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Madhur Lenka

Madhur Lenka

Data Science Manager

Paytm | Gurgaon, India

Technologies

My Portfolio Highlights

My New Track

Python Fundamentals

My New Course

Introduction to Python

My New Track

Python Fundamentals

Data navigator, guiding organizations through the sea of information.

My Work

Take a look at my latest work.

course

Data Manipulation in SQL

course

Introduction to Python

course

Intermediate Python

course

Data Manipulation in SQL

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Intermediate Python
Understanding Data Engineering
Data Manipulation in SQL

My Work Experience

Where I've interned and worked during my career.

Paytm | Nov 2022 - Present

Data Science Manager

• Gen AI Conversational Agent: Led Generative AI initiatives for Soundbox and Merchant Help Desk, resulting in a 30% cost reduction out of, £28m portfolio using Automated Speech Recognition (ASR) and Text to Speech (TTS) systems. • Automated Speech Recognition: Improved ASR model accuracy with speaker diarization and denoising features. • Speech Synthesis: Implemented low-latency (< 200ms) cloning model with prosody and duration prediction for Text to Speech (TTS) synthesis. • Customer Value Model: Developed feed forward neural network model for forecasting Lifetime Value (CLTV) and predicting spending patterns across various timeframes. • Skills: fairseq, wav2vec, pyannote, facebook denoiser, XTTS, fastpitch, vox converse, openai whisper, FastAPI, Tensorflow
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Mindtree | Apr 2021 - Oct 2022

Lead Data Scientist

• Web Traffic KPI Analyzer: Analysed web traffic data logs using NLP for a leading ecommerce platform. Automated the process of data collection and data table creation in BigQuery. Developed a streamlit dashboard to track health and performance related KPI trends. • Real time Outlier detection: Developed a real time alert system using an ensemble outlier detection model resulting in a saving of £2 million annually. • Outlier Detection Package: Launched ML as a Service for outlier detection as a revenue generating stream pertaining to approximately £35k yearly and £16k profit yearly (~2 Data Science FTE). • Supported HR in recruitment and led a team of 4 data scientists and data engineers. • Skills: Isolation Forest, Local Outlier Factor (LOF), Extreme Studentized Deviate (ESD), Jupyter Studio

CRIF India | Oct 2019 - Apr 2021

Senior Analyst

• Scorecard Development: Worked on various scorecard development projects which involves scoring/evaluating a contract using both traditional methods and machine learning models. • Model Development Tool: Developed a tool in pyspark to implement reject inference methodology using weighted logistic regression which reduced the need for manual intervention greatly while increasing efficiency. • Skills: Scorecard Development, Credit Risk, Bureau Reporting, Logistic Regression, XGBoost

dunnhumby | Jan 2018 - Oct 2019

Applied Data Scientist

• Customer Engagement: Developed strategies with client teams to deliver solutions, help market teams in scoping targeted marketing campaigns and creating workplans. • Loyalty Campaigns: Increased quarterly campaign redemption rates from 2% to 5% by leveraging historical data insights, significantly improving our key performance indicator. • Campaign Evaluation: Implemented rigorous A/B testing methodologies to evaluate marketing campaign effectiveness, quantifying lift and ROI to demonstrate measurable business impact and optimize resource allocation. • Skills: Retail Analytics, Customer Analytics, Recommendation System, Personalized Campaign design and Evaluation, Customer Segmentation, Clustering

Tata Consultancy Services | Sep 2015 - Oct 2017

Analyst

• QA and Business Analysis: Worked for a Healthcare client as an Analyst which required me to do requirement analysis, estimation, test design and testing using SQL. • Skills: Requirement Analysis, Estimation, Test Design, UAT, Excel

My Education

Take a look at my formal education

Bachelor of Technology (BTech) in Ceramic Sciences and EngineeringNational Institute of Technology Rourkela | 2015
Intermediate in ScienceOrissa University of Agriculture and Technology | 2010

About Me

Madhur Lenka

Seeking a challenging role leveraging AI/ML expertise in fintech or innovative sectors. Aim to lead cutting-edge projects in speech tech, NLP, and predictive modeling. Looking to drive business impact through data-driven solutions.

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