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Jacob Gyuwon Jung
Investment Data Engineer @Utmost Group
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WORK HISTORY
Investment Data Engineer @Utmost Group
Dublin, IE
Built and operated production data pipelines with a centralised data storage layer, supporting high-volume historical roll-forward processing.• Optimised large-scale batch workloads through T-SQL query tuning and batching strategies, reducing processing time from 25 minutes to 12 minutes and improving system throughput and reliability• Investigated and resolved production data issues by analyzing upstream and downstream data flows and maintaining SQL Server Agent jobs, applying structured root cause analysisDeveloped Python-based automation for data validation, transformation, and reconciliation, executed via scheduled jobs, replacing manual checks and improving operational resilience• Designed and implemented automated data transfer and validation workflows, migrating legacy delivery mechanisms to secure SFTP-based pipelines and enforcing consistency through T-SQL–driven validation logic• Collaborated with reconciliation and operational teams to investigate data integrity issues, supporting incident analysis and resolution in a production environment
EDUCATION
University College Dublin
Master of Science - MSc, Computer Science
KH Information Education Center
Java Developer Training Program, Computer Software Engineering
The Catholic University of Korea
Bachelor of Arts - BA, Psychology
ABOUT JACOB GYUWON JUNG
I’m a Graduate Software engineer from UCD, passionate about backend and AI/ML development.I enjoy learning how scalable systems are built and continuously improving my skills in Python, Java, SQL, and cloud technologies like AWS and Docker.During my studies and freelance projects, I’ve contributed to building secure and efficient systems, ranging from microservices to AI-powered recommendation platforms.I’m eager to join a collaborative engineering team where I can grow as a developer, learn from experienced mentors, and contribute to impactful projects. Open to Graduate SWE opportunities (Backend, Full-Stack, AI/ML, Agentic AI) in Ireland, UK, and Europe, where I can contribute technical expertise, problem-solving, and collaborative energy.
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