Sung User
@sungshine
Operations & data analyst with 5+ years driving measurable impact — SQL, Python, BigQuery, Looker. Bilingual Korean/English. U.S. Permanent Resident.
What I'm looking for
I'm a data analyst with 5+ years of experience specializing in operational analytics, process improvement, and data infrastructure. My work sits at the intersection of technical execution and business impact — I don't just build dashboards, I build systems that change how organizations operate.
At LG Electronics (US), I architected end-to-end data infrastructure using BigQuery and SAP EDW, built automated Python pipelines that eliminated manual reporting across multiple teams, and designed an AI-based QA system that evaluated 100% of customer interactions in real time. These projects reduced dispatch lead time by 65% and improved online purchase conversion rates by 35%.
Before LG, I worked at Robotry as a Marketing Research Engineer, where I built funnel and cohort analyses to measure channel-level acquisition quality and campaign performance, working directly with Google Ads and Meta campaigns. Prior to that, I was a Customer Data Analyst at UNIQLO, translating customer behavior data into operational improvements across merchandising and sales workflows.
I'm technically strong in SQL (BigQuery), Python (Pandas, NumPy), Looker, Tableau, and GCP. I'm equally comfortable presenting findings to executives as I am writing complex queries from scratch.
I'm currently looking for remote data analyst or operations analytics roles where I can own meaningful problems end-to-end — ideally at a fast-moving company where data work has direct, visible impact on the business.
Experience
Work history, roles, and key accomplishments
Architected operational data infrastructure in BigQuery and SAP EDW to enable decision-grade reporting across intake, scheduling, and field execution workflows. Built Python pipelines and an AI-assisted QA system that cut dispatch lead time 65% (40 to 14 days) and increased online purchase conversion from 17.8% to 24%.
Marketing Research Engineer
Robotry Co., Ltd.
Jan 2020 - Jan 2023 (3 years)
Built funnel and cohort analyses to identify channel sources driving users with 2x higher early retention. Partnered with Product and Engineering to diagnose drop-off points and delivered performance reporting for launches and CES to improve marketing prioritization.
Customer Data Analyst
Uniqlo
Jan 2017 - Jan 2020 (3 years)
Analyzed customer inquiries, purchase behavior, and in-store feedback to identify friction points affecting conversion and repeat visits. Partnered with store leadership to optimize staffing, merchandising, and sales-floor workflows using demand pattern analysis.
Education
Degrees, certifications, and relevant coursework
Kumoh National Institute of Technology
Bachelor of Science, Industrial Engineering
Earned a B.S. in Industrial Engineering from Kumoh National Institute of Technology in South Korea.
Udacity
Course (Programming for Data Science with Python), Data Science (Python)
Completed Udacity’s Programming for Data Science with Python program.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Salary expectations
Social media
Job categories
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