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portfolio/content/projects.md

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Projects

AI Schedule Planner

Type: AI-powered workflow automation
Stack: n8n, DeepSeek (LLM), Google Calendar, Gmail

An AI agent that handles schedule planning through natural language. Managers describe what they need in plain text — the agent checks calendar availability, generates a plan, and drafts emails with proper formatting. Supports multilingual interaction.

Highlights:

  • Natural language input → structured schedule assignments
  • Calendar integration for conflict detection
  • Auto-generated email drafts ready to send
  • Multilingual support (German/English)

PDF Manager

Type: Document processing API
Stack: Node.js, Express, pdf-lib, Multer

A REST API service for PDF manipulation. Upload documents, split them by page ranges, and rename output files based on extracted metadata. Built for integration into larger document processing pipelines.

Highlights:

  • Split PDFs by page range or content markers
  • Automatic file naming from document metadata
  • Batch processing support
  • Dockerized for easy deployment

DocxTemplater Server

Type: Document generation API
Stack: Node.js, Express, docxtemplater, PizZip

A template-based Word document generation service. Upload a .docx template with placeholder variables, send data via API, get a finished document back. Used for contracts, letters, HR forms — anything with a repeating structure.

Highlights:

  • Variable substitution in Word templates
  • Supports tables, loops, and conditional sections
  • REST API — integrates with any system
  • Dockerized for easy deployment

Approval Workflow Engine

Type: Workflow automation
Stack: n8n, Gmail, ntfy

A scheduled workflow that handles recurring procurement with a human-in-the-loop approval step. Runs on a configurable schedule, sends an approval request to the relevant team, and on approval automatically emails the supplier. Confirmation sent via push notification.

Highlights:

  • Configurable scheduled triggers
  • Email-based approval workflow
  • Auto-generated supplier/vendor emails
  • Push notification confirmations