Data Engineer
Current
Jun 2023 - Present
AeroLeads people directory · profile
Da Ha Email & Phone Number
Data Engineer
at
China Galaxy Securities Co.
LinkedIn matched
✓ Verified July 2026
3 data sources
Profile completeness 86%
Who is Da Ha? Overview
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Quick answer
Da Ha is listed as Data Engineer at China Galaxy Securities Co., based in Beijing, China. AeroLeads shows a matched LinkedIn profile for Da Ha.
Da Ha previously worked as Data Engineer at China Mobile and Data Engineer at Zhi-Tech Group. Da Ha holds Master'S Degree, Engineering Management from University Of Chinese Academy Of Sciences.
Company email context
Email format at China Galaxy Securities Co.
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China Galaxy Securities Co.
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Profile bio
About Da Ha
• Experienced data professional with over 5 years in data warehouse architecture and proven expertise in designing and implementing batch and stream data processing pipelines. • Skilled in SQL,Java and Python.
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5 roles
Da Ha work experience
A career timeline built from the work history available for this profile.
Data Engineer
1.Led the technical evolution planning of the storage layer architecture, including Hadoop, MPP, graph databases, and cloud-native databases.2.Successfully managed the hot and cold data separate storage project.
Dec 2022 - Mar 2023
Data Engineer
1.Designed and implemented over 20 stream and batch data processing pipelines, ensuring stable operation for over two years.2.Refactored data architecture to eliminate repeated web scraping, resulting in a 60% reduction in resource usage.3.Deployed machine learning workflows using TFX and MLFlow.4.Conducted technical research on graph databases and data lakes.
Oct 2019 - Apr 2022
Data Engineer
1.Designed and developed a real-time statistical system for active users.2.Developed core modules for the payment business data warehouse.3.Managed the annual bill project, which increased page views by 30% during delivery.4.Led product selection for the web log analysis system.
Dec 2017 - Aug 2018
Data Warehouse Engineer
1.Managed the data warehouse development for the VAT invoice monitoring and analysis system.2.Designed a data warehouse based on Hive and led the migration from Oracle to Hive.3.Conducted requirement analysis for the State Administration of Taxation and demonstrated technical solutions.4.Coordinated and communicated with cooperative enterprises.
Apr 2015 - Feb 2017
2 education records
Da Ha education
Master'S Degree, Engineering Management
Bachelor'S Degree, Internet Of Things
FAQ
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What company does Da Ha work for?
Da Ha works for China Galaxy Securities Co..
What is Da Ha's role at China Galaxy Securities Co.?
Da Ha is listed as Data Engineer at China Galaxy Securities Co..
Where is Da Ha based?
Da Ha is based in Beijing, China while working with China Galaxy Securities Co..
What companies has Da Ha worked for?
Da Ha has worked for China Galaxy Securities Co., China Mobile, Zhi-Tech Group, China Unicom, and Aisino Corporation.
How can I contact Da Ha?
You can use AeroLeads to view verified contact signals for Da Ha at China Galaxy Securities Co., including work email, phone, and LinkedIn data when available.
What schools did Da Ha attend?
Da Ha holds Master'S Degree, Engineering Management from University Of Chinese Academy Of Sciences.
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