Michael john Kinyunyu
@michaeljohnkinyunyu
I build scalable data pipelines and analytics platforms with Python, SQL, PySpark, and dbt.
TanzaniaWhat I'm looking for
I've built Snowflake and dbt transformation models with schema enforcement, automated testing, and data contracts that give analysts reliable business logic. I also developed a Databricks medallion pipeline for streaming and batch e-commerce data from AWS S3, with automated data-quality and schema-reconciliation checks.
At Tanzania Telecommunication Corporation Limited, I wrote 20+ SQL queries that reduced report generation time by 40%, automated recurring maintenance tasks with Python, and created operational dashboards in Tableau and Crystal Reports. My projects span AWS Glue, Athena, QuickSight, PySpark, Snowflake, and Databricks, including healthcare data standardization and governed self-service analytics.
Experience
Work history, roles, and key accomplishments
Software Engineering
Tanzania Telecommunication Corporation Limited
Aug 2025 - Oct 2025 (2 months)
Wrote 20+ SQL queries for operational reporting on production databases, cutting report generation time for business stakeholders by 40%. Automated recurring system-maintenance tasks using Python, reducing manual operational work.
Education
Degrees, certifications, and relevant coursework
Ruaha Catholic University
Bachelor of Software Engineering, Software Engineering
Pursued a Bachelor of Software Engineering, completing the degree in June 2026.
Availability
Location
TanzaniaAuthorized to work in
Portfolio
github.com/eng-roorkeeJob categories
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