Junior
Data Engineer template
AMARA NWOSU
Data Engineer · Junior
Raleigh, NC · amara.nwosu@email.com · (555) 010-2702 · linkedin.com/in/amaranwosu
Summary
Data engineer owning ingestion and modeling for analytics. Builds pipelines that fail loudly, document their grain, and hold up when upstream schemas change without warning.
Experience
Data Engineer
Research Triangle Analytics · 2022-Present
- Rebuilt a Spark ingestion job with partitioning and pruning; cut nightly runtime from 5h to 70m.
- Migrated 40 dbt models into a tested warehouse layer; ended the era of conflicting revenue tables.
- Added Kafka-based CDC for two source systems; reduced reporting lag from 24h to 15m.
- Built schema-change alerts; caught 3 upstream breaks before dashboards showed wrong numbers.
- Documented data contracts so producers knew what downstream consumers depended on.
- Key project — dbt testing starter: published model tests and freshness checks other analysts adopted.
Junior Data Engineer
Heartland Retail Group · 2021-2022
- Maintained Airflow DAGs and BigQuery loads; documented ownership for pipelines that had none.
- Added dbt tests to catch data-quality issues early.
- Made loads idempotent and safe to re-run.
- Built freshness checks that flagged stale tables.
- Documented pipeline grain and lineage.
- Key project — Pipeline ownership docs: documented and tested inherited pipelines that previously had no owner.
Skills
Python · SQL · Spark · Airflow · dbt · Data warehousing (Snowflake, BigQuery) · ETL / ELT pipelines · Kafka
Education
BS Data Science · Carolina Tech Institute · 2021