Bob H.
Omaha, United States
100%
Job Success
Top Rated Plus
Data Engineer and Data Management Specialist
$90.00/hr
Accomplished Data Engineer with multiple years of experience designing, implementing, and optimizing data analytics solutions for cloud-based big data environments.
Proficient in building robust data pipelines, ETL/ELT processes, data warehousing, and business intelligence platforms. Expertise in AWS services such as Glue, Athena, EMR, and Kinesis, as well as Snowflake's cloud data platform.
Strong background in Python, SQL, Apache Spark,, and Kafka. AWS certifications in Data Engineering, Big Data, and Data Analytics. Snowflake SnowPro Core certified.
Expert Data Engineer | AWS Certified Data Analytics Specialist | Snowflake SnowPro Core Certified | Big Data Architecture | Cloud Data Warehousing | Data Lakehouse| Data Lake | ETL/ELT Pipelines | Data Modeling | Business Intelligence | Machine Learning | Python | SQL | Apache Spark | Kafka | Kinesis | AWS Glue | AWS Athena | AWS EMR | Data Quality | Data Security | Apache Iceberg
Work history
Work history
SafeGraph dataset cleaning and parsing - Upwork enterprise client
Jul 9, 2024
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Jan 10, 2025
No feedback given
Private earnings
Give me a crash course in GIS data and recommend how to get addresses from map images
Jul 12, 2023
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Jul 24, 2023
"Bob jumped on this project and knocked it out in a day. Was happy to get on calls to discuss it and walk me through the script he developed, even…
Private earnings
Modern Data Engineer
Jun 15, 2021
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Dec 20, 2021
"Bob is quite possibly the greatest consultant we have used on Upwork. Everyone should hire Bob. The world needs more Bob. In all seriousness, he is an excellent consultant, a…
Private earnings
Data Engineering
Apr 1, 2021
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Jul 21, 2021
No feedback given
Private earnings
Part-time Data Engineer role with iMerit, a global leader in data services
Feb 17, 2021
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Apr 1, 2021
"I would enthusiastically recommend Bob Haffner for any data/cloud engineering projects. Bob has worked with our team to build complex data pipelines, data transformation & analytics scripts, and dashboards. He…
Private earnings
Data Engineering
Mar 31, 2021
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Apr 1, 2021
"I would enthusiastically recommend Bob Haffner for any data/cloud engineering projects. Bob has worked with our team to build complex data pipelines, data transformation & analytics scripts, and dashboards. He…
Private earnings
SafeGraph dataset cleaning and parsing
Jan 7, 2025
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Present
Job in progress
Private earnings
Data Engineer with Snowflake Experience
Jul 15, 2024
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Present
Job in progress
Private earnings
AWS AI Services
Jul 24, 2023
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Present
Job in progress
Private earnings
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Skills
Skills
- Python
- Data Management
- Amazon Athena
- Apache Kafka
- ETL
- AWS Glue
- Data Modeling
- Solution Architecture
- Apache Airflow
- pandas