Rochit Ranjan

Rochit Ranjan

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location of Rochit RanjanGurugram, Haryana, India

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  • Timeline

  • About me

    Ex- Associate Data Scientist @ Landmark Group | PG Diploma in Data Science - IIIT Bangalore

  • Education

    • Holy Mission High School

      2008 - 2009
      Intermediate
    • Holy Mission High School

      2006 - 2007
      Matriculation
    • Indian Institute of Technology, Patna

      2023 - 2025
      Master of Technology - MTech Artificial Intelligence and Data Science Engineering

      Course Work done Till date:Artificial Intelligence, Machine Learning, Probability and Stochastic Process, Reinforcement Learning, Linear Algebra and Optimisation

    • International Institute of Information Technology Bangalore

      2019 - 2020
      PG Diploma in Data Science

      Capstone Project Credit card fraud detection-Using different modeling techniques predict the credit card frauds based on the data set from Kaggle. The predicted class was compared to the original class and appropriate evaluation techniques were used to determine which model performs the best and reflects business goal of detecting fraud.Techniques and algorithms covered-★ Inferential Statistics and Exploratory Data Analysis (EDA) using Python, Hypothesis Testing.★ Linear… Show more Capstone Project Credit card fraud detection-Using different modeling techniques predict the credit card frauds based on the data set from Kaggle. The predicted class was compared to the original class and appropriate evaluation techniques were used to determine which model performs the best and reflects business goal of detecting fraud.Techniques and algorithms covered-★ Inferential Statistics and Exploratory Data Analysis (EDA) using Python, Hypothesis Testing.★ Linear Regression, Logistic Regression, ARIMA, SARIMAX, Clustering techniques, SVM, Principle Component analysis (PCA), Decision Tree Models, Random Forest, Boosting★ Regularization techniques- Lasso and Ridge★ Handling Class Imbalance - Stratified Sampling, SMOTE & ADASYN★ Model Evaluation techniques★ Deep Learning neural network- ANN, CNN, RNN Show less

    • The LNM Institute of Information Technology

      2010 - 2014
      Bachelor of Technology (B.Tech.) Electronics and Communications Engineering

      Relevant Coursework -Probablity and Stochastic Process, Signal Processing, Linear Algebra, Numerical Methods

  • Experience

    • Cognizant

      Jan 2015 - Aug 2020

      ★ Built a topic modelling model to extract topics and words describing each topic using Latent Dirichlet allocation. ★ Developed a ML model which finds the most similar historical ticket for a newly opened ticket(Content based filtering for Text corpus) using Vectorisers, Cosine and Jaccard's Similarity.★ Developed a ML model for creating clusters of historical ticket using Vectorisers and K-means.★ Built a wordcloud using TextRank algorithm★ Implemented the End to End Content based filtering BOT(for Textual corpus) using NLTK, Scikit-learn, Core Java, Spring Boot, Python. Show less

      • Machine Learning Engineer @ Cognizant Accelerator

        Aug 2019 - Aug 2020
      • Associate

        Sept 2017 - Aug 2019
      • Programming Analyst

        Jan 2015 - Sept 2017
    • Landmark Group

      Nov 2020 - Feb 2021
      Associate Data Scientist

      ★ Developed an ARIMA based model for forecasting weekly sales based on Color and shade of clothes.★ Solved a business case to find out analogous product and predict weekly sales based on similarproduct using KPrototype, Ordinary least squares and Bass Diffusion Model.★ Used WMAPE and rolling WMAPE as Evaluation metric.★ Used beautifulSoup to webscrap what products their competitors are selling .

    • CARS24

      May 2021 - Aug 2021
      Data Scientist

      ★ Collected and imported data from various data sources.★ Coducted exploratory data analysis on credit scoring data(CIBIL).★ Developed a weighted similarity based approach to do EMI estimation(libability) of customersTools and Libraries Used : Scikit-Learn, Pandas, Numpy, Scikit-Learn, Python, SQL

    • AI-NLP-ML Research Lab IIT Patna

      Aug 2024 - now
      Senior Research Fellow
  • Licenses & Certifications

    • Image and video processing: From Mars to Hollywood with a stop at the hospital

      Coursera
      Mar 2013