Preyaa Atri
Lead Data Science Engineer
New York,NY
Summary
Team oriented lead data science engineer seeking to leverage 7+ years of experience in building data intensive applications, tackling challenging architectural and scalability problems. Patient problem solver with an appreciation for clean code.
Overview
7
7
years of professional experience
Work History
Lead Data Science Engineer
MSC Industrial Supply
01.2022 - Current
- Develop and maintain Data Engineering applications.
- Built a machine learning system that predicts hardware malfunction with more than 80% accuracy.
- Improved the efficiency of a customer recommendation engine by 33%.
- Utilize Generative AI, specifically a Large Language Model (LLM), to create a Natural Language to Code Generator.
- Orchestrate data pipelines by Airflow DAGs(Python), & Dbt.
- Implement SCD Type 1 & Type 2 methodologies using SQL.
- Built and optimize data warehouse on Google Cloud Platform, using BiqQuery, Composer, Cloud Storage, Cloud Functions and Dataform, to reduce costs by 30%.
Data Engineer
ON Q FINANCIAL
08.2020 - 12.2021
- Data pipeline creation/maintenance using Python & SQL.
- Design reliable and scalable data pipelines using AWS EMR.
- Tune table designs in Amazon Redshift.
Data Science Intern
GRAVY ANALYTICS
05.2019 - 09.2019
- Collaborate on ETL (Extract, Transform, Load) tasks, using Databricks.
- Transfer data from database to Elasticsearch, using Java.
- Design visualizations to communicate insights using Tableau.
Associate Data Engineer
AMDOCS DEVELOPMENT CENTRE
07.2016 - 10.2017
- Integrate Kafka with Spark Streaming, using Scala.
- Manage HDFS and load unstructured data.
- Cleaning and statistical analysis of data using Python and R.
Data Analyst
COGNIZANT TECHNOLOGY SOLUTIONS
07.2014 - 07.2016
- Import and export data using Flume and Kafka.
- Partitioning and bucketing of data in Hive.
- Migrate Data Warehouse from Oracle to AWS Redshift.
- Real-time batch processing with Spark, over AWS EMR.
Education
Master of Science - Data Analytics Engineering
Volgenau School of Engineering, George Mason University
Fairfax, VABachelor of Technology - Computer Science
Institute of Engineering, Bundelkhand University
Skills
- Big Data Ecosystems - HDFS, Hive, Pig, Sqoop, Flume, Kafka, Oozie, HBase, Spark, Zookeeper
- Languages/Concepts - Scala, Python, R, Java, SQL, Machine Learning, NLP, HiveQL
- Databases - MySQL, PostgreSQL, MongoDB, DynamoDB, Oracle 12c
- Tools & Utilities - Tableau, Power BI, Looker, Control M, Autosys, SQL Developer, Elastic Search and Kibana, Jenkins, Hadoop Framework, Microsoft Azure, Docker, Dbt, Databricks
- AWS/Cloud Services - S3, EC2, Redshift, EMR, Data Lakes, Lambda
- GCP - BigQuery, Composer, Cloud Storage, Dataform, Dataflow, Vertex AI, Apache Airflow, Pub/Sub, Data Fusion
- Machine Learning Algorithms: Linear Regression, Logistic Regression, Decision Trees, Random Forest, K-Means Clustering, Support Vector Machines
Timeline
Lead Data Science Engineer
MSC Industrial Supply
01.2022 - Current
Data Engineer
ON Q FINANCIAL
08.2020 - 12.2021
Data Science Intern
GRAVY ANALYTICS
05.2019 - 09.2019
Associate Data Engineer
AMDOCS DEVELOPMENT CENTRE
07.2016 - 10.2017
Data Analyst
COGNIZANT TECHNOLOGY SOLUTIONS
07.2014 - 07.2016
Master of Science - Data Analytics Engineering
Volgenau School of Engineering, George Mason University
Bachelor of Technology - Computer Science
Institute of Engineering, Bundelkhand University
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