isaac Tetteh

Education

Migrated SSIS workflows that required manual work into an event-driven aws glue jobs, saving the team 10+ hours a month.
Designed and implemented a python library that sits atop aws-glue-libs python library with extra transformation classes, making it easy for data scientists to work with.
Collaborated with data scientists and business personnel to implement validation steps for source data before being used in model development.
Collaborated with team members to develop multiple dashboards for the Digital Excellence Program by writing efficient SQL code to reduce latency and increase front end performance.
As part of a data quality project, I contributed to standardizing machine data and automated the creation of configuration files used in model development, as a result, saving the team 30 days of development time and improved machine learning model performance

Collaborated with software engineers to build scalable and fault-tolerant systems, data lakes, and data pipelines on AWS to collect and process GB of time-series data daily from machines sensors to derive insight.
Built data producers in Python, deployed queue systems and implemented data validation workflow as part of a large project to migrate 100+ TB of on-premises time-series data to AWS cloud and snowflake while also performing monitoring and observability
Created well-documented automated Python and SQL ETL pipeline using prefect core to power Tableau dashboards used to track CAT digital project status reducing monthly deployment time from 2 – 3 days to 2 hours
Collaborated with team members to develop multiple dashboards for the Digital Excellence Program by writing efficient SQL code to reduce latency and increase front end performance.
As part of a data quality project, I contributed to standardizing machine data and automated the creation of configuration files used in model development, as a result, saving the team 30 days of development time and improved machine learning model performance

Develop SSIS packages to extract data from multiple data sources, transform / clean / combine them, load into staging database, and deploy the package to integration Services server.
Encrypt data at rest and decrypt data as needed for nightly jobs using Voltage in SQL.
Created Power BI reports for auditors, managers and VPs of other Berkley companies to help them understand their data and make insightful decisions.
Collaborated with software developers to embed Power BI reports into web applications for clients in an agile way.

Collaborated with team members to develop search algorithms for in-house graph database traversal

Cleaned client data into a tidy format for implementation.

Performed data mapping, data validation, and verification with customers to meet company standards.

I retrieved IT Assets from other employees in a timely manner.

I also entered IT Asset data into the database system.

Used python to read files to collect data and ordered products and managed stock.