Summary
Overview
Work History
Education
Skills
Websites
Accomplishments
Certification
Languages
Timeline
Generic
Shankar Lal

Shankar Lal

Summary

Meticulous Data Scientist accomplished in compiling, transforming and analyzing complex information through software. Expert in machine learning and large dataset management. Demonstrated success in identifying relationships and building solutions to business problems.

Overview

5
5
years of professional experience
1
1
Certification

Work History

Senior Data Analyst

Citi
07.2021 - Current

SAS To EAP Transition:

  • Spearheaded the transition from SAS to EAP (PySpark/Python cloud-based), pioneering the development of a comprehensive framework for code migration within the workstream.
  • Equipped the team with essential templates and training on data manipulation and modeling techniques, facilitating a smooth transition and ensuring proficiency in handling data in the new environment.

Sentiment Score Targeting:

  • Engineered tailored sentiment analysis thresholds to strategically elevate PTP rates, fostering superior customer satisfaction outcomes.
  • Demonstrated significant enhancements in sentiment score performance for top and bottom performing agents, both Offshore and Onshore

Shift Scheduling Optimization:

  • Implemented a data-driven approach resulting in significant Opex savings of $1 million while maximizing agent productivity and maintaining seamless customer support during high-demand periods.
  • Utilized segment analysis to recommend an optimized shift schedule for calling agents, ensuring sufficient capacity on the floor during peak demand periods.

Staffing Strategy:

  • Engineered and executed staffing strategies by constructing comprehensive simulations utilizing the Erlang C model to determine optimal buffer capacities.
  • By employing various levers such as hiring and overtime, optimized buffer capacity recommendations derived from Erlang C simulations directly contributed to significant cost reductions $5 million.

Call Forecasting:

  • Created a driver-based call volume forecasting system integrating time series and linear regression models for effective capacity planning.
  • Enabled the Workforce Management (WFM) team to make efficient, data-driven decisions by automated call volume forecasting framework

IVR Call Journey:

  • Designed and implemented an advanced IVR call journey, enabling precise tagging for seamless tracking and analysis of each customer interaction.
  • Utilized Customer Effort Score data to pinpoint pain points and bottlenecks in the IVR system, facilitating targeted improvements for enhanced customer satisfaction.

Separate Entity Migration:

  • Devised and executed a campaign strategy to encourage customer information updates
  • Optimized communication channels to boost update rates and minimize contact frequency using driver analysis
  • Successfully reduced contact rate from 23% to 13% through targeted customer engagement tactics

Techniques/Tools used - Pyspark, Python, Hive, SQL, SAS, Segmentation, Bagging & Boosting algorithms, Linear regression, Text Mining

Business Analyst (Intern)

OYO
05.2020 - 07.2020
  • Developed a geographically viewed dashboard for comparing different geographical constraints at the same level, enhancing data visualization.
  • Conceptualized an end-to-end data collection pipeline within a two-month timeframe and incorporated drill-down functionality from country to hotel level for comparing business metrics.

AI Analyst Programmer (Intern)

Genesys Telecom
05.2019 - 06.2019
  • Implemented automation for generating post-call disposition summary notes, significantly reducing agents' manual effort by 20-30%.
  • Utilized unigram ROUGE as an evaluation metric, achieving a validation interaction score of 0.53, indicating effective summarization accuracy and system performance.

Education

BTech & MTech - Civil Engineering

Indian Institute of Technology
Madras
2021

Senior Secondary -

RBSE
Makrana
06.2015

Secondary -

RBSE
Makrana
06.2013

Skills

  • Python, Pyspark, SAS, SQL, Hive, Machine Learning, NLP, Topic Modelling, Big Data, Statistical modeling

Accomplishments

  • Winner - Citi Campus Innovation Challenge 3, Apr'21
  • Rank 2nd - Viral Tweet Prediction Challenge, Jul'21
  • Rank 3rd - How effective is the STD drug? HackerEarth Machine Learning Challenge, May'20
  • Rank 3rd - The Online Analytics Case competition - Epsilon 2.0, Mar'20
  • Finalist - GS Quantify - Aug'19

Certification

  • Data Engineering from AIM Academy Citi

Languages

English
Advanced
C1
Hindi
Bilingual or Proficient (C2)
Hindi
Bilingual or Proficient (C2)
Hindi
Bilingual or Proficient (C2)

Timeline

Senior Data Analyst

Citi
07.2021 - Current

Business Analyst (Intern)

OYO
05.2020 - 07.2020

AI Analyst Programmer (Intern)

Genesys Telecom
05.2019 - 06.2019

BTech & MTech - Civil Engineering

Indian Institute of Technology

Senior Secondary -

RBSE

Secondary -

RBSE
Shankar Lal