Vinh X. Nguyen

mindmap
  root((12 Flagship Projects))
    FPT Canada
      P1 Click-stream Web Analytics
        200B+ Omni-Channel Ingestion
        10M-Entity MDS
        Self-Serve Data Platform
        Omni-Channel Dashboard Rebuild
      P2 Revenue-Leakage Reporting
        Receivables Payables Reconciliation
        Leakage Detection Alerting
        Executive Reporting Audit Trail
      P3 MADA Multi-Agent Analytics
        Self-Serve LLM Reporting
        Always-On Data Quality
        Self-Learning Rules Memory
        Harness Engineering
    Tyme GOTyme Bank
      P1 Banking Business Products
        Personal Lending
        VAS
        GoalSave Kicker
        ID Payment
      P2 Infrastructure
        Cert Pinning 1M users
        Kiosk Network Optimization
        AWS Infra POC
      P3 Analytics
        500M Tx Reporting Pipeline
        Multi-Source Analytics Tooling
    NFQ Asia
      P1 SEO Keyword Analytics
        NLP at 30TB
        Serverless 50K req day
        Datadog Cost Audit
      P2 PoS Serverless API
        PoS Device API Layer
        Event-Driven Pipeline
        Auto-Scaling Cost Control
    NashTech Global
      P1 Banking Insurance KYC
      P2 Process and People
    FPT Software
      P1 DirecTV Multi-Vendor Delivery
      P2 Cebu Dev Center and Training
      

Career Timeline

From training engineers in Vietnam & the Philippines to leading AI data engineering in Canada.

timeline
    title 17+ Years in Engineering Leadership
    2009 : University Lecturer (DNTU / NLU)
    2014 : FPT Software - Training Manager / Solution Architect (PH and VN)
    2016 : NashTech Global - Principal Engineer / Architect
    2017 : NFQ Asia - Technical Architect (NLP at 30TB)
    2019 : Tyme / GOTyme Bank - Architect Community Lead (1M+ users)
    2021 : FPT Canada - Data Engineering Lead (200B+ events, LangGraph agents)
      

Skills Mind-Map

Six pillars across AI, data, cloud, and security.

mindmap
  root((Vinh X. Nguyen))
    AI Agentic LLM
      LangGraph / LangChain
      MCP
      RAG and Vector DBs
      Anomaly Detection
    Data Modeling
      OLTP / OLAP 200B+
      Star / SCD
      Data Vault 2.0
      Medallion
    Data Engineering
      Spark / Databricks
      Kafka / Kinesis
      Snowflake / Delta Lake
      Lambda / Sagemaker
    Cloud
      AWS Full-Stack
      Snowflake
      Databricks
      Terraform / CFN
    Analytics
      Tableau / PowerBI
      Datadog / Grafana
      NLP TF-IDF
    Security
      PKI / Cert Pinning
      Cryptography
      WAF / IAM
      Event-driven
      

Signature Architecture #1 — LangGraph Multi-Agent Anomaly Detection

FPT Canada — LLM agents auditing $1.5B in financial transactions.

flowchart LR
    Tx[(Transactions DW)] --> Orchestrator{LangGraph Orchestrator}
    Orchestrator --> Rules[Rules Agent]
    Orchestrator --> Stats[Statistical Agent]
    Orchestrator --> LLM[LLM Reasoning Agent]
    LLM --> RAG[(Policy RAG / Vector DB)]
    LLM --> MCP[MCP Tools to DBs]
    Rules --> Reviewer[Reviewer Agent]
    Stats --> Reviewer
    LLM --> Reviewer
    Reviewer --> Human[Human-in-the-Loop]
    Reviewer --> Cases[(Case Store)]
      

Signature Architecture #2 — 200B+ Event ETL Platform

FPT Canada — 99.97% enrichment quality across AWS, Snowflake, Databricks.

flowchart LR
    Sources[(Sources)] --> Stream[Kinesis / Kafka]
    Stream --> Bronze[S3 Bronze]
    Bronze --> Spark[Spark on EMR / Databricks]
    Spark --> Silver[S3 Silver / Delta]
    Silver --> Gold[S3 Gold / Delta]
    Gold --> SF[(Snowflake DW)]
    Gold --> Glue[Glue Catalog]
    SF --> BI[Tableau / PowerBI / QuickSight]
    Spark --> QA[Quality and Reconciliation]
    QA --> Alerts[CloudWatch / Datadog]
      

Signature Architecture #3 — Certificate Pinning for 1M+ Users

GOTyme Digital Bank — mitigating MitM at mobile-banking scale.

flowchart LR
    CA[Internal CA / PKI] --> Cert[Server Cert + Backup Pin]
    Cert --> SDK[Mobile SDK]
    SDK --> App[Banking App 1M+ users]
    App --> API[(Banking APIs)]
    Rotation[Rotation Pipeline] --> Cert
    App --> Telem[Telemetry / Crash Analytics]
    Telem --> Flags[Feature Flags / Staged Rollout]
      

Signature Architecture #4 — PoS Serverless API Integration

NFQ Asia — in-store PoS hardware integrated with auto-scaling AWS backend.

flowchart LR
    PoS[PoS Devices] --> APIGW[API Gateway]
    APIGW --> Lambda[AWS Lambda Edge API]
    Lambda --> SQS[SQS Queue]
    SQS --> Worker[Lambda Worker]
    Worker --> DDB[(DynamoDB)]
    Worker --> EB[EventBridge]
    EB --> DWH[(Warehouse / Analytics)]
    Lambda --> CW[CloudWatch / Alarms]