Looking for a job

Barnaby Kamau

@barnabykamau

Data Engineer, Passionate about leveraging emerging tools and AI to optimize data operations

Data Engineer with 4 years of experience architecting and automating mission-critical data workflows. Specializes in building scalable, resilient data pipelines with Apache NiFi, Python, and AWS to eliminate manual processes, enhance data quality, and drive efficiency. Proven ability to deliver automated solutions through cross-functional collaboration and comprehensive documentation. Passionate about leveraging emerging tools and AI to optimize data operations

Experience

Work history, roles, and key accomplishments

Current

Data Engineer

Current

PST.AG

May 2024 - Present (1 year 5 months)

Designed and deployed ETL workflows to ingest and validate complex JSON and XML trade tariff data for integration into SAP systems and delivery to customers, and implemented monitoring that reduced incident resolution time by 40%.

ETL JSON XML Great Expectations Prometheus SAP Integration Data Quality Monitoring Run Books

Software Engineer

Safaricom PLC

Aug 2021 - Apr 2024 (2 years 8 months)

Designed and implemented scalable ETL pipelines with Apache NiFi to ingest high-volume mobile money and CDR datasets into AWS S3 and supported ML fraud detection pipelines, improving detection accuracy and data governance.

AWSAthena Apache NiFi AWS S3 AWS Glue AWS Kinesis Redshift Lake Formation Data Ingestion QuickSight

Test Automation Engineer

Techno Brain Group

Jan 2020 - Jul 2021 (1 year 6 months)

Designed and integrated Selenium and Cucumber automated test suites into CI/CD pipelines for national revenue systems, reducing regression time by over 80% and lowering production defects.