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Berachaiah Abolaji

@berachaiahabolaji

Message

I build reliable data pipelines, relational systems, and analytics dashboards from messy operational data.

Nigeria

Message

What I'm looking for

I'm looking to build reliable data pipelines, analytics platforms, and relational data systems where I can turn raw operational data into decision-ready outputs.

I've built the data layer for Heartfelt Services' national-scale Judicial Staff Learning Management System for the Supreme Court of Nigeria, including relational schemas, migrations, and audit-log models. I also turned eight static reports into live, filterable DataTables and delivered a 13+ chart real-time analytics dashboard.

As founder and Data Engineer at RailPulse, I architected streaming and batch ingestion from Network Rail and OpenWeather through Python and Confluent Cloud Kafka, with planned Databricks Structured Streaming into Bronze Delta tables. I improved reliability through idempotent ETL jobs, sentinel-file orchestration, and data-quality monitoring that surfaced previously uncounted delivery failures.

I'm a Computer Engineering student who enjoys turning raw, messy data into clean, structured, decision-ready outputs using Python, SQL, PostgreSQL, Excel, and Power BI.

Experience

Work history, roles, and key accomplishments

Current

Data Analyst

Current

Heartfelt Services Ltd

Jan 2026 - Present (8 months)

Designed and built the data layer of a national-scale Judicial Staff Learning Management System for the Supreme Court of Nigeria, including audit-log models, migrations, and structured relational schemas. Developed a config-driven Report Centre architecture and automated ETL-style Excel reporting to improve data accessibility and maintain data quality.

Django PostgreSQL MySQL SQLAlchemy Openpyxl ETL Data Quality