Skip to content
View krs1zzet's full-sized avatar
5 followers · 9 following

Achievements

Achievement: YOLOAchievement: Pull Sharkx2Achievement: Quickdraw

Achievements

Achievement: YOLOAchievement: Pull Sharkx2Achievement: Quickdraw

Block or report krs1zzet

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don't include any personal information such as legal names or email addresses. Markdown supported. This note will be visible to only you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
krs1zzet/README.md

Typing SVG

👋 Hi, I'm İzzettin Karasayar

🚀 Full-stack developer focused on automation, data visualization, and scalable SaaS products.
Currently building Taskline fully deployed Spring Boot + React apps running on a DigitalOcean cloud environment.

🧰 Tech Stack

🧩 Projects

🟩 ChartFlow

Excel → Gantt automation platform that visualizes data into interactive timelines.

  • Spring Boot backend with JWT authentication and Excel ingestion
  • React + Vite frontend with Gantt visualization (Google Charts, @rsagiev/gantt-task-react-19)
  • PostgreSQL + Docker Compose + Caddy for production deployment

🟦 MailSender

Automated email sender with personalized templates and Excel import.

  • Manage senders, receivers, and templates via React dashboard
  • Spring Boot API handles bulk sending with validation
  • Supports per-user mail configs and SendGrid integration

📊 GitHub Stats

🧭 About Me

  • 🎓 CS student @ YTU
  • 🧠 Passionate about backend architecture, DevOps, and automation systems
  • ☁️ Deploying multi-app infrastructure on a single cloud server using Docker + Caddy
  • 🎯 Currently exploring microservices, BFF patterns, and event-driven design

🌐 Connect with Me

⭐️ Built with passion and caffeine — © 2025 İzzettin Karasayar

Pinned Loading

  1. LeetCode-Solutions LeetCode-Solutions Public

    My daily LeetCode problem-solving archive

    Java

  2. Taskline-Backend Taskline-Backend Public

    Java

  3. Taskline-Frontend Taskline-Frontend Public

    TypeScript

  4. ChartFlow-Backend ChartFlow-Backend Public

    Production-grade Spring Boot API powering Excel-to-Gantt automation. Secure JWT auth, Excel ingestion, PostgreSQL persistence.

    Java

  5. ChartFlow-Frontend ChartFlow-Frontend Public

    Modern React + Vite dashboard for project visualization. Real-time Gantt rendering and task mapping UI.

    JavaScript