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Achievement: Arctic Code Vault Contributor

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Achievement: Arctic Code Vault Contributor

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npapatheodorou/README.md

Nick Papatheodorou - Backend Engineer

Scalable, secure, high-performance backend systems. ⚡🔒
🧠 JVM-first | 🛡️ Security-minded | 🚀 Performance-tuned

Snapshot ⚙️

I design and build JVM-first backend systems for modern web and mobile applications, with scalability, security, and performance as first-class requirements.

North Star: Reliability, security, and speed are treated as features, not afterthoughts. 🧭

Focus Areas 🔍

  • 🧠 JVM-first backend engineering in Java and Kotlin.
  • 🚦 Scalable system design, profiling, and performance tuning.
  • 🔐 Applied security research spanning blockchain and identity management.
  • 🎤 Publications and conference talks on cybersecurity.
  • 👨‍🏫 Former academic tutor in Java, C, and Python at Hellenic Mediterranean University.

Toolbox 🧰

Languages 💻

Java Kotlin Python JavaScript C

Frameworks 🧩

Spring Quarkus ZK

Databases 🗄️

Oracle PostgreSQL MySQL

Metrics 📊

Metrics

Focus Map 🗺️

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mindmap
  root((Backend))
    JVM
      Java
      Kotlin
      Spring
      Quarkus
    Performance
      Profiling
      Tuning
    Reliability
    Security
      Blockchain
      Identity
      Cybersecurity
    Data
      Oracle
      PostgreSQL
      MySQL
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Activity 🔥

Full-Year Activity

Connect 🤝

Email LinkedIn X

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    Python 7

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    A Python tool that helps you quickly re-subscribe to YouTube channels on a new account using your Google Takeout export. Built with Playwright, it saves your login session, logs successes and failu…

    Python 1

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  4. portfolio_tracker portfolio_tracker Public

    HTML