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ARITRA RAY

@aritraray

Data Engineer at Tata Consultancy Services

Kolkata, West Bengal

https://www.linkedin.com/in/mearitra/

Tata Consultancy ServicesNetaji Subhash Engineering College

Aritra Ray is a data professional with proven expertise in designing digital solutions. He is adept at Spark Architecture, data pipeline development, and optimization using technologies like PySpark and Apache Airflow. He possesses extensive hands-on experience in Python for EDA and modeling, and is well-versed in various Machine Learning algorithms, statistical analysis, and quantitative analysis.

Experience

Data Engineer, Enterprise Data Analytics

Tata Consultancy Services

•Aug 2019 - Present•Kolkata, West Bengal

Configuration of various business rules for screen designs and premium calculations, installment payment cycle generation in TCS Bancs Product. Implementing Business Intelligence Logic for Transaction Processing and OLAP. Performing Data Management and Extract Transform Load(ETL) by Spark operations on RDD using Spark Dataframe API and Spark SQL. Scheduling time driven automated Data Flow Pipeline using Apache Airflow, Orchestration and Spark SQL Transformation and performance tuning of Bulk Data in Distributed Environment.

Full Stack Java Developer

Tata Consultancy Services

•Mar 2016 - Jul 2019•Kolkata, West Bengal

Web Portal development in J2EE frameworks like Spring MVC, Spring Boot, Hibernate ORM. Responsive web page development using HTML, CSS, Javascript, JQuery, Bootstrap. Building SOAP and REST API for integration with Mobility Application and Third Party Vendors.

Education

Netaji Subhash Engineering College

B Tech

Electrical

Aug 2011 - Jul 2015

Licenses & Certifications

Certified ML Engineer

IBM

• No expiration

Post Graduate Certification in AIDL

IIT Ropar

• No expiration

Skills

PL/SQL
PySpark
Scikit-Learn
NumPy
Pandas
Matplotlib
Statsmodels
TensorFlow
Keras
Machine Learning
Apache Airflow
Java
AWS Services
ETL
Spark SQL
Data Pipeline