Shubham has over 7 years of experience in data analytics and engineering. He has extensive experience with technologies like MapR-Hadoop, Spark, Python, Hive, Kafka and machine learning algorithms. He is currently a senior data analyst where he builds data pipelines and analytics solutions. Previously he has led teams and taken on roles with responsibilities like requirement gathering, data modeling, ETL development, database administration and cloud migrations. He is pursuing an M.Tech in data science and has received several awards and certifications for his work.

1. Experiences
Education
➢ 7.5+ years of extensive experiences in Data Analytics/ Engineering with Business Intelligence, Data
Warehouse and Hadoop-Spark-MapR-HIVE eco-system.
➢ Process live streaming data into MapR-Hadoop filesystem using Apache-PySpark. Creating schema-
oriented Parquet files and load them into HIVE (external/internal table) and MapR DB using
Python. Creating multithreading python script for PySpark.
➢ Expertise in Huge Volume of data integration/migration and implementing Data-Warehouse
repository using SSIS, SQL Server, providing end-to-end ETL solutions with deployment to Azure
Cloud, Data Analysis and SQL DBA, Azure API Management, Azure Web Apps, converting business
requirements into technical solutions.
➢ Handling unstructured & semi-structured data in XML, JSON using Kafka streaming.
➢ Working on ML algorithms like Linear/Logistic Regression, Lasso, Ridge, Decision Tree, CNN-Neural
Network, Support Vector Machine (SVM), ARIMA Time Series, Text Mining, K-Means Cluster.
➢ An experienced team player (led a team of 6 members) of excellent interpersonal skills with ability
to work independently in projects with multiple clients’ simultaneously.
➢ Passionate, positive, can-do attitude, and willing to take ownership of problems for full resolutions.
Present
November 2017
December 2016
October 2014
April 2012
Profile Summary:
Awards & Achievements:
Skills:
Primary
Project
Big Data MapR-Hadoop, Spark, Python, HIVE, HQL, NoSQL, Mongo DB, UNIX,
Kafka, Snowflake
Business
Intelligence
SSIS / SQL Server Data Tool, SSRS, MSBI/ETL/BIDS, Data Quality
Services (DQS), Data Cleansing, Data Modelling, Dashboards
RDBMS Database Azure Cloud SQL DB, Azure BLOB Storage, Data Warehouse, SQL
Server, Netezza, T-SQL, Free Text Search, MySQL, DBA, DB Isolation
Level, Performance Tuning, SQL Automation, Backup Strategy, OLTP
Secondary
Project
Machine Learning Supervised/Unsupervised Learning, Linear/Logistic Regression,
Decision Tree, Random Forest, CNN-Neural Network, Support
Vector Machine (SVM), ARIMA Time Series, Text Mining, K-Means
Cluster
UI Framework Azure Service Bus, Web Services, ASP.NET, C#, OOPS, WCF
Other Technology Cloud Computing, Oracle, R-Studio, JavaScript, SQL Server SSAS-
Cube, MDX, Tableau/QlikView, Service-Now, JIRA, PostgreSQL
Tools Visual Studio, Version Control using TFS, GitHub
➢ Stood in Top 3 in Qualcomm Worldwide Online Machine Learning Contest in 2019.
➢ Won the WINNER title of Innovation Maestro 2018-19 in Qualcomm OneIT using ML.
➢ Qualcomm OneIT HaQkathon 2018 winner, got chance to present my prototype to Qualcomm CIO.
➢ Went to final round in Microsoft AI Challenge India 2018.
➢ Super-Qualstar awarded for rapid prototypes & executions on innovative ideas in Qualcomm.
➢ Qualstar awarded for prototyping on an innovative idea using Python & NLP in Qualcomm.
➢ QBuzz 2018 finalist. QBuzz is a platform organized by Qualcomm for new Innovative Paper-
Presentation in cutting-edge technologies. I presented an innovative idea in AI/ML domain.
➢ Certificate for my contribution to OneIT Innovation Program using Machine Learning in Qualcomm.
➢ Completed Microsoft Certification exam on “Implementing a Data Warehouse with Microsoft SQL
Server” (70-463).
➢ Client Appreciation Certificate for outstanding performance in Data Migration in PwC.
➢ Appreciation Certificate for quick successful deliverables in Data Migration in PwC.
➢ “STAR Performer” of the year awarded for outstanding performance in PwC.
➢ Received Client Appreciation Certificate for outstanding performance in Data Analytics in PwC.
Qualcomm Hackathon, Innovation Maestro, & Super-Qualstar Winner | Microsoft Certified Professional
❖ Pursuing M.Tech in
Data Science &
Engineering from
BITS, Pilani.
❖ B.Tech in Computer
Science & Engineering
in 2007-2011 from
W.B.U.T. with 7.86
CGPA
❖ Higher Secondary (12th)
in 2006 from
W.B.C.H.S.E. with
84.10%.
❖ Secondary (10th) in
2004 from W.B.B.S.E.
with 85.37%.
Shubham
Mallick
+91 - 9734389354
shubham.kolkata@gmail.com
https://www.linkedin.com/in/i-Shubham/
Hyderabad, India
USA Business Visa (B1/B2)

2. ➢ Project: ECAP (Engineering Compute Analytics Platform) Data Processing
➢ Role: Senior Data Analyst
➢ Tools/Technology: MapR-Hadoop, Spark, Python, HIVE, Parquet, Netezza, UNIX, Kafka, ML
➢ Details:
i. Building high quality Big Data applications, data pipelines and analytics solutions.
ii. Loading huge volume of live streaming data into MapR-DB in Hadoop filesystem (HDFS)
using Apache-PySpark. Creating schema-oriented Parquet files.
iii. Loading data from MapR filesystem to HIVE (external/internal table) using Beeline/Spark.
Set-up message-broker using Kafka for live streaming of log file.
iv. Data Masking on huge volume of data by Data Dictionary using Python Parallel Processing.
v. Experiencing in building solutions using Columnar database architecture and performance.
vi. Scraping data from QlikView dashboards and loading into HIVE using PySpark.
vii. Working on Log-Stash from 'ELK' stack to centralize log files generated from different Hadoop
clusters & loading into MapR DB/HIVE using PySpark.
viii. Replacing Informatica ETL tool using Apache-Spark data pipeline scheduled on YARN.
ix. Demonstrating strong development processes in Agile. Also playing role as a Scrum Master.
x. Collaborating with multiple cross functional teams to work on solutions.
xi. Working on QCT chipset forecasting using Machine Learning models (Linear/Logistic, Lasso,
Ridge, Decision Tree, Convolutional Neural Network - CNN, SVM, ARIMA Time Series), &
plotting in matplotlib of few real-time problems which are the part of Q-Innovation team.
xii. Parameter tuning of ML models using GridSearchCV & RandomSearchCV, & deploy in Prod.
xiii. Code migration and version controlling using Github, & issue tracking in JIRA & Service Now.
xiv. Working as Mentor to interns who joined Qualcomm to make them industry ready. Helping
cross team to automate Netezza-to-SnowFlake, Netezza-to-MapR migrations using Python.
Work Experiences:
November 2017 to Present
December 2016 to November 2017
➢ Project: Project Oaktree (Azure Cloud Migration)
➢ Role: Team Lead, SME for application/module
➢ Tools/Technology: Azure Cloud, SQL Server, Web-Services, Service-Bus, WCF, SSRS, MongoDB
➢ Details:
i. Gather business requirements in AGILE/SCRUM method &design Data Model.
ii. Data migration to Azure Cloud DB from heterogeneous legacy source systems, performing
DBA tasks & end-to-end ETL solutions at Azure Cloud, with DBA tasks (Back up strategy and
SQL jobs, Recovery mode, Performance tuning, Index rebuilding, Availability groups).
iii. Create MongoDB database, migrate DataMart from SQL Server to MongoDB using SSIS
custom scripts, and process for Data Analytics.
iv. Deploy Azure Service Bus using C#.NET to interact with Broker message from client app,
create C# WCF web services interact with Cloud Database & deploy in Azure.
v. Led a team of 6 members and grooming them to make them ready for client facing.
October 2014 to December 2016
➢ Project: GCP-GDW & IPSR
➢ Role: Senior BI Developer and Module lead
➢ Tools/Technology: SQL Server, T-SQL, SSIS, ETL, DBA, C#, TFS, Free Text search, MongoDB, Python
➢ Details:
i. Data Warehouse migration in AGILE/SCRUM methodologies, understanding business
requirements & design Data Model for SQL Data Warehouse.
ii. Predictive search/Free-Text Search (like Google search) from billions of rows in just 2-3
seconds from .NET application using C# web services & jQuery.
iii. Create & deploy SSIS packages for Data Migration from heterogeneous source to SQL Server
and provide end-to-end ETL solution. Performance tuning of SSIS (with SQL tuning) to load
50 million data rows within 1.25 hours from remote data source to SQL server.
iv. Design Data-Mart and load data from SQL Server DW through SSIS packages, developing
SSRS and PowerBI report for Data Quality check, after & before Migration.
v. DBA tasks (Back up strategy and SQL jobs, Recovery mode, Performance tuning, Index
rebuilding, Availability groups).
vi. Integrate DQS (Data Quality Service) with SSIS for bulk data cleansing during migrations.
vii. Developing C# WCF web services to expose data to clients like Infosys, TCS.

3. April 2012 to October 2014
➢ Project: MetLife USBPM
➢ Role: Application developer
➢ Tools/Technology: Visual Studio, SQL Server, T-SQL, SSIS, C#, ADO.NET, JavaScript, jQuery
➢ Details:
i. Production Support project of 24X7 hours for MetLife, handling bulk production data &
process to SQL server through SSIS packages.
ii. Monitoring of running live Production jobs through IBM Tivoli/Maestro, solving issues
on Ticketing System on priority basis.
iii. Automation of existing process to minimize day-to-day manual efforts & errors.
iv. Upgrade of existing SSIS packages, tuning existing Stored Procedures, solving Production
issues with priority as per Business tickets.
Additional
Responsibility:
➢ Appointed as Mentor for newly joined people for internship at Qualcomm.
➢ Active member of Core technical interviewers’ panel for lateral hiring as an interviewer at
Qualcomm, IBM & PwC.
➢ Appointed as a trainer for fresh campus hired graduates/associates from India’s premier
institutes on technical competencies (Analytics, SQL, Data-Warehouse, DB Migration, ETL), &
received appreciation from Executive Director for quality training delivered at PwC.
Academic Project:
➢ Online Job Portal System – University Final Year Project
o This is a web-based application developed in JAVA and Oracle 9i in 2011.
➢ Online Air Line Reservation System – IETE Training Institute (Summer Intern)
o This is a web-based application developed in JAVA and Oracle 9i in 2011.
➢ Computer Retail Business Management – IBM Certified Academy
o This is a SQL/PL-SQL application developed in Oracle 9i in 2010.
Academic Details: Qualification University/Board Year Marks Obtained
B. Tech W.B.U.T. 2011 7.86 CGPA
12th
W.B.C.H.S.E. 2006 MATH PHYS CHEM BIOS Overall
195/200 152/200 167/200 165/200 84.10%
10th
W.B.B.S.E. 2004 Math Ph. Sc. Life Sc. Overall
91/100 95/100 88/100 85.37%
Interests: ➢ Hadoop, Big-Data, Machine Learning, Data Warehouse, Data Analytics, Business Intelligence,
Python, R, Data Mining, Blog writing
Personal Details: ➢ DOB : September 11, 1988
➢ Gender : Male
➢ Marital Status : Unmarried
➢ Language Known : English, Hindi, Bengali