JO
Open to opportunities

Justin Ohara

@justinohara2

Self-motivated Data Engineer with 7+ years of experience.

United States
Message

What I'm looking for

I am looking for a role that fosters collaboration, innovation, and growth opportunities in data engineering.

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

CG
Current

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%.

RP

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%.

EG

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 logoUT

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.

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