AI Engineer with Data & ML Experience

Tien (Harry) Phan

AI Engineer

§ regunary ï tienphan168 # ********.*@*****.*** H +84.705.161.592 Summary

With 5+ years of experience building production-grade data systems and AI-powered applications for e-commerce platforms. Experienced in designing agentic workflows using LLMs, Retrieval-Augmented Generation (RAG), and tool-based orchestration. Proven ability to build scalable pipelines for data ingestion, embedding, retrieval, and automated decision-making. Strong background in AWS-based sys- tems, vector search, and hybrid ML + LLM architectures, with a focus on reliability, observability, and business-driven AI solutions.

Work Experience

O Foundation Mar 2025 - present

Fullstack Developer

• Designed agentic AI workflows for customer support automation, integrating LLMs, RAG pipelines, and SOP-based reasoning

• Built retrieval pipelines including data ingestion, chunking, embedding, and semantic search over internal knowledge bases

• Built real-time ETL pipelines integrating orders, returns, ads, and inventory for centralized analytics

• Automated profit, VAT, and reporting workflows, reducing manual workload by 70 Otsu Labs Apr 2024 - Jan 2025

Backend / Data Engineer

• Designed data hub architecture supporting AI-driven workflows and multi-system orchestration

• Built middleware APIs enabling tool-based execution and workflow automation across services

• Integrated GenAI models into business processes for decision support and task automation

• Developed distributed pipelines supporting real-time data processing and system scalability Ho Chi Minh City University of Education May 2023 - Mar 2024 Backend Developer

• Developed RESTful APIs and middleware for a digital transformation platform

• Integrated third-party services (payment, email) to improve system automation

• Implemented authentication and security mechanisms for data protection

• Collaborated with cross-functional teams to deliver scalable backend features Burning Bros Inc Jul 2022 - Jan 2023

Backend / Data Engineer

• Built data pipelines for multi-source data collection and reporting

• Automated ETL workflows, improving efficiency and reducing manual processing

• Transformed raw data into structured datasets for business insights

• Optimized queries and data processing for large-scale workloads Projects

Selected Projects [View All Projects]

AI Customer Service Automation [Details]

AI-powered CS system using NLP, RAG, and SOP-based workflows with confidence-based escalation Profit & VAT Analytics System [Details]

Automated financial reporting system for multi-marketplace e-commerce data (Amazon, Bol.com). Education

2025 - present MSc (Computer Science) at Ho Chi Minh city University of Education

(GPA: 3.7/4.0)

2019 - 2023 Bachelor’s Degree at Ho Chi Minh city University of Education

(GPA: 3.64/4.0)

Publications

Phan Minh Tien, Nguyen Phuong Nam, Van The Thanh, Nguyen Thi Uyen Nhi (2024). “A Model for Image Retrieval Combining Statistical Methods and Knowledge Graphs”. [View Paper] Skills

Languages Python

Backend FastAPI, DRF, Node.js, System Design, Microservices Data Data & Retrieval Embeddings, Vector Search, PostgreSQL, MongoDB, ETL Pipelines Cloud AWS (Lambda, RDS, S3, EventBridge), Event-driven Architecture DevOps Docker, CI/CD, Nginx, System Deployment

Tools Git, GitHub, GitLab

Last updated: April 17, 2026

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