Extracting Design Principles from Production n8n Workflows for my Bachelor thesis

I’m writing my Bachelor thesis on Design Principles for GDPR-compliant n8n workflows
in German SMEs. Focus: practical, measurable ROI.

My approach (Design Science Research):

  1. Analyze 2 real production workflows I built → extract Design Decisions
  2. Generalize to Design Principles (informed by science papers + practice)
  3. Validate on new workflow I will build + community feedback
    → Goal: principles grounded in practice, science, AND community.

MY 2 PRODUCTION WORKFLOWS:

Workflow 1 - B2B Contact Validation
Validates business contacts via web scraping, enriches outdated data.
Live in production at 1 company. ROI: €4,200 saved.

Workflow 2 - RAG Chatbot (2 use cases)

  • Internal tool: Answers technical questions from a 500+ page software documentation (Teams)
  • Risk Management tool: Chatbot connected to risk management database. Searches
    historical product risks before contracts (PDF datasheets or chat input).
    Includes multi-query, input decomposition + iterative refinement
    (webhook-deployed).

Workflow 1 is in production. Workflow 2 is in PoC phase, actively testing.


BEFORE I EXTRACT PRINCIPLES:

I want to learn from you first. Your real-world experience will shape my principles.


QUESTIONS:

  1. Biggest lesson from your production n8n workflows?
  2. Design decision that paid off most? (Scalability, maintainability, security, cost, reliability, documentation, etc.)
  3. How do you ensure GDPR in production n8n? (Only relevant if you’ve dealt with compliance)
  4. What design principles would you recommend for similar projects?

Your feedback directly informs my thesis. Thanks! :folded_hands: