yiyun xu
Business Intelligence Analyst at CassTime- Claim this Profile
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Bio
Experience
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CassTime
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China
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Technology, Information and Internet
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1 - 100 Employee
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Business Intelligence Analyst
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Jul 2021 - Present
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Nodejs Developer
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Jul 2020 - Jul 2021
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UNSW
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Australia
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Higher Education
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700 & Above Employee
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Frontend Web Developer(Chatbot)
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Sep 2019 - Nov 2019
• Collaborated with the team including backend developer, algorithm developer, professors, tutors in identifying the main project focus and potential best solutions. • Worked closely in the planning and design UI, such as the landing page and main page of chat, addressing to the project objectives and needs of our potential customers. • Developed app-solutions using a variety of language such as CSS, Html combined with React-redux framework. Studied and proposed solutions to the challenges for the purpose of introducing new features.
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UNSW Marketing Society
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Australia
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Advertising Services
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1 - 100 Employee
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Project Assistant
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Nov 2018 - Mar 2019
• Actively engages in data cleaning with the help of the NumPy in Python, reduced 69 minor features. • Identified attributes of data and labelled classes in training datasets, increasing the accuracy of result by 20%. • Pre-processed unbalanced data and analysed correlation between different combinations of attributes and result. • Visualised periodical outcomes via Tableau or Python, prepared the presentation material and communicated in weekly meeting with other 8 groups. • Actively engages in data cleaning with the help of the NumPy in Python, reduced 69 minor features. • Identified attributes of data and labelled classes in training datasets, increasing the accuracy of result by 20%. • Pre-processed unbalanced data and analysed correlation between different combinations of attributes and result. • Visualised periodical outcomes via Tableau or Python, prepared the presentation material and communicated in weekly meeting with other 8 groups.
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Education
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UNSW
Master's degree, Information Technology -
Jiangsu University
Bachelor's degree, Vehicle Engineering