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Just Start Building Matters More Than Ever. – Hart Rossman
Bartosz Jelen

Hi! I’m Bartosz

I am a Cloud Security Engineer and AI Enthusiast. I create practical, hands-on AI projects to enhance cloud security.

I looked for real-world AI projects designed for security engineers—fun, deployable, and engaging—but came up empty. So, I started creating my own.

Explore step-by-step tutorials you can follow, fork, or adapt to your stack. Have ideas, tweaks, or want to collab? Reach out to me 🤝

Let’s create together!

Cloud Security | Automation | AI

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The Journal

Build Your First AI Agent: From Static AI to Autonomous Systems

Build Your First AI Agent: From Static AI to Autonomous Systems

Create autonomous AI agents using CrewAI. Simple guide with multi-agent systems and API integrations.

How to Talk to AI: Human–Computer Communication in the LLM Era

How to Talk to AI: Human–Computer Communication in the LLM Era

A practical field guide to prompting: leverage structure, context, and examples to turn AI conversations into consistent, high-quality results.

Understanding RAG: Build a Security Assistant with Cloud Run, Firestore, and Vertex AI

Understanding RAG: Build a Security Assistant with Cloud Run, Firestore, and Vertex AI

Discover how to use embeddings and Retrieval-Augmented Generation (RAG) to create a robust threat intelligence system with Google Cloud, Firestore, and Vertex AI. Enhance your security with custom, context-aware responses

Reduce MTTD/MTTR with Amazon Bedrock - From Telemetry to Action

Reduce MTTD/MTTR with Amazon Bedrock - From Telemetry to Action

Transform observability data into actionable defense by combining AWS WAF, Amazon CloudWatch, and Amazon Bedrock Agents for anomaly detection, diagnosis, and automated mitigation.