Justin Ohara
@justinohara2
Self-motivated Data Engineer with 7+ years of experience.
What I'm looking for
I am a self-motivated Data Engineer with over 7 years of experience in designing, building, and optimizing scalable data solutions across fintech and e-commerce sectors. My expertise lies in end-to-end data pipeline development, analytics reporting, and machine learning model deployment. I have a proven track record of collaborating effectively with cross-functional teams, leveraging my strong business acumen to drive data governance and quality.
In my current role as a Senior Data Engineer at Clarity Analytics Group, I architected and maintained end-to-end ETL pipelines that improved throughput by 35%. I also developed a real-time fraud detection engine that reduced fraud losses by 20%. My previous experience at RevGen Partners involved leading a team to deliver credit risk scorecards and recommendation engines, where I successfully built and deployed machine learning models that increased adoption by 40%.
Experience
Work history, roles, and key accomplishments
Senior Data Engineer
Clarity Analytics Group
Jan 2023 - Present (2 years 6 months)
Architected and maintained end-to-end ETL pipelines handling Merchant Payments, Switch, and Cards data, improving throughput by 35%. Developed real-time fraud detection engine and merchant settlement reporting, reducing fraud losses by 20%.
Data Analyst & Engineer
RevGen Partners
Jun 2020 - Present (5 years 1 month)
Led a team of 5 (Data Engineers, Analysts, ML Engineers) to deliver credit risk scorecards and recommendation engines. Built and deployed ML models (churn, segmentation) as Flask APIs, increasing model adoption by 40%.
Data Analyst
Eliassen Group
Jan 2018 - Present (7 years 6 months)
Analyzed large datasets to identify trends and patterns, supporting strategic decision-making for clients. Created and maintained SQL queries and stored procedures to extract and manipulate data efficiently.
Education
Degrees, certifications, and relevant coursework
University of Toronto
Bachelor's degree, Computer Science
Obtained a Bachelor's degree in Computer Science. The curriculum focused on foundational computer science principles and practices.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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