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Venkatesh Ramakrishnan

Senior Business Intelligence Architect & Data Architect with 19+ years of experience in IT industry

Have held full time job with Infosys and Hewlett-Packard prior to joining Cognizant technology solutions

Extensive experience working in Data Warehousing assignments in all phases including Requirement gathering, Enterprise Data Architecture, Data Governance, Data Modeling, Design, Development, Data Quality and Implementation and RFI/RFP

Have experience working with complex warehouses across domains like Telecom, Retail, Insurance, Manufacturing and travel industry

Experience working with various Databases such as Teradata, Databricks, Redshift, SQL Server and BI tools like MicroStrategy and Tableau

Have good knowledge in CLOUD platforms Azure and GCP

Have led multiple offshore-Onsite model assignments and have good track record in executing projects from offshore as well as Onsite

Certified MicroStrategy Architect, Certified Teradata Professional and Certified in Azure Fundamentals

Have undergone extensive training in Power BI, Looker, Quicksight and snowflake.

  • Role

    Senior Architect & Cobol Engineer

  • Years of Experience

    21.08 years

Professional Summary

21.08Years
  • Jan, 2022 - Present4 yr 3 months

    Senior Architect

    Cognizant Technology Solutions
  • Jan, 2022 - Present4 yr 3 months

    BI Architect, Senior Architect

    Cognizant Technology Solutions
  • Jun, 2015 - Jun, 20172 yr

    BI Architect

    Cognizant Technology Solutions
  • Dec, 2004 - Dec, 20062 yr

    System Engineer

    Infosys
  • Jan, 2006 - Dec, 20082 yr 11 months

    Software Analyst

    Infosys
  • May, 2009 - Jan, 20155 yr 8 months

    Senior Software Engineer

    HP Global Soft

Applications & Tools Known

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    BI Tool

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    MicroStrategy

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    Tableau

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    Databases

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    Teradata

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    Oracle

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    SQL Server

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    Redshift

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    Databricks

Work History

21.08Years

Senior Architect

Cognizant Technology Solutions
Jan, 2022 - Present4 yr 3 months

    Architect for ADL Framework - Using DataBricks, Tableau and Python

    Successfully rolled out a tested and easy to use architecture for all PODs to adopt

    Introduced Medallion Architecture to transform the data

    Setup guidelines for data storage and transformation in each layer of MedallionArchitecture

    Part of technical governance group and responsible for signing off design before the PBIs are taken up for development

    Implemented unity catalog as cataloging tool - UC acted as data dictionary - Automated catalog update e.g Field Definition, Tagging, PII etc

    Designed Metadata capturing and Audit framework

    Responsible for establishing Alert framework as a function for all PODs to utilize

    Implemented DQ framework as part of CI/CD pipeline and integrated unit test cases to ETL using Nutter framework

    Held a creator license and responsible for converting Hyper extract (In-Memory) based datasets to Live connection datasets - saved significant time and cost as part of this initiative

    Responsible for consolidating Master data

BI Architect, Senior Architect

Cognizant Technology Solutions
Jan, 2022 - Present4 yr 3 months

    Architect for ADL Framework - Using DataBricks, Tableau and Python

    Successfully rolled out a tested and easy to use architecture for all PODs to adopt

    Introduced Medallion Architecture to transform the data

    Setup guidelines for data storage and transformation in each layer of MedallionArchitecture

    Part of technical governance group and responsible for signing off design before the PBIs are taken up for development

    Implemented unity catalog as cataloging tool - UC acted as data dictionary - Automated catalog update e.g Field Definition, Tagging, PII etc

    Designed Metadata capturing and Audit framework

    Responsible for establishing Alert framework as a function for all PODs to utilize

    Implemented DQ framework as part of CI/CD pipeline and integrated unit test cases to ETL using Nutter framework

    Held a creator license and responsible for converting Hyper extract (In-Memory) based datasets to Live connection datasets - saved significant time and cost as part of this initiative

    Responsible for consolidating Master data

BI Architect

Cognizant Technology Solutions
Jun, 2015 - Jun, 20172 yr

    Telefnica UK Limited is a telecommunications, Internet and financial services provider in the United Kingdom owned by Telefnica. It is the second-largest mobile telecommunications provider in the UK at present

    Cognizant was engaged to transform their BI platform which was executed using AbInitio, Teradata and MicroStrategy.

    Played BI Architect role

    Engaged with customers to better understand needs and deliver excellent service.

    Customized customer experiences to build brand loyalty.

    Responsible for setting up a semantic layer on top of CLDM architecture

    Created reports and dashboards with optimal performance to handle high volume of data like CDRs

    Involved in conceptualization, Requirement Gathering, Impact Analysis and Data Modeling

    As a MicroStrategy Architect, involved in Auditing other Projects executed in MicroStrategy environment and provided valuable feedback to improvise

    Trained and mentored employees to maximize team performance.

    Supported MicroStrategy version upgrades and acted as liaison for MicroStrategy Inc.Support team

    Successfully implemented best practices and design techniques to improve reports and

    Dashboard performance

Senior Software Engineer

HP Global Soft
May, 2009 - Jan, 20155 yr 8 months

    O2 is a telecommunications, Internet and financial services provider in the United Kingdom owned by Telefnica, It is the second-largest mobile telecommunications provider in the UK at present

    HP was engaged to migrate the legacy DW application from Ab-Initio/ Oracle based solution to high performance Ab-Initio/Teradata solution and implemented 'Nucleus' (Transformed BI Platform) based on CLDM model using Ab-Initio as ETL tool, Teradata as database and MicroStrategy as Enterprise BI tool.

    Was part of the Nucleus engagement for a long time and performed various roles such as Teradata Senior Developer, MicroStrategy Analyst, Data Quality Lead and Operations lead

    Primarily focused on Presentation layer development as a Senior Teradata Developer

    Responsible for tuning the applications for optimal performance

    First point of contact for data issues and data quality issues

    Volunteered to learn MicroStrategy to assist report analysis and got certified as a MicroStrategy Architect

    Implemented DQ dashboard to highlight data issues before users identify and automated reconciliation of Source and data warehouse KPIs

    Worked on Reports and Dashboard enhancements

Software Analyst

Infosys
Jan, 2006 - Dec, 20082 yr 11 months

    Tesco plc is a British multinational groceries and general merchandise retailer headquartered in Welwyn Garden City, England

    In 2011, it was the third-largest retailer in the world measured by gross revenues and the ninth-largest in the world measured by revenues

    Infosys handled implementation of CRST (Commercial Ranging Support tool) and SRS

    (Group MIS)

    CRST - Tool to handle the exceptions occurring in stores with respect to the product allotments by business analyst and also to predict the product requirement in store and to decide when a particular product can be launched and when a product should be reduced/removed from display GMIS-GMIS is a suite of jobs to monitor the sales, waste and store attributes to report the data warehouse.

    Responsible for preparing design and impact analysis document

    Created BTEQ script to transform data

    Created FLOAD/ MLOAD/ FastExport script to load and unload data

    Successfully prepared schedule for 1000+ jobs for a major migration activity

    Spearheaded UAT phase of the CRST project from customer location

System Engineer

Infosys
Dec, 2004 - Dec, 20062 yr

    The Munich-based Versicherungskammer Bayern (VKB) Group is the largest public insurer of personal and property insurance in Germany

    Versicherungskammer Bayern Versicherungsanstalt des ffentlichen Rechts' as a parent company performs the function of holding company for the Group

    In addition, as a primary insurer it conducts insurance business with local authorities and other public institutions in Bavaria and Palatinate

    The VKB Group is integrated into the Sparkassen-Finanzgruppe and is therefore part of the largest association of financial service providers in Germany

    It belongs to the group of public insurers, that together rank second in the German primary insurance market.

    Worked a COBOL developer to develop and maintain the BEKO application

    Worked on creating one off scripts to perform data fixes

    Developer code in Xcobol, software which assists in creating object oriented program and in turn converts the same to COBOL equivalent