j
jeffreyxy

Jeffrey.X

@jeffreyxy

Data Engineer

Chine
Chinois, Anglais
Certaines informations sont présentées en anglais.
À propos de moi
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.... Plus d’infos

Compétences

j
jeffreyxy
Jeffrey.X
hors ligne • 

Voir mes services

Conception & Optimisation
I will write, optimize, and fix sql queries for mysql,oracle, and hive
Modélisation et analyse statistique
I will build python data processing and automation scripts with pandas