About Me
I am Karthik Appadurai, CTO, and Director of Zingr Digi Solutions Pvt Ltd. I have over 7 years of experience in developing full stack enterprise grade applications and data science. My tech stack includes Python, AngularJS, NodeJS, ReactJS, Ionic,...
I have been a remote Data Analyst for Alexander Weiss Consulting as well for the past seven years. I have also lead the development for an enterprise sales CRM, Email marketing solution and a business card reader. I am also an official partner of Amazon Web Services. I have extensive experience in AWS profucts like EC2, S3, CloudFront, Route 53, AWS Amplify, AWS Rekognition etc. I have also used chatbot platforms like DialogFlow.
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Skills
Web Development
Database
Programming Language
Others
Data & Analytics
Software Engineering
Portfolio Projects

Company
Business card reader
Role
Full-Stack Developer
Contribute
I was the principal data scientist for the project and lead the development team.
Description
As part of our interaction with TransSys Solutions FZC , I lead the development of a business card reader solution for a DP World a client of TransSys Solutions. I was resposible for design. development, testing and delivery. The application was a business card reader (optical charector recognition) application built using Python (Flask, tesseract, TensorFlow), angularJS(Ionic) for the mobile application. The data was transmitted using a RestFul API and integration was done with oracle engagement cloud.
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GitCompany
Raksha Sales CRM
Role
Full-Stack Developer
Contribute
Lead the development team of three. I also developed the backend analytics engine and prediction engine.
Description
As part of our interaction with Raksha Technologies Pvt Ltd. We were responsible for design, development and delivery of an indigineour sales CRM for Raksha. I lead the development team and succesfully delivered the application used across the organisation. The application had a web application and a mobile application. The mobile application was built using Ionic and was used by sales executives and tiop management. The web application was used the top management for assigning for review and analytics.
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Sublime TextMedia






Company
Email Marketing Solution
Role
CTO
Contribute
As Chief Technology officer of Zingr Digi solutions Pvt Ltd I lead the development of the email marketing solution IMPACT for Transsys Solutions FZC
Description
Lead a development team of four. Built the email marketing solution with an angular 4 front end , nodejs backend , pythpn email server and lambda functions for email delivery stats. the application is now being used by TransSys solutions for marketing campaings for its clients.
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AWSCompany
Illinois department of Transportation - Traffic Stop Study
Role
Data Scientist
Contribute
I was responsible for generating the code and analysis for creating the report for both traffic stop and pedestrian stop study.
Description
Developed the code base and was responsible for generation of traffic stop report for over 1000 police agencies. The IDOT report studies the racial profiling of drivers across the state of illinois for police stops. I have been producing the report for 8 years now. As a recent development we are now producing reports for pedestrian stops as well. This project is done in collaboration with Alexander Weiss Consulting LLC.
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Sublime TextCompany
Logistic Regression for Police Racial Discrimination
Role
Data Scientist
Contribute
Was the principal Data Scientist
Description
I developed the logistic regression model and conducted the odds ratio analysis for detecting racial discrimination in police compliant processsing. I was responsible for data modelling, data cleaning and processing. This was done as part of my interaction with Alexander Weiss Consulting LLC.
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Pandas Python SciKit-LearnTools
Sublime Text