# Pratham S > Principal Engineer, Wafers Operations Analytics at Western Digital Location: San Francisco Bay Area, United States Profile: https://flows.cv/prathams Principal Engineer | Wafer Fab |14 years of experience in Analytics’ solutions batched/streaming| MS in MIS (Data Science) | AI • Big Data • ML/DL • MLOPS • CI/CD | Python • R • SQL • Docker • Bash • Kafka • PySpark • K8S • RAG | AWS • GCP Skill Set - Programming & Scripting Languages: Python, Biopython, Docker, SAP ABAP, HTML, PHP, CSS, XML, C, C++ Platforms: Mesosphere DCOS, Google Kubernetes Engine, AWS LLMs: Claude, Titan, Mistral and Cohere Statistical Tools: R Programming, SAS Enterprise Guide, SAS Enterprise Miner Data Mining Skills: Predictive Analytics, Prescriptive Analytics, Exploratory Analytics, Decision Trees, Regression Analysis, Ensemble, Sentiment Analysis, Association Analysis Big Data Technologies: Kafka, SPARK, HIVE, Presto, Hadoop, MapReduce, Pig, Oozie, NoSQL Business Intelligence: Spotfire, Tableau, MS Excel, SQL, SSIS, SSAS, SSRS, SAP Business Objects Data Modeling: OLTP, OLAP, Star Schema, Snowflake Schema, Dimensional Modeling Cloud Computing: Microsoft Azure, Amazon AWS Database: MySQL, Oracle, Postgres, Cassandra, HBase Operating Systems: Linux, UNIX, Windows Web Development Platform: Adobe Dreamweaver, Microsoft Visual Studio, Microsoft Expressions Methodologies: Agile, Waterfall, Lean Domains: Fab Manufacturing, Biotechnology & Genomics, Human Capital Management(HCM/HR), Sales & Distribution(SD), Material Management(MM), Supply Chain Management(SCM), Finance & Controlling(FICO) ## Work Experience ### Principal Engineer @ Western Digital Jan 2017 – Present | San Francisco Bay Area ### Technology Lead in Data Science & Engineering at Infosys @ Infosys Jan 2016 – Jan 2017 | San Francisco Bay Area • Engineered over 100 GBs of JSON customer utterances NLP data with its corresponding attributes using PySpark and Hive. • Establishing correlation between Clusters of Problem Descriptions and Problem Resolutions using Correlation Coefficient and visualizing the same in Heat Map of Tableau. • Automated BLAST output extraction of mirocRNAs for analysis from web using MECHANIZE and BEAUTIFUL SOUP packages • Building Geometric and Binomial Distribution Probability Models for POS Big Data in Python and deploying them on Hadoop framework. • Aggregating data using HIVE SQL and generating exploratory visualizations in Tableau for SAP/ Salesforce CRM data. • Performed statistical analysis for clinical trials using R packages • Engineered the data and built predictive models for an Oil and Gas Company. Used predictive modeling in R with techniques- H2O, XGBoost, Random Forest, Gradient Boosting, Bagging, Random GLM and Principal Component Regression. • Automated Log Analytics using Python & Shell Scripts on Linux and visualized them in Kibana. ### Research Assistant - Temporary Worker @ Texas Tech University Jan 2015 – Jan 2016 | Lubbock, Texas Area • Web-enabled the BLAST tool developed by U.S. National Center for Biotechnology Information (NCBI) using BIOPYTHON • Shell scripted in Linux for data mining, statistical analysis and transforming of DNA sequence data, using Python • Performed ANOVA for analyzing variance between proteome and nucleotide genotypes. • Independently developed an interactive website for multi-omics data searching (PEANUTOMICS.ORG) on Unix Server, using the Agile methodology in PHP, CSS, HTML5, Bootstrap and MySQL. The project was a collaboration between United States Department of Agriculture(USDA) and 3 universities. • Used Association Rule Learning technique in Data Mining (R package ARULES) to analyze clinical data • Worked on clustering to categorize clinical data. Used R packages RPART, RANDOM FOREST and CARET to rank the variables and interpret the dosage results using definitive set of input variables • Provided training for students of Bioinformatics in Python ### Sr. SAP Technical Developer/Analyst, Team Lead @ L&T Infotech Jan 2013 – Jan 2014 | Mumbai Larsen & Toubro InfoTech Internal OD ABAP Factory • Inducted as part of Larsen & Toubro InfoTech Internal OD ABAP Factory in the Analysis Team due to higher level of understanding of ABAP and other technologies • Solved problems pertaining to fire-fighting crisis situations in Production environment relevant to HCM, FI, SD and MM • Built programs having customized behavior of SAP functionality that matched with client business processes • Constructed a code which exports the output of ALV Grid to SAP BW system for Business Intelligence for higher management decision along with statistical analysis • Implemented a code which reads a file from FTP via SAP PI and sends this file to R/3. The incoming file is then feed to a BAPI Posting Function Module. Depending upon the success or failure of the Function Module, logs are written onto a different FTP • Created a customized BDC program for reading a file from FTP and processing it in R/3 by interfacing with SAP PI • Extracted, cleaned and transformed data from Remote FTP using Python scripts and sent the data to R/3 SAP Master tables. • Worked on a Smartform for Purchase Order in handling dynamic tax conditions • Designed a Module Pool Program for FI Hedge Functionality having Table Controls • Created a White Paper for consumption of Java Web Service in SAP ABAP for fetching and transferring data for L&T InfoTech. The data from a table was sent to Portal for processing and the result of processing was returned back to R/3 • Designed a ALV Grid report which gets exported to Business Intelligence (BI) server in SAP using OOPs approach • Accomplished an SPAU and SPDD EHP Upgrade • Simultaneously worked on a Proof Of Concept(POC) for Indian Army in the technology of Web Dynpro ABAP for SAP portal • Customized attendance self-regularization for ESS/MSS in HR system for the client, using automated Workflows in R/3 & Portal ### Sr. SAP Technical Developer/Analyst, Tool Lead @ L&T Infotech Jan 2013 – Jan 2013 | Bengaluru Area, India SAP Upgrade of Industrial Automation Company • Assessed the SAP Upgrade from ECC 5.0 to ECC 6.0 EHP 6 version and performed the Impact Analysis for the Upgrade using an Upgrade tool • The project was lauded by the SAP Application Director for the timely completion within the estimated budget ### SAP Technical Developer/Analyst, Team Lead, Technical Lead, Tool Lead @ L&T Infotech Jan 2011 – Jan 2013 Research & Development Tools Project – The target of the project was to create proprietary tools which help in delivering high fidelity services & solutions and time-tested institutionalized processes with a firm belief that quality is a cost-saver. These tools are used as a medium to procure prospective clients. • Reduced time taken to execute the tools by performance tuning the source codes and making adaptive changes by interacting with clients eventually paving way for new projects • Fixed bugs in Code Optimizer & Review Tool and also executed it in SCM environment for the first time by modifying its source codes for compatibility. • Worked on enhancements for an Upgrade tool and made it universally compatible in all environments viz. SCM, SRM, CRM, ECC, etc. • Automated the Upgrade tool & created a common Transport for the same • Implemented new feature of the Upgrade tool in Business Function Analyzer for the client • Developed programs for the Upgrade tool to check the Where-Used List of impacted Classes, Data Elements and Domains • Utilized ABAP/Python Stack for RESTful Output Management using HTML and Java script. • Was sent on site location of multi-national client for running the tools • Assisted and supported the development of new tools • Provided training for the tools across the organization for better utilization ### SAP Technical Developer/Analyst @ L&T Infotech Jan 2012 – Jan 2012 Multinational Consumer Good Manufacturing Company • Worked on a Proof Of Concept for Maintenance of Custom Table using Workflows to track changes • Built the workflow and the business object & its methods for handling any dynamic custom table changes • Led to simplification of change management for the client ### Software Engineer Trainee @ L&T Infotech Jan 2011 – Jan 2011 | Chennai • Organized Object Oriented Programming ABAP training for United States onsite team of Larsen & Toubro InfoTech • Won all the contests in the training phase(including Pravesh) of Larsen & Toubro InfoTech - GLADIATOR: Contest for creating a SAP ABAP application for Larsen & Toubro InfoTech - BOOT CAMP: Contest for the exams conducted for C, C++, RDBMS, HTML and XML - SPECIALIZATION: Contest conducted for the SAP ABAP training provided ## Education ### Master's Degree in Management Information Sytems with Data Science Concentration Texas Tech University - Rawls College of Business ### Bachelor's Degree in Information Technology University of Mumbai ## Contact & Social - LinkedIn: https://linkedin.com/in/prathams1 - Portfolio: http://www.peanutomics.org --- Source: https://flows.cv/prathams JSON Resume: https://flows.cv/prathams/resume.json Last updated: 2026-04-12