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ttqteo

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hi, i'm ttqteo

backend engineer at mozox — four years on distributed and real-time systems across security, identity and IoT. currently doing my MIT at UIT. i write about what i build and what i learn.

Now

  • — shipping an IAM platform: fine-grained RBAC/ABAC on Ory Keto, in Go
  • — leading the backend for a real-time chat product that scales sideways

Java · Go · TypeScript · Spring Boot · Kafka · Kubernetes · Postgres

what i've built →

Built

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  • 2025
    vnstock-js

    Open-source TypeScript package for Vietnam stock market data. Fetch historical prices, real-time boards, top movers, and commodity prices from VCI.

    TypeScript · Nodenpmjs.com/package/vnstock-js
  • 2025
    vnstock-js docs

    Documentation site for vnstock-js: API reference, guides, and runnable examples for every data source the package covers.

    Next.js · MDXvnstock-js-docs.vercel.app
  • 2025
    finance app

    Full-stack finance platform for tracking Vietnamese stocks, managing personal portfolios, and aggregating market news in real time.

    Next.js · Prisma · Postgresfinance.ttqteo.dev

Written

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  • 2026
    hello 2026
  • 2025
    hello world again
  • 2025
    Áp lực thời đại AI

ttqteo v2.2.4

— early optimization is the root of all evil.

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