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Jessica Claire
  • Montgomery Street, San Francisco, CA 94105
  • H: (555) 432-1000
  • C:
  • resumesample@example.com
  • Date of Birth:
  • India:
  • :
  • single:
Professional Summary

· Over 7 Years of experience in Data Engineering, Data Integration, Data Analytics, and Software development leveraging latest cloud and on-prem technologies.

· Worked on creating big data ecosystems and data lake for structured and semi-structured data using various open-source technologies addressing business needs.

· Extensive experience with SQL and other relational databases, highly involved with query optimization and query pruning.

· Worked on different projects involved with real time data, web scrapping, Images, Pdfs and helped data mining efforts across the organization using tech...

· Involved in creating Data warehouses supporting operational analytics needs of organization and helping them create executive level reports and dashboards.

· Working knowledge in developing scalable Spark applications using Spark Core, Data frames, Spark-SQL, PySpark, Python, Spark Streaming/Kafka and orchestrating using apache airflow.

· End to end Orchestration of data pipelines and code releases using GIT for CI/CD.

· Expertise in performing root cause analysis understanding business processes/requirements with strong analytical skills.

· Worked independently or as a team player successfully lead and delivered data management projects.

Skills

    · Hadoop Stack

    · Python, SQL, Apache Spark

    · Google Cloud Platform (Google Cloud Storage, Google Compute, Google SQL Instance, BigQuery)

    · Microsoft Azure (Azure Data Factory, Azure Databricks, Azure Synapse)

    · Databases: IBM Netezza, Teradata, SQL Server, MySQL, PostgreSQL, CosmosDB

Education
Master of Science: Computer Science, Expected in 08/2015
-
University Of Houston Clear Lake - Houston, TX,
GPA:
Bachelor of Science: Computer Science, Expected in 05/2013
-
Jawaharlal Nehru Technological University - Hyderabad, IN,
GPA:
Certifications
  • Azure Fundamentals. (AZ-900)
  • Azure Data Fundamentals.
  • Google Cloud Fundamentals.
  • Data Management for Clinical Research.
  • Using Databases with Python.
Work History
Big Data Application Developer , 08/2016 - Current
Ascension Health Mount Prospect, IL,
  • Involved in Design, Analysis, Implementation, Testing, and Support of complete Data Engineering.
  • As part of the Big Data team, ensured data integration (ETL/ELT), data integrity and data quality.
  • Extracted the EHR (epic) data from SQL server to data staging area using BCP.
  • Extensive experience writing complex SQL, Shell, and Python scripts for data transformation and data modeling.
  • Worked on writing python scripts to parse semi-structured data like XML.
  • Increased daily pipeline performance by 90% tuning SQL scripts.
  • Worked on Multiple Phenotyping projects using SQL, Stored procedures, triggers.
  • Led a project on setting up Clamp NLP pipeline in GCP for researchers to extract medical concepts from EHR data used Google Compute, Big Query, Google SQL Instance, Google storage)
  • Working on Migrating ETL Pipelines to Azure using Azure data factory and Azure Databricks.
  • Heavily used Jupyter notebooks to analyze data.
  • Data extraction from APIs with Python.
  • Data Visualization using Apache Superset and Power BI.
  • Responsible for the creation of documents from source fields to destination fields mapping.
Hadoop Data Engineer, 12/2015 - 08/2016
Sears Holdings City, STATE,
  • Created data pipeline to migrate data from OLTP databases to Hadoop and Google Cloud.
  • Ingested data from Teradata to HDFS using Sqoop and BTEQ.
  • Used Hive for data transformation and created partitioned tables in Hive.
  • Performance tuning for Hive and Pig scripts.
  • Worked with Google data flow to get data from different sources and loaded into BigQuery and created tableau dashboards.
  • Analyzed costs incurred by bigquery and optimized the queries for cost savings on bigquery.
  • Worked on Comparing the performance between Hive and Google BigQuery.
Hadoop Developer Intern, 05/2015 - 12/2015
Software Technology Labs City, STATE,
  • Worked on a project Involved in migrating from MySQL to Hadoop (HDFS) using Sqoop utility.
  • Developed MapReduce jobs for data cleansing and preprocessing.
  • Created Hive tables for performance optimization using bucketing & partitioning.
  • Managed and reviewed Hadoop log files.
  • Developed HiveQL scripts for processing data from raw to staging tables and to store the redefined data into partitioned tables for curation and consumption.
  • Involved in documentation of functional and technical requirements specification
Data Analyst, 05/2013 - 12/2013
Peoples IT City, STATE,
  • Gathering business report requirements and modeled database objects, including tables, views and materialized views using SQL.
  • Achieved data integrity after extraction of data from multiple sources by manipulating, also ensured data quality by various validation checks.
  • Developed test data and created testing scenarios for end to end testing life cycle.
  • Developed database objects, including tables, views and materialized views using SQL.

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School Attended

  • University Of Houston Clear Lake
  • Jawaharlal Nehru Technological University

Job Titles Held:

  • Big Data Application Developer
  • Hadoop Data Engineer
  • Hadoop Developer Intern
  • Data Analyst

Degrees

  • Master of Science
  • Bachelor of Science

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