F
Fortuna Zhang
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Data Scientist
New York, United States
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Full-time jobs
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USD150K/year
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Jobs
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Data ScientistAmazonOct 2022 - Jul 2023 (10 months)• Applied statistical analysis, A/B experiments and Machine Learning modeling on ads campaign impacts measurements, delivered results in 5 projects with extensive coding in Python/Spark/SQL on AWS platform- Big Data EngineerAmazonMar 2022 - Oct 2022 (8 months)• Developed data pipelines via Redshift, Hive, EMR for 1TB+ financial data on daily basis with 700+ metrics from various sources, built financial reporting product which used by 20k+ vendor managers across 100+ teams
- Data Scientist - SQL, Python, Spark, Power BI, Microsoft Azure, DatabricksEYTMar 2021 - Feb 2022 (1 year)• Took lead role in data science projects in financial modeling team, worked with financial analyst, SDE and accountants in 5 projects, conducted big data analysis, statistical modeling, data pipelines and dashboards visualization • Leveraged Python, SQL, Kusto, Spark on 800GB+ data analysis on Databricks/ADX/SSMS, incl. time lag, retention/attach rate, pressure testing for a multi-million divestiture project, which lasted for 7 months with 80+ members
- T数据分析项 目 咨询TSG Wealth Management of Wells Fargo AdvisorsJun 2020 - Jul 2020 (2 months)- Studied millennials customers preference for Wells Fargo and competitors financial advisory services, designed surveys and collected 200 feedbacks - Analyzed U.S. investment advisory data and customer reviews dataset on Kaggle, applied NLP sentiment analysis, K-means clustering and Jaccard recommendation score matrix, proposed financial product strategy for each customer group
- 数据科学机器学习 实习生NeocovaJun 2020 - Sep 2020 (4 months)• Developed bank valuation prediction web product to be used by nationwide thousands of community banks, took charge of machine learning model building, taking account of economic, financial, demographic, regulatory factors • Analysed FDIC financial statement dataset (1075 variables, 400k+rows), applied filtered-based Pearson Correlation for feature selection, also neural network regression and Bayesian linear regression to predict valuation on Microsoft Azure, achieved 0.98 R2 prediction accuracy • Conducted time-series analysis with ARIMA/GARCH/Prophet model on 20-year community banks' net assets and GDP growth, pre-processed data with detrending and deseasonalizing techniques, developed both univariate and multivariate seasonal ARIMA
- 商商业分析实习 生 - 商业智能部May 2020 - Jul 2020 (3 months)
- AData Science InternArch Talents LLCMar 2020 - Jun 2020 (4 months)• Engaged in data engineer agile projects, led database modeling and ETL design for AWS migration • Built a web application using Django(Python) as data management platform for a healthcare company, adopted to be used by 373 facility users across 24 counties; designed high-level web flowchart providing guidance on web UI and user interaction design • Took charge of AWS RDS and MySQL database schema design, constructed ER diagram and streamlined cloud database ETL process with Talend • Applied Python, SQL, R to build regression models and predict world population, produced Tableau dashboard visualization
- EPracticum Consultant AnalystEdward JonesJan 2020 - May 2020 (5 months)分析金融科技在未来五年在资产管理行业的发展趋势和应用场景 ( 主要关注虚 拟现实、 人工智能技术 ) , 提供公司转型战略建议
- 腾AI Lab战略实习生腾讯Jun 2019 - Aug 2019 (3 months)• 负责人工智能技术 ( 机器学习、 自然语言处理、 计算机视觉、 虚拟人 ) 在线上 教育行业应用场景的战略分析 , 提供产品研发策略。 通过市场调查和专家访谈 搜集行业信息 , 包含K12和成人用户英语学习需求、 主要竞品技术优劣、 未来市 场规模预测等
- 创投部实习生TencentMar 2019 - Apr 2019 (2 months)• 评估电商/在线教育行业 6 家初创公司投资价值(初步尽职调查) • 多维度分析各公司财务和运营数据 , 计算 GMV、 DAU/MAU、 留存复购率、 盈 亏平衡点等;研究"消费降级"引起的下沉用户群体特征、 社交平台(如抖音、 小红 书)KOL 推广策略、 公司 KSF 和潜在风险等 , 以评估各初创公司价值和商业模 式的可持续竞争力
- TIT审计实习生TRIAD China Ltd. | 德立创意策划 ( 上海 ) 有限公司Jan 2019 - Mar 2019 (3 months)• 执行IT审计项目共5个 , 包括招商证券、 深圳航空等;完成IT系统审计报告共15 张 , 包含Linux/Windows/Oracle数据库等 • 使用阿里云平台执行SQL语句 , 查询100+次客户数据 , 并进行用户流转性测 试、 数据有效性测试、 充值结余分析等 • 自学安装java环境并使用java程序在1天内完成10万条数据提取 , 执行 VBA 语 句完成 80+张工作表合并
- L战略项目 团队队长Lan Kwai Fong GroupSep 2017 - Jan 2018 (5 months)• 为兰桂坊设计中国大陆品牌宣传战略 , 以其成为中国夜生活意见领袖为 目 的 • 对中国大陆数字化娱乐平台和鸡尾酒行业进行市场调研 , 分析消费者"为知识 买单"行为特征和动机 , 组织发放 1000+份问卷调查
- DResearch InternDepartment of Computer Science and Engineering, The Hong Kong University of Science and TechnologyJul 2017 - Aug 2017 (2 months)Project: Automatic Spreadsheet Error Detection The research is based on extensive research of 2194 excel worksheets derived from three business companies (Jaxworks, Enron, PDS), covering financial analysis, operation management, marketing strategy, etc. The main object is to build spreadsheet error taxonomy, detect clustering errors and optimize clustering results. The methodology included VBA for combining spreadsheets, 'Kutools for excel' for separating spreadsheets, java program CC2s developed by Prof. Cheung Shing Chi for clustering and detecting smells, and manual inspection. The report provides structured spreadsheet error taxonomy (2 categories and 4 subclasses) in correlation to latent causes, statistical analysis of CC2s results, 6
- A投资银行培训生(前台部)Alpha Capital Holdings, Inc.Jun 2017 - Aug 2017 (3 months)
- 期期货交易部实习 生Jan 2017 - Feb 2017 (2 months)
Education
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- 研究生, 商业分析-金融科技Washington University in St. LouisJan 2019 - Jan 2021 (2 years 1 month)
- Exchange, International BusinessUniversity of WarwickJan 2018
- 香学士, 工商管理 - 经济学&信息系统香港科技大學Jan 2015 - Jan 2019 (4 years 1 month)
- THigh School DiplomaThe High School Affiliated to Renmin University of China