Kien Doan Trung

AI Engineer

Ha Dong District, Hanoi, VN.

About

Highly accomplished AI Engineer with a B.Sc. in Computer Science, specializing in Machine Learning, Deep Learning, and Natural Language Processing. Proven ability to design, develop, and deploy AI-powered solutions that enhance operational efficiency by up to 80% and improve accuracy to 99.8%. Eager to leverage expertise in data-driven decision-making and advanced AI model development to drive innovation and deliver measurable business impact.

Work

BIGBANGDATA Co., Ltd

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AI Engineer

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Summary

As an AI Engineer, developed and deployed advanced AI/ML solutions across healthcare and e-commerce domains, driving significant improvements in operational efficiency, accuracy, and revenue.

Highlights

Developed and deployed an AI model for health insurance level determination, achieving 99.8% accuracy (up from 80% manual) across 100+ insurance types for over 200 healthcare facilities.

Reduced calculation time and effort for employee insurance costs by 80% through AI automation, completely replacing human involvement in the process.

Designed and deployed AI-powered workflows for online sellers, reducing daily merchant workload by 30% and boosting operational efficiency by 20% while optimizing Return on Ad Spend (ROAS).

Implemented Collaborative Filtering for product recommendations and predicted top 10 best-selling product sales volumes, enhancing product visibility and conversion rates for Flash Sale programs.

Engineered an intelligent Virtual Sales Agent using LangChain, LangGraph, and SQLite, reducing customer service response time by 40% and enabling 24/7 personalized support.

Epacific Telecom

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AI Intern

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Summary

Contributed to AI development and research, focusing on LLM applications and platform enhancements.

Highlights

Researched and explored the LangChain Framework to enhance proficiency in large language model applications.

Developed an automated LLM answer assessment tool, reducing manual evaluation time by 60% and ensuring consistent quality assessments.

Contributed to the development of various templates for the eFlowAI low-code AI programming platform.

Reduced AI development time by 20% for developers by creating efficient and reusable templates.

Education

Phenikaa University

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B.Sc. Computer Science Grade: 3.3/4.0

Courses

Applied Machine Learning

Deep Learning

Computer Vision

Natural Language Processing (NLP)

Bigdata

Fundamentals of Data Science

Data Analytics

Languages

English

Vietnamese

Certificates

Neo4j Certified Professional

Neo4j

Deep Learning Specialization

Coursera

Google IT Automation with Python

Coursera

Google Data Analytics Specialization

Coursera

AWS Academy Graduate - AWS Academy Cloud Architecting

Amazon Web Services

Skills

Machine Learning & AI

Machine Learning, Deep Learning, Natural Language Processing (NLP), Large Language Model (LLM) Applications, Multimodal AI, Computer Vision, Data Preprocessing, Data Analytics, AI Model Development, AI Automation, Predictive Modeling, Collaborative Filtering.

Frameworks & Libraries

TensorFlow, Keras, NumPy, Pandas, Scikit-learn, BeautifulSoup, Flask, FastAPI, LangChain, OpenCV, LangGraph.

Programming Languages

Python, SQL, Cypher, Bash.

Tools & Platforms

Git, GitHub, Shopee Bidding Platform, SQLite.

Soft Skills

Problem-solving, Active Listening, Analytical Thinking, Critical Thinking, Strategic Planning, Data-driven Decision Making, Process Optimization.

Projects

Vietnamese Speech Recognition

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Summary

Developed a Vietnamese speech recognition model and optimized it for improved accuracy.

Vietnamese Handwriting Recognition

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Summary

Built a deep neural network for Vietnamese handwritten word recognition and developed a user-friendly web application.