Lukas Niessen – Medium

Lukas Niessen

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Idempotency in System Design: Full example

Idempotence in System Design: Full example

Jul 20, 2025

Idempotency in System Design: Full example

Jul 20, 2025

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This is a detailed breakdown of a FinTech project from my consulting career.

Project Description

Jun 30, 2025

This is a detailed breakdown of a FinTech project from my consulting career.

Jun 30, 2025

Resiliency in System Design: What It Actually Means

Resiliency is one of those words that gets thrown around a lot in system design discussions. Teams say they want “resilient systems.” Job…

1h ago

Resiliency in System Design: What It Actually Means

1h ago

Prompt Injection: The SQL Injection of AI + How to Defend

OWASP released their Top 10 for Large Language Model Applications. The number one security risk? Prompt injection. If you’ve been in…

1d ago

Prompt Injection: The SQL Injection of AI + How to Defend

1d ago

ClawdBot: Setup Guide + How to NOT Get Hacked

ClawdBot is an open-source AI assistant that runs on your own server and connects to messaging apps like Telegram, WhatsApp, or Discord…

1d ago

ClawdBot: Setup Guide + How to NOT Get Hacked

1d ago

Failing Fast: Why Quick Failures Beat Slow Deaths

Failing Fast: Why Quick Failures Beat Slow Deaths

3d ago

Failing Fast: Why Quick Failures Beat Slow Deaths

3d ago

Claude Code in Production: From Basics to Building Real Systems

The Foundation: Think Before You Type

3d ago

Claude Code in Production: From Basics to Building Real Systems

3d ago

How to Make Architecture Decisions: RFCs, ADRs, and Getting Everyone Aligned

Making architecture decisions is one of those things that can go really well or really badly. I’ve been in both situations. I’ve seen…

Jan 15

How to Make Architecture Decisions: RFCs, ADRs, and Getting Everyone Aligned

Jan 15

Patching: The Boring Security Practice That Could Save You $700 Million

Patching is one of those things that everyone knows is important but nobody gets excited about. It’s not flashy. It doesn’t make for great…

Jan 1

Patching: The Boring Security Practice That Could Save You $700 Million

Jan 1

The 8 Fallacies of Distributed Computing: All You Need To Know + Why It’s Still Relevant In 2026

Back in 1994, Peter Deutsch at Sun Microsystems wrote down something that every distributed systems engineer eventually learns the hard…

Jan 1

The 8 Fallacies of Distributed Computing: All You Need To Know + Why It’s Still Relevant In 2026

Jan 1

Lukas Niessen

Lukas Niessen

Software Architect @ ista | AI/ML Engineer & Architect | Ex-Founder | 8+ years of experience | http://lukasniessen.com/

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