John Vester

@johnjvester

technologist | writer | musician | volunteer

Joined July 2022

About

Information Technology professional with 30+ years expertise in application design and architecture, feature development, project management, system administration and team supervision. Currently focusing on enterprise architecture/application design utilizing object-oriented programming languages and frameworks.

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John Vester's blogs

John Vesterjohnjvester.hashnode.dev73 posts

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Recently published

JVJohn Vesterjohnjvester.hashnode.devFeb 4 · 8 min read

The Future of Agentic AI

The era of passive AI chatbots is ending. We are now entering the age of Agentic AI: systems that actively reason, plan, and execute tasks. For organizations, this represents a potential leap in productivity, but it also introduces new engineering c...

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JVJohn Vesterjohnjvester.hashnode.devDec 18, 2025 · 8 min read

Effectively Managing AI Agents for Testing

Large language models and AI agents have already transformed many fields and are changing our lives in fundamental ways. In the testing domain, AI agents have a clear path for making immediate improvements in process and quality, and ultimately for p...

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JVJohn Vesterjohnjvester.hashnode.devDec 10, 2025 · 6 min read

Demystifying Agentic Test Automation for QA Teams

Agentic test automation is a fundamental shift in how we test. Instead of depending on static, hand-written scripts that must be continually updated, agentic systems analyze apps, plan testing strategies, execute tests, and adapt to changing code—lar...

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JVJohn Vesterjohnjvester.hashnode.devNov 21, 2025 · 7 min read

Why the MITRE ATT&CK Framework Actually Works

The alert goes off at 2:17 p.m. You count yourself lucky that this one’s in the afternoon, not morning. You drop what you’re doing, open the console, and start digging in. Oh, a significant spike in outbound traffic from a Kubernetes node. A privileg...

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JVJohn Vesterjohnjvester.hashnode.devOct 7, 2025 · 11 min read

Why Enterprise AI Needs Agentic Messaging Platforms

Enterprise AI initiatives often follow a predictable pattern. They launch with ambitious goals: "We need AI agents that can automate workflows, integrate with our systems, and execute complex business logic." The demonstrations are compelling. The po...

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John Vester

About

Available for

John Vester's blogs

Recently published

The Future of Agentic AI

Effectively Managing AI Agents for Testing

Demystifying Agentic Test Automation for QA Teams

Why the MITRE ATT&CK Framework Actually Works

Why Enterprise AI Needs Agentic Messaging Platforms

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John Vester

About

Available for

John Vester's blogs

Recently published

The Future of Agentic AI

Effectively Managing AI Agents for Testing

Demystifying Agentic Test Automation for QA Teams

Why the MITRE ATT&CK Framework Actually Works

Why Enterprise AI Needs Agentic Messaging Platforms