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Hi, I am Mark

Bao Le

Data Scientist at KIOTVIET TECHNOLOGY CORPORATION.

I am a results-oriented data scientist with a passion for using data to solve complex business problems.

Skills

Experiences

1
Data Scientist
KIOTVIET TECHNOLOGY CORPORATION.

May 2022 - Present, Hanoi, Vietnam

KiotViet is a startup company that provides sales management software for small and medium-sized enterprises.

Responsibilities:
  • Leads a team of 8 to build KiotViet Product Ontology and Product Matching using NER & S-BERT, including system architecture design, data enrichment, data annotation and model deployment. Increased the Product Matching accuracy from 35% to 78% and Product Industry Classification accuracy from 60% to 86%.
  • Built and deployed models for Retailer Industry Classification using NLP techniques, improving Retailers’ Industry Classification accuracy from 82% to 93%.
  • Built analytical dashboards to track app’s performance and operational metrics.
  • Built and deployed classification models to assess lending customers’ credibility score and customer propensity score.
Lecturer
DATAPOT CO. LTD & FOREIGN TRADE UNIVERSITY

May 2022 - Present, Vietnam

Datapot is a training and consulting company that provides data analytics solutions for businesses; Foreign Trade University is a leading tertiary education institution in Vietnam.

Responsibilities:
  • Give lectures in Data Mining and SQL to university students.
2
3
Data Analyst
SEA Ltd.

May 2021 - Nov 2021, Singapore

SEA Limited is a leading global consumer internet company founded in Singapore.

Responsibilities:
  • Produced BI reports on performance metrics of financial products of ShopeePay
  • Produced ad hoc reports, RFM customer segmentation and analysis.
  • Built a model to detect anomalies in daily metrics, improving report’s accuracy.
  • Optimised SQL queries to reduce server resource consumption and improve query performance.
Senior Accountant/BI Analyst
Airpay JSC

Aug 2017 - Dec 2020, Vietnam

Airpay is the provider of the popular e-wallet ShopeePay.

Responsibilities:
  • Designed dashboards and reports, drafted documentation to help local team keep track of the company’s financial position.
  • Performed periodically analytical review, analysed trends and user behaviour that discovered and pre-empted reporting errors.
  • Automated the ETL process from AirPay backend system to accounting-ready data using Python & SQL, saving 100 man-hours monthly and improving reports’ accuracy.
4

Education

Singapore Management University
2021-2022
Master of IT in Business
GPA: 3.99 out of 4
National University of Singapore
2010-2014
B.Sc. in Business Administration and Accounting

Projects (WIP)

Product Discovery
Team Lead November 2022 - March 2023

Production-Grade NLP models for Product Matching, Product Classification and Attribute Extraction

NLP machine-learning professional
Product Deduplication
Developer March 2023

A product clustering and deduplication system using Siamese Network, ANN and Graph theory.

professional machine-learning
User Behavior Analysis
Data Scientist May 2022 - September 2022

Visualise and analyse user behavior for a lending app.

professional fintech

Recent Posts

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Thoughts on the green-eyed logic puzzle, and the importance of meta-information

So I came across the Green-eyed logic puzzle from Ted-ed that goes: The problem There is an island with 100 prisoners, all of who have green eyes. All 100 prisoners are perfect logicians. They all want to escape the island. The condition of escaping the island is that one can deduce one’s own eye colour, and tell the guards the answer at midnight. If the answer is correct, the prisoner is set free.

August 13, 2020 Read