Enthusiastic and quick learner with multiple projects’ experience in data development and end-to-end data projects. Expertise of data engineering and visualization on big data projects.I have nearly two years of experience in data analysis, working as a data analyst, a user growth operation, and a service engineer for different companies. I provided data support and advice for up to 11 teams, based on analytics from millions of users and customers. I developed and maintained data dashboards, pipelines, and ETL processes using Python, SQL, and PowerBi. I also contributed to core promotion projects that increased sales by double-digit percentages.I am proficient in various data analysis tools and techniques, such as Tableau, MS Office, and machine learning. I have a keen eye for detail and a passion for finding insights and solutions from data. I am also a team player who can collaborate and communicate effectively with diverse stakeholders.I am seeking data analyst/engineer opportunities where I can apply my skills and knowledge, learn from experienced professionals, and grow as a data scientist. I am eager to work on challenging and impactful projects that can make a difference for the company and the society.
University Of Sydney
View- Website:
- sydney.edu.au
- Employees:
- 19633
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Casual AcademicUniversity Of SydneyWolli Creek, Nsw, Au
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Software EngineerDataannotation Sep 2024 - PresentSydney, New South Wales, Australia• Models Training & Data Annotation: Training several AI chatbots to accurately solve complex math, logical reasoning, and coding problems, refining problem-solving capabilities and enhancing AI performance.• Quality Assurance & Evaluation: Thoroughly evaluate chatbot outputs, systematically annotate data, penalise malicious and unsafe content, and provide feedback to fine-tune model behaviours. -
Casual AcademicUnsw Computer Science And Engineering May 2024 - PresentSydney, New South Wales, AustraliaTutor for:COMP9311 Database SystemCOMP9517 Computer Vision -
Service Engineer InternJohnson Controls Oct 2023 - Dec 2023Sydney, New South Wales, Australia• Data Engineering: Built ETL data pipelines to support Ad-hoc data requests using Python, PostgreSQL.• Data Visualization: Created Power BI dashboards for Digital Applications Engineers to measure & evaluate application metrics for business efficiency.• Data Steward: Maintained & Monitored existing Access databases and scheduled Ad-hoc data pipelines to support site technicians. -
Computer Science Research Project (Database/Graph Algorithm)Unsw Dec 2022 - Aug 2023Sydney, New South Wales, Australia• Optimized subgraph matching algorithms in non-relational databases (Bipartite Graph).• Designed a new index to extract the group with similar vertexes, which is much more effective than other structures.• Designed an efficient algorithm to extract the index 2 times faster than other algorithms -
Data AnalystJd.Com Mar 2022 - Jun 2022Beijing, ChinaThe head office of JD GroupFood Marketing Department• Data Science: Participated in AI initiatives in the Nationwide Eating Day Project. Contributed to the development & deployment of multiple machine learning models that assist stakeholders from various groups in making promotional strategies.• Data Analysis: Conducted Attribution Analysis as BAU to identify key performance drivers and delivered & reported insights that shaped decision-making in critical marketing initiatives on weekly basis. • Data Engineering & Visualization: Scheduled automated Python ETL pipeline from Data Warehouse to business Data Mart using Airflow. Developed and maintained Tableau dashboards for crucial departmental indicators that is used to report to higher management on weekly and monthly basis.• Data Engineering: Developed Ad-hoc data requests and optimised the performance of existing Spark scripts that handle the purchase history data of over 10 million buyers. -
Data AnalystC&C Rigging Accessories Co.,Ltd. Jun 2020 - Sep 2020Shenzhen, Guangdong, China• Data Visualization: Developed Power BI dashboards to demonstrate marketing operation metrics consuming various data sources from multiple internal departments.• Data Mining: Collected data on public marketing activities of major competitors and conducted statistical quantitative analysis against the competitor’s behaviours.
Andrew Li Education Details
Frequently Asked Questions about Andrew Li
What company does Andrew Li work for?
Andrew Li works for University Of Sydney
What is Andrew Li's role at the current company?
Andrew Li's current role is Casual Academic.
What schools did Andrew Li attend?
Andrew Li attended Unsw, Guangdong University Of Foreign Studies.
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