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20 followers · 11 following

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Achievements

Achievement: Pair Extraordinairex4Achievement: Pull Sharkx4Achievement: QuickdrawAchievement: StarstruckAchievement: YOLO

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jaylann/README.md

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GitHub LinkedIn Ko-Fi Website

👨‍💻 About Me

I'm Justin, a 21-year-old Computer Science student and Tutor at the Technical University of Munich (TUM). I love building dependable systems end-to-end, from SwiftUI frontends and TypeScript dashboards to Python/FastAPI services, Dockerized backends, and AWS serverless pipelines. I also care a lot about operating systems, networks, LLMs, and clean, accessible UI.

  • 🔭 Currently working on: RadioAtlas (iOS), automation & internal tools as a Working Student at Westend61 (SysAdmin + Software Dev), a stealth startup, and my portfolio.
  • 🌱 Currently learning: iOS 26 / SwiftUI, distributed systems & OS internals, AWS serverless and Machine Learning.
  • 👯 Looking to collaborate on: LLM-powered apps, SwiftUI Apps, Next.js + edge/serverless projects.
  • 💬 Ask me about: Python/FastAPI, Next.js/TypeScript, Docker & networking, prompting/LLM stacks.
  • 🎓 Teaching: Tutor for Operating Systems & System Software (Oct 2025 – Mar 2026). Previously Fundamentals of Programming (Oct 2024 – Mar 2025).
  • 🏅 Highlights: CHECK24 GenDev stipend • Top 8% at TUM • 2nd place — TUM.ai × Public Makers Hackathon.
  • 📫 How to reach me: Email Me

🛠️ Tech Skills

Python Java Groovy Language Models Docker Networking React Machine Learning Cloud Computing

💼 Other Skills

  • Teaching & Mentoring: Weekly tutorials, exam prep, and a 100+ member peer study community at TUM.
  • Presentation: Story-driven talks and demos; comfort speaking to groups of 30+.
  • Communication: Explain complex tech to mixed audiences with clarity and empathy.
  • Entrepreneurship: Launched my first business at 18; rapid prototyping & user-feedback mindset.
  • Systems Thinking: From OS/networking to APIs and UIs, design for coherence and reliability.

📝 Latest Blog Posts

📖 Read more on my blog

📊 GitHub Stats

GitHub Streak

GitHub Stats

Top Languages

📈 Contribution Graph

Justin's github activity graph

📫 Contact Me

Made with ❤️ by Justin Lanfermann

Imprint

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  1. NexusAutoDL NexusAutoDL Public

    A tool for automatically downloading mods from Nexusmods with support for different Mod Managers such as Vortex, Portmod and Wabbajack.

    Python 73 9

  2. StudySetCreator StudySetCreator Public

    StudySet Creator is a Python CLI tool that transforms PDFs into flashcards using OpenAI. It extracts text and images, generates Q&A pairs, and exports them as CSV files with support for batch proce…

    Python 2 1

  3. WAC2J WAC2J Public

    WhatsApp Chat to JSONL Converter is a command-line tool that transforms WhatsApp chat exports into JSON Lines (JSONL) format. It facilitates the fine-tuning of OpenAI GPT models and other conversat…

    Python 4

  4. LinkedInfluencer LinkedInfluencer Public

    Boost your LinkedIn presence effortlessly with LinkedInfluencer! This Python application automates the creation and posting of engaging content using RSS feeds, OpenAI's GPT, and AWS services. Keep…

    Python 5

  5. LogStyles LogStyles Public

    LogStyles is a powerful PyPI module that provides customizable themes and formats for Python loggers like Loguru. Enhance your logging experience popular color schemes, multiple layout styles (e.g.…

    Python 1

  6. GenDev7 GenDev7 Public

    Real-time internet provider comparison tool (GenDev Stipend by CHECK24) using FastAPI + Next.js. Streams offers via WebSockets, auto-recovers from API failures, and supports advanced sorting/filter…

    Python 1