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dmtr-karan/README.md

👋 Hi, I'm Dimitrios Karanikolopoulos

Experimental physicist & scientific software developer
Focused on optical instrumentation, wavefront shaping, and control systems.

🛠 Recent Work

AI Interview Simulator

📌 Streamlit-based interactive interview practice tool

  • Guided setup (candidate profile + target role & company)
  • Live chat interview using OpenAI (streaming)
  • Stop control: button and ESC key with safe early-stop handling
  • Post-interview feedback: concise rubric with score + bullet insights
  • Deployed: Live App
  • Built during the AI Engineer Bootcamp 2025 (Python · Streamlit · OpenAI API)

slm-phase-retrieval

📌 USB-controlled phase & amplitude retrieval for LCOS-SLM calibration

  • Python interface for Hamamatsu X15213 + ORCA Flash v3 + Thorlabs SC10
  • Interferometric patch measurement · Correction mask application · Experimental validation

⚙️ Skills & Tools

  • Python · NumPy · SciPy · Matplotlib · PIL
  • Hardware SDK Integration (Hamamatsu, Thorlabs via USB)
  • cffi · PyVISA · Threading · OpenCV
  • PyQt (GUI design + device control)
  • Git · Visual Studio · PyCharm · Jupyter

🔬 Projects in Progress

  • slm-cam-gui-control
    Real-time SLM and camera GUI built with PyQt and threaded device acquisition.
    Ongoing cleanup of a lab acquisition tool; to be published.

📜 Certificates & Training

AI Engineer Bootcamp 2025 – Udemy

End-to-end AI engineering stack:

  • Python programming, NLP in Python
  • LLMs & Transformers (GPT, HuggingFace, BERT, XLNet)
  • LangChain for app orchestration
  • Vector Databases (Pinecone)
  • Speech Recognition with Python

🌍 About Me

📍 Based in Europe · Open to international opportunities
📫 Email: dmtr.karan@gmail.com
🔗 LinkedIn
🔗 ORCID

Looking for opportunities to apply physics + Python in real-world research and tech environments.

Pinned Loading

  1. dnd-srd-mongo dnd-srd-mongo Public

    Production-style MongoDB pipeline for D&D 5e SRD class data — automated JSON Schema validation, ingest, and CI/CD workflows.

    Python

  2. streamlit-interview-simulator streamlit-interview-simulator Public

    Streamlit app that simulates a job interview using OpenAI, with Stop control, early-stop rules, and structured feedback.

    Python

  3. slm-phase-retrieval slm-phase-retrieval Public

    Phase & amplitude retrieval for LCOS Spatial Light Modulators using Python. Full device integration, fringe fitting, and phase correction pipeline.

    Python 1