Has there been experience in writing technical documentation, instructions, guides, runbooks?

Yes, I have experience in writing technical documentation and related materials. I have created:

• User and administration manuals for internal services.
• Technical specifications and architectural descriptions for new modules.
• Deployment and configuration instructions for applications.
• Runbooks for operational incident response, including step-by-step actions and checklists.

When writing, I strive to make the documentation as clear and structured as possible, using examples and diagrams to facilitate understanding and future support.