocumentationRequirement AnalysisStatistical AnalysisUnsupervised Learning

About

14+ years of diverse experience in data science and advanced analytics, transforming…

Experience

Visa

2 roles

Data Scientist - Senior Manager

Promoted

Sep 2022Dec 2024 · 2 yrs 3 mos · Bengaluru, Karnataka, India

  • Visa Destination Insights (VDI)Led the VDI Analytics team in developing a powerful analytics platform enabling Govt. travel agencies and Destination Marketing Organizations (DMOs) to optimize tourism strategies. Spearheaded the development of Travel Forecasting and Anomaly Insights, helping 100+ clients make data-driven decisions for international and domestic tourism planning.- Conducted a successful proof of concept (POC) to validate advanced analytical methodologies, shaping the platform’s predictive capabilities.- Designed and deployed scalable machine learning models to improve forecasting accuracy and detect anomalies in travel patterns.- Developed diagnostic analytics frameworks to analyze sudden surges in tourist influx, providing real-time insights into market shifts and travel trends.- Led impact analysis of major global events (e.g., Super Bowl LIV, Olympics) to quantify their effect on regional tourism and economic activity.- Applied unsupervised learning techniques (clustering) on VisaNet transaction data, combined with third-party datasets, to segment customers into behavioral personas—including low spenders, affluent travelers, frequent travelers, sports enthusiasts, business travelers, and leisure travelers—enabling personalized marketing and strategic decision-making.
Data ScienceAdvanced AnalyticsMachine LearningPredictive ModelingDiagnostic AnalyticsUnsupervised Learning+1

Data Scientist - Manager

Dec 2017Sep 2022 · 4 yrs 9 mos · Bengaluru Area, India

  • Visa Spend Insights (VSI)Led the development of Visa Spend Insights (VSI), an advanced analytics platform providing in-depth spend intelligence to 50+ merchant clients. Designed and implemented key analytical features such as Geo Spend Insights, Market Share Insights, and Wallet Share Insights, enabling merchants to optimize business strategies through data-driven decision-making.-Developed Merchant Spend Share, Wallet Share, and Market Share Insights, allowing merchants to track consumer spending behavior and competitive positioning.-Built predictive models and statistical frameworks to analyze merchant transaction data, uncover spending patterns, and forecast future trends.-Designed and deployed scalable data pipelines using Big Data technologies, ensuring efficient processing of Visa transaction data.-Created interactive Tableau dashboards for real-time reporting, empowering merchant clients with actionable insights into consumer spending.-Conducted deep-dive analyses on regional and category-wise spending trends, helping merchants refine marketing strategies and improve customer engagement.-Collaborated with cross-functional teams, including product managers and data engineers, to enhance analytics solutions and integrate them seamlessly with Visa's data ecosystem.
Data AnalyticsPredictive ModelingData VisualizationBig Data TechnologiesStatistical Analysis

Wipro

Senior Software Engineer

Oct 2015Dec 2017 · 2 yrs 2 mos · Kolkata

  • -SME of the Acquirer & Merchant data integration process.-Monitoring newly received data from acquirer and integrate it to VisaNet system for the consumption of data in the merchant hierarchy.-End to end gap analysis between VISA EU and VISA INC merchant hierarchy systems and help business to decide on the solution for the integration of both the systems.-Requirement gathering and analysis of requirement specification which involved discussion with the business.-Formulating rules to capture merchant transactions and implement them to the production dev as well as production environment.-Preparation of process flow and high level design documents.-Mentoring and guiding employees ensuring all are trained in product knowledge and capable of performing assigned tasks.-Prioritizing important tasks and ensuring all tasks given to resources are done on time and to the required standard.
Data IntegrationRequirement AnalysisProcess Documentation

Rs software

Software Engineer

Jul 2014Sep 2015 · 1 yr 2 mos · Kolkata Area, India

  • Requirements gathering from the SME and analysis of requirements specification.Preparation of data set for the analysis by using BI/ETL tool (Micro Strategy/Ab Initio) for data extraction and generation of various report based on the analysis.Create weekly/monthly/quarterly reports with the help of Advanced Excel tool by extracting data from external data sources.Identificationofthemerchantsbyanalysingthetransactiondataandimplementbusinessrules.Monitoring and analysing merchant behaviour on daily basis and take necessary steps in case of any unexpected behaviour of merchant transactions.Involving in internal review of documentation as well as user training & implementation.
Business IntelligenceETL ToolsData Analysis

Skytech solutions pvt ltd

ASE

Jan 2011Jul 2014 · 3 yrs 6 mos · Kolkata, West Bengal, India

  • Developing the application of POS device in C/C++ to implement the features like new account registration, biometric scan, cash deposit/withdrawal using smart card, money transfer between two accounts, mini statement generation and various report generation modules.Designing & developing database objects like tables, views.Developing centralised knowledge management portal in SharePoint 2010 and implementing workflow for documents upload and retrieval.Creation of a discussion forum within the organization using SharePoint2010.Maintaining different versions of source code using Version Control System.Handling application development as well as unit, integration and system testing.Debugging and troubleshooting the application.Involving in internal review of code & documentation as well as user training & implementation
C/C++ DevelopmentDatabase DesignApplication DevelopmentSoftware Development

Education

Birla Institute of Technology and Science, Pilani

Jan 2022Jan 2024

Jan 2008Jan 2011

Jan 2008Jan 2011

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