💻 I’m a Backend Developer based in Germany, with a strong passion for building scalable web applications and growing into a Fullstack Engineer.
🛠️ Actively building projects, improving my skills.

• Languages: JavaScript, TypeScript, SQL
• Backend: Node.js, Express.js, REST APIs, JWT, Joi, Jest
• Databases: MongoDB (Mongoose), PostgreSQL
• Frontend: HTML, CSS, basic React
• Tools: Git, Docker, Swagger, VS Code, Postman

• Ukrainian (native)
• Russian (native)
• English (advanced C1)
• German (near native)
• Spanish (intermediate B1)

🗂️ Smart Task Automator

A rule-based automation platform built with Node.js, Express, and MongoDB.
⚡ Features dynamic triggers (time, event, webhook), background worker execution, and integrations with Telegram Bot API and HTTP requests.
🧠 Includes modular architecture, JWT authentication, Swagger documentation, and a modern front-end UI for creating, managing, and monitoring automation rules in real time.
🔗 Live Demo: smart-task-automator.onrender.com
📘 Swagger Docs: smart-task-automator.onrender.com/api-docs

🗂️ Sherlock’s Blog API

A secure and scalable blogging API built with Node.js, Express, and MongoDB.
🧩 Features authentication (JWT), password recovery via SendGrid, Swagger docs, and RESTful CRUD for posts.
✅ Includes token-based access control, input validation, and modular architecture.
🔗 Live Demo: detective-blog.onrender.com
📘 Swagger Docs: detective-blog.onrender.com/api-docs

🗂️ Task Manager App

A full-featured task management system with user authentication and private routes.
🧩 Node.js + Express + MongoDB + JWT + Joi + Swagger + React
✅ Includes frontend + backend, validation, full CRUD, centralized error handling.
🔗 Live Demo: taskmanagerapi-1-jmb2.onrender.com
📘 Swagger Docs: taskmanagerapi-1-jmb2.onrender.com/api-docs

🗂️ Portfolio Website

A modern and responsive personal portfolio showcasing my work as a Back-End Developer.
🧩 HTML · CSS · JavaScript · GitHub Pages
✅ Clean UI, smooth animations, projects overview, and downloadable CV. 🔗 Live Demo: Portfolio Website

🗂️ auto-service Business-Website

Modern, responsive website built for a local car service business in Ehra. 🧩 Next.js · React · Tailwind CSS ✅ Fully responsive (mobile-first), Call-to-action buttons (Call & WhatsApp), Modern and clean design, SEO basics implemented, Optimized for free hosting (e.g. Vercel) 🔗 Live Demo: auto-service Business Website

(More projects coming soon...)

• GitHub: github.com/AndriyAtWork25
• LinkedIn: https://www.linkedin.com/in/andriy-tsar/
• Email: andriy.tsar8@gmail.com

• 🔹 Build 5+ production-level projects
• 🔹 Transition toward Fullstack Development
• 🔹 Improve my skills

Thanks for visiting my profile! 🙏