Krishnendu Das

Experience

• 

  HP

  Aug 2012 - Apr 2014

  Senior Software Developer

  I worked as a developer in the ePrint platform of HP in the core team that supported the job engine.* Worked in the Agile model of software development. * Supported job allocation engine of HP ePrint platform.* Managed local development servers* Created tools for ----- 1. Simulation of the platform to test resilience against load and noise----- 2. Ad hoc development testing----- 3. Web based job submission in the development environment

• 

  American Express

  Apr 2014 - now

  I managed the Worldwide Proprietary Card Present Fraud Strategy Team. The overall scope of my team's work was to manage fraud loss on proprietary cards of American Express in the global markets.Responsibilities include:* Managing fraud on Amex proprietary cards through strategies (Rules and applications).* Creating new variables/applications that can be leveraged for better fraud protection* Supporting fraud model development* Managing customer experience through reduction of disruptions Key areas of expertise:* Fraud default definition logic* Short and long term fraud trends in global markets* Data science and machine learning Show less As a Business Analyst / Assistant Manager at American Express, I worked extensively on reducing fraud loss and enhancing decision science at American Express by* Creating new data dimensions* Enhancing platforms and data related infrastructure to extract meaningful information* Creating fraud prevention strategies proactively and retroactively for short and long term fraud trendsExpertise: Fraud default definition and the relevant knowledge for machine learning algorithms. Show less

  • Director, Credit Risk Decision Science

    Aug 2023 - now

  • Director, Credit Risk Decision Science

    Dec 2022 - Jul 2023

  • Director, Fraud Risk Decision Science

    Jul 2020 - Nov 2022

  • Senior Manager, Fraud Risk Decision Science

    Aug 2019 - Jun 2020

  • Manager, Fraud Risk Decision Science

    Sept 2018 - Jul 2019

  • Manager, Global Fraud Risk Management

    Aug 2017 - Aug 2018

  • Assistant Manager, Global Fraud Risk Management

    Aug 2015 - Jul 2017

  • Business Analyst, Global Fraud Risk Management

    Apr 2014 - Aug 2015