Hieu L.

Key Skills

Software

Don't disclose

Top Subject Matter

Fintech Domain Expertise

Ocr/icr Domain Expertise

Fraud/Chatbot ML features

Top Data Types

Text

Document

Top Task Types

Data Collection

Freelancer Overview

Innovation Project Specialist — FE CREDIT (data preparation and testing for ML models). Brings 16+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose, Google BigQuery, and Power BI. Education includes Post-Graduate Certificate, Humber College (2023) and Master of Science, University of Economics of Ho Chi Minh City (2016). AI-training focus includes data types such as Text and labeling workflows including Data Collection.

Labeling Experience

Reporting Analyst — York University (preparing curated data for reporting/analytics)

TextData Collection

Translated university reporting requirements into technical specifications and set up ETL processes to move source data into reporting databases used for query and report generation. Monitored production jobs, resolved data availability and accuracy issues, and communicated technical status updates to stakeholders. Developed, tested, and promoted new reports and reporting solutions to production while documenting program and process changes. • ETL setup to ingest source data into reporting databases • Build queries/reports against reporting databases per requirements • Production monitoring and incident resolution for budget/forecast reporting • Ongoing support for reporting requests with documentation and continual improvement

2023 - 2025

Data Analytics Lead — beGroup JSC (ML data work and analytics pipeline support)

TextData Collection

Collected, analyzed, and validated data for machine learning model training and testing in collaboration with Data Science and Data Engineering teams. Built measurement and tracking dashboards supporting auto-dispatching and dynamic surge pricing models, contributing to reduced reporting workload and improved retention-related outcomes. Designed and implemented multiple analytical data marts to enable self-service BI, supporting downstream model and analytics workflows. • ML data collection/validation for model training and testing • Developed SQL automation scripts for data processing on Google BigQuery • Built 100+ Power BI/Google Data Studio dashboards and reports for business insights • Implemented 10+ analytical data marts and data governance to support reliable analytics and model inputs

2018 - 2021

Innovation Project Specialist — FE CREDIT (data preparation and testing for ML models)

Don't discloseTextData Collection

Coordinated fintech innovation work involving machine-learning features, including OCR/ICR and chatbot development, and executed extensive user acceptance testing for a mobile lending platform. Led large-scale preparation of training data by managing manual data entry for OCR model training using 1 million Vietnamese documents. Supported model readiness through structured testing and cross-team coordination with vendors and internal stakeholders. • OCR/ICR ML training data collection via 1M document ingestion • Defined and executed 100+ UAT cases across development environments • Coordinated internal and vendor development teams for ML/fintech features • Researched technologies to support ML-driven customer-facing use cases

2018 - 2018

Education

Work History