Chinedu Balogun

Chinedu Balogun

Available

Senior Data Engineer

Nigeria
Africa/Lagos
9 yrs experience

I build the pipelines everyone downstream assumes are correct.

Most of my value is in data contracts and observability — a pipeline that
fails loudly on Tuesday is worth more than one that silently drifts until the
quarterly numbers are wrong.

Skills

PythonApache AirflowPostgreSQLApache KafkaDockerPandasAWS

Senior Data Engineer

Current Position
Lagoon Financial

Nov 2020 – Present

Own the batch platform behind regulatory and internal reporting.

  • Rebuilt 140 hand-scheduled cron jobs as ~30 Airflow DAGs with explicit
    dependencies; overnight failures fell from weekly to roughly monthly.
  • Introduced column-level data contracts, so a schema change upstream now breaks
    a test rather than a dashboard.

Data Engineer

Kano Retail Analytics

Jan 2017 – Oct 2020

Built the first warehouse the company had: ingestion, modelling, and the arguments about what "active customer" means.

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