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Achievement: Galaxy BrainAchievement: StarstruckAchievement: Pair ExtraordinaireAchievement: YOLOAchievement: QuickdrawAchievement: Pull Sharkx2Achievement: Arctic Code Vault Contributor

Achievements

Achievement: Galaxy BrainAchievement: StarstruckAchievement: Pair ExtraordinaireAchievement: YOLOAchievement: QuickdrawAchievement: Pull Sharkx2Achievement: Arctic Code Vault Contributor

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@zero-to-mastery

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stefisha/README.md

Stefan Veličković · Software Engineering and AI

Hi, I’m Stefan 👋

Senior Software Engineer | Agentic AI, Secure Tool Use & Fintech

I build AI systems that connect with real tools, APIs and business workflows. My work combines applied machine learning, backend engineering and reliable automation for financial services.

I hold an MSc from the University of Belgrade, School of Electrical Engineering.

🚀 Work & ventures

  • 🏢 Sokin: Senior Software Engineer working on MCP integrations and an AI assistant for financial services, with end-to-end responsibility spanning architecture, backend development and infrastructure decisions, in collaboration with frontend engineers and CloudOps.
  • 🌱 Joint Venture: Co-founder contributing to technical decisions, including platform architecture, infrastructure and onchain integrations, alongside my main role.
  • 🛠️ Previously, GitWork: Responsible for architecture, full-stack development, deployment and maintenance of a GitHub bounty platform powered by Solana, with 5+ projects onboarded and $1K+ paid out in its first three weeks. The project is now retired.

🌐 Find me online:

Website LinkedIn X Instagram Stack Overflow

📞 Let’s connect

Happy to connect about AI engineering, fintech, or building useful software.

📅 Book a 30-minute chat · ✉️ Email me

💻 Tech stack

Languages & applications

Python JavaScript TypeScript React FastAPI

AI, agents & data

Pydantic FastMCP LangChain TensorFlow PyTorch scikit-learn pandas

Cloud & delivery

AWS Azure Google Cloud Docker Kubernetes

More tools I work with: Flask, NumPy, Matplotlib, Terraform, SQL and MongoDB.

📊 GitHub Stats:

GitHub stats Top languages by code size

Profile views

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  1. Mantis Mantis Public

    Maintenance co-pilot for equipment manuals, alarm photos, and follow-up questions in one chat with page-level sources. FastAPI + SQLite.

    Jupyter Notebook

  2. Cat-Vision Cat-Vision Public

    Cat breed classification with MobileNetV2: reproducible data splits, training, evaluation, and inference.

    Jupyter Notebook

  3. DetectingNFTs-MasterThesis DetectingNFTs-MasterThesis Public

    Master’s thesis research on detecting fake and malicious NFTs using machine learning across images, descriptions and project URLs.

    Jupyter Notebook

  4. GitWork GitWork Public

    GitHub bounty platform powered by Solana, with project onboarding, bounty creation and contributor payouts. Retired.

    JavaScript 1 1

  5. JumpingSpyder JumpingSpyder Public

    Social-content monitoring and classification for X and YouTube, with source-linked review and Telegram alerts.

    Python 1

  6. CYOA_App CYOA_App Public

    Interactive storytelling with Flask, structured OpenAI responses and optional illustrations. Includes a playable offline demo, safe rendering and automated tests.

    Python