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Jeffrey.X
@jeffreyxy
Data Engineer
China
Chinesisch, Englisch
Über mich
Data engineer with 8 years of experience in finance-grade production
systems. What I deliver:
✅ SQL development & query tuning (MySQL, Oracle, Hive)
✅ ETL pipelines & data warehouse design
✅ Python automation & data processing (pandas)
✅ FastAPI backend development
I've built a 0-to-1 quant research platform and kept a trading system
running with zero major incidents for 4+ years. Deadlines are
commitments — send me your data problem and I'll tell you straight
how I'd solve it.
Kompetenzen
Jeffrey.X
offline •
Meine Dienstleistungen
Datenbank-Design
I will write, optimize, and fix sql queries for mysql,oracle, and hive
Statistische Modellierung & Analyse
I will build python data processing and automation scripts with pandas
