Le Ba Thien

thienlb (lee)

Data Engineer | AI & Data Systems | Product Engineer

About Me

  • 📍 Based in Da Nang, Vietnam
  • 💼 Working in Software Engineering
  • 🔭 Building data platforms, AI-powered products, and scalable data pipelines
  • 🤖 Interested in LLMs, Agentic AI, and AI-driven Development
  • 📊 Turning raw data into actionable business insights
  • 👥 Experienced in team management & mentoring engineers

Work Experience & Projects

Product Engineer @ AI Hearing (03/2026 – Present)

  • AI product engineering: LLM applications, chatbots, MCP integrations, adaptive workflows
  • Backend engineering: cloud-native services, asynchronous job processing
  • Infrastructure: cloud modernization, infrastructure as code
  • Platform migration: compute, hosting, and database layers
  • Architecture and practices: Clean/Onion Architecture, DDD, CI/CD, IAM/RBAC, observability
  • AI-driven development: spec-driven workflows with agentic coding tools

AI Engineer @ Hire-Central (03/2024 – Present)

  • Hire Central – AI Product: CV extraction with LLMs, candidate scoring, semantic search with vector embeddings, AI chatbot, recruitment dashboards

Data Engineer / Fullstack Engineer @ EST-Rouge (03/2021 – Present)

  • ISC Design Platform: Data lakehouse on AWS S3, Airflow pipelines, API services, AI-based summarization for operational insights

Data Engineer @ TMA Solution (Offshore)

  • Working as offshore team, collaborating with DE team in the US
  • TDP – Data Platform: Big data platform with Spark, Kafka streaming, Delta Lake, Debezium CDC
  • Healthy Analytic Platform: ETL on Databricks (Scala), Terraform IaC, CI/CD pipelines, SonarQube integration

Tech Stack

Languages

Python Java Scala JavaScript TypeScript SQL HTML5 CSS3

Frameworks & Database

Spring Boot Angular NestJS Express.js FastAPI Node.js Bootstrap Selenium Hono PostgreSQL MySQL pgvector Neon

AI / ML

OpenAI API OpenAI Agents LangChain Model Context Protocol Vector Embeddings

AI Coding Tools

Claude Code Cursor Codex

Big Data & Streaming

Apache Spark Kafka Airflow Hadoop Hive Delta Lake Debezium Databricks

BI & Analytics

Power BI Tableau Looker Studio

DevOps & Tools

Docker Kubernetes Terraform Pulumi Git SonarQube Trigger.dev Vercel

Google Cloud

Google Cloud Cloud Run Cloud Tasks Cloud SQL Cloud Logging

AWS

AWS S3 SQS Lambda Redshift QuickSight

Azure

Azure Data Factory Data Lake Storage Azure DevOps

Education

  • 🎓 University of Economics - The University of Danang — Bachelor’s degree, Business/Commerce
  • 🎓 CodeGym — Fullstack Engineering Bootcamp

Certifications

  • 🏅 Google Advanced Data Analytics Certificate (2025)
  • 🏅 AWS Certified Cloud Practitioner (2024)
  • 🏅 Databricks Generative AI Fundamentals (2024)
  • 🏅 Databricks Fundamentals (2024)
  • 🏅 Microsoft Certified: Azure Data Fundamentals (DP-900) (2022)
  • 🏅 TOEIC 620 – IIG Vietnam (2020)

"Always learning, always growing."