Resume
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I'm a passionate data analyst with years of experience in data analysis, software development and QA, and a degree in Computer Science and Engineering. My diverse background enables me to bridge technical and business challenges by understanding systems from both user and backend perspectives. Outside of my love for data, I’m also into reading human psychology, exploring nature, climbing, and photography.
Experience
Oct 2023 - present
Sina Tyres
Dubai, UAE
Data Analyst (Hybrid)
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Cleaned and processed 1M+ transactions using SQL, Python, Pandas, and Excel, ensuring data accuracy and consistency, and analyzed sales and customer behavior to identify trends for optimizing product offerings, pricing, and marketing strategies.
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Achieved an over 15% revenue increase across all six stores by leveraging data-driven insights
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Implemented machine learning models to forecast demand and predict customer preferences.
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Developed dynamic Power BI dashboards, delivering real-time insights into sales and inventory for stakeholders.
Apr 2022 - Aug 2023
Freelance
Blockchain Application Developer (Remote)
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Designed and built 3 dApps for Play-to-Earn games and Supply-Chain on Ethereum and Solana.
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Researched and developed automation tools for Ethereum Smart Contract security audits, reducing manual effort by 30%.
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Advised clients on code optimization and security best practices for smart contract standards, ensuring efficient smart contract execution and robust protection against vulnerabilities.
Jun 2017 - Jun 2022
Waldo Photos App
Austin, TX, USA
Quality Assurance Specialist (Remote)
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Analyzed the AI model results to identify and document bugs, improving the model accuracy.
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Collaborated with development team to implement solutions across web and mobile platforms based on insights from user behavior testing and bug diagnosis.
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Managed a team of 10 QA Specialists, coordinating efforts to enhance testing processes.
Mar 2021 - Aug 2021
LG Electronics
Seoul, South Korea
Student Intern (Remote)
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Contributed to the development of LG’s Low-Price High-Performance Continual Learning models.
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Applied Active and Semi-Supervised Learning techniques to enhance model training with limited labeled data.
Education
Mar 2016 - Aug 2021
Seoul National University
Seoul, South Korea
B.Sc. Computer Science and Engineering
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Ranked #31 in QS World University Rankings 2025.
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Coursework includes: Data Mining, Computer Vision, Computer Programming, Statistics, and Engineering Mathematics.
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Thesis title: COVID‑19 Detection from Chest X‑ray Images Using Deep Learning and Machine Learning Approaches.
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Award: Received the Korean Government Fully Funded Scholarship as one of the 120 top global students for five consecutive years.
Skills
Data Analysis
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MySQL, MS SQL Server, Python, Panda
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PowerBI, DAX, Excel
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Git, Jupyter Notebook, Azure Data Studio
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Machine Learning, Statistics, Scikit-learn
Programming
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C, C++, Java, Python, HTML
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Rust, Solidity, EVM Assembly
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Git, Linux, VSCode
Projects
Dec 2024
Comprehensive Analysis of Retail Sales Data
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Created interactive Power BI dashboards to visualize and analyze retail sales data.
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Performed data preprocessing and integrated multiple data sources using SQL, Pandas, and Python scripts.
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Optimized DAX calculations to enhance dashboard.
Sep 2024
Hands-On SQL Exercises
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Solved and provided detailed explanations for 9 complex and unique SQL challenges for educational purposes.
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Utilized advanced techniques such as CTEs (Common Table Expressions), Window Functions, Indexing, Subqueries, Joins, Aggregations, and Recursive Queries.