Jefferson A.
Data Engineer

Skills

Airflow

Transact-sql

Spark

Microsoft Sql Server

Python

Postgresql

Jefferson is available for hire

Meet Jefferson A.

All Howdy Candidates are vetted for skills and english proficiency.

Bio

A Data Engineer with five years of experience in the data domain, possessing specialization in the Google Cloud Platform (GCP). The role involves the collection and processing of data from diverse sources, including legacy systems, big data systems, APIs, and files. Areas of expertise encompass a wide range of GCP tools, particularly BigQuery, Cloud Dataproc, and Cloud Storage. Additional technical proficiency includes programming languages such as Python, particularly with PySpark, T-SQL, SQL, and PL-PGSQL.

Jr. Data Engineer
8/1/2021 - Present

Developed expertise in designing and implementing data pipelines in both on-premises environments and cloud platforms. Gained proficiency in performing data transformation, collection, and loading processes. Specialized in the creation and optimization of data models to support various business needs. Utilized tools and frameworks such as Apache Airflow, AWS Glue, Azure Data Factory, and custom Python/SQL scripts to ensure efficient and scalable data workflows. Contributed significantly to the maintenance and improvement of ETL processes, ensuring data integrity and reliability across distributed systems.
Data Analyst III
2/1/2021 - 5/1/2021

Developed proficiency in transactional database modeling, with significant expertise in analyzing descriptive and diagnostic data. Created and optimized load scripts using T-SQL and PL/pgSQL, showcasing advanced skills in database management and data manipulation.
Data Analyst II
8/1/2020 - 2/1/2021

Developed proficiency in transactional database modeling and performed comprehensive analysis of descriptive and diagnostic data. Created efficient load scripts utilizing T-SQL and PL-PGSQL, showcasing strong expertise in these scripting languages. Utilized advanced techniques to ensure the accuracy and reliability of database operations.
Data Analyst I
9/1/2019 - 8/1/2020

Gained expertise in transactional database modeling and performed in-depth analysis of descriptive and diagnostic data. Created efficient load scripts utilizing T-SQL and PL-PGSQL, ensuring data integrity and optimized performance.
DBA Assistant
4/1/2019 - 9/1/2019

Developed expertise in database modeling for transactional databases and conducted comprehensive analyses of descriptive and diagnostic data. Created efficient loading scripts using T-SQL and PL-PGSQL, ensuring data integrity and streamlined database operations.
Data Analyst Jr
8/1/2018 - 3/1/2019

Developed expertise in database modeling for transactional systems, focusing on optimizing structure and performance. Analyzed descriptive and diagnostic data to provide actionable insights and improve decision-making processes. Created efficient loading scripts using T-SQL and PL-PGSQL, ensuring data integrity and seamless integration into existing databases.
Trainee - Data Analyst
4/1/2018 - 7/1/2018

Developed proficiency in database modeling for transactional databases and performed comprehensive analysis of descriptive and diagnostic data. Created efficient load scripts utilizing T-SQL and PL-PGSQL, showcasing strong technical expertise in these scripting languages.