Cheng Wu
Data Engineer II
New Taipei, Taiwan
Summary
👤
Senior🎓
Top SchoolCheng Wu is a Data Engineer II with eight years of experience specializing in scalable data and backend systems, currently driving ad-data processing and infrastructure at Dcard. He holds a Master’s in Computer Science and Software Engineering and has a proven track record migrating petabyte-scale datasets, slashing query latencies by orders of magnitude via ClickHouse, and automating BigQuery governance to cut compute costs. Cheng designs resilient pipelines and infra—building Kubernetes-based Flink clusters, DBT+Airflow integrations, and cross-region replication—that enable real-time analytics and high-throughput APIs. He pairs hands-on engineering (PySpark, Kafka, ClickHouse, BigQuery) with practical DevOps via IaC and CI/CD, and actively shares learnings through meetups and internal workshops. Notably, his migrations achieved zero downtime and measurable BI performance gains, reflecting a focus on pragmatic, production-grade solutions.
8 years of coding experience
4 years of employment as a software developer
Master's degree, Computer Science and Software Engineering, 3.7, Master's degree, Computer Science and Software Engineering, 3.7 at 國立中央大學Bachelor's degree, Computer Science and Information Engineering, Overall GPA : 3.4, Bachelor's degree, Computer Science and Information Engineering, Overall GPA : 3.4 at National Taipei University
Github Skills (20)
database10
distributed-systems9
mongodb7
machine-learning6
cron6
fastapi6
egg4
mautic3
jwt-authentication2
ansible-collections2
rest-api2
abaqus2
vue2
azerothcore2
javascript1
Programming languages (6)
Github contributions (5)
samwu4166/pagination-prediction
Jan 2021 - Aug 2021
A Repo that contains ML-based Pagination Prediction and served with Fastapi
Contributions:58 commits, 2 PRs, 20 pushes in 7 months
fastapimachine-learningmongodbpagination-prediction
UnderSam/Librassist_scraper
Dec 2017 - Jun 2020
Contributions:33 pushes, 1 branch in 2 years 6 months
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