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John Vester

Information Technology professional with 25+ years expertise in enterprise architecture/application design, application development, project management, system administration and team supervision.

Location United States Joined Joined on  Personal website https://johnjvester.gitlab.io/dZoneStatistics/WebContent/#/stats?id=1224939 github website

Work

Sr Staff Software Engineer @ Marqeta

The Future of Agentic AI
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The Future of Agentic AI

#ai #mcp #architecture #agentaichallenge
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8 min read
Effectively Managing AI Agents for Testing
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Effectively Managing AI Agents for Testing

#ai #agentaichallenge #programming #testing
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7 min read
Demystifying Agentic Test Automation for QA Teams
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Demystifying Agentic Test Automation for QA Teams

#ai #llm #testing #programming
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5 min read
Why the MITRE ATT&CK Framework Actually Works
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Why the MITRE ATT&CK Framework Actually Works

#security #ai #architecture #cloud
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6 min read
Why Enterprise AI Needs Agentic Messaging Platforms
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Why Enterprise AI Needs Agentic Messaging Platforms

#ai #architecture #automation
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10 min read
Beyond Code: How to Use AI to Modernize Software Architecture
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Beyond Code: How to Use AI to Modernize Software Architecture

#ai #architecture #tutorial #learning
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8 min read
Bring Your Own Feed (BYOF): An Engineer's Guide to Effective Threat Intelligence
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Bring Your Own Feed (BYOF): An Engineer's Guide to Effective Threat Intelligence

#threatintelligence #sumologic #tutorial #webdev
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7 min read
One Checkbox to Cloud: Migrating from Tosca DEX Agents to E2G
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One Checkbox to Cloud: Migrating from Tosca DEX Agents to E2G

#webdev #tutorial #testing #tricentis
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5 min read
How to Banish Anxiety, Lower MTTR, and Stay on Budget During Incident Response
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How to Banish Anxiety, Lower MTTR, and Stay on Budget During Incident Response

#tutorial #incident #analytics #webdev
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6 min read
Exploring Cloud-Based Testing with the Elastic Execution Grid
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Exploring Cloud-Based Testing with the Elastic Execution Grid

#testing #cloud #tricentis #tutorial
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6 min read
The Missing Infrastructure Layer: Why AI's Next Evolution Requires Distributed Systems Thinking
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The Missing Infrastructure Layer: Why AI's Next Evolution Requires Distributed Systems Thinking

#kubemq #ai #tutorial #learning
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5 min read
How To Introduce a New API Quickly Using Micronaut
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How To Introduce a New API Quickly Using Micronaut

#restapi #cursor #micronaut #programming
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10 min read
How To Introduce a New API Quickly Using Quarkus and ChatGPT
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How To Introduce a New API Quickly Using Quarkus and ChatGPT

#programming #webdev #chatgpt #api
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11 min read
Solid Testing Strategies for Salesforce Releases
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Solid Testing Strategies for Salesforce Releases

#salesforce #tutorial #testing #tricentis
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8 min read
How To Introduce a New API Quickly Using Spring Boot and Maven
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How To Introduce a New API Quickly Using Spring Boot and Maven

#java #cloud #heroku #webdev
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8 min read
How To Introduce a New API Quickly Using Spring Boot and Gradle
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How To Introduce a New API Quickly Using Spring Boot and Gradle

#cloud #heroku #gradle #java
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10 min read
Simplifying Multi-LLM Integration with KubeMQ: The Path to Scalable AI Solutions
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Simplifying Multi-LLM Integration with KubeMQ: The Path to Scalable AI Solutions

#python #llm #kubemq #programming
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6 min read
Working with Vision AI to Test Cloud Applications
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Working with Vision AI to Test Cloud Applications

#testing #qrcodes #tricentis #vision
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5 min read
How to Test QR Codes in Your Applications
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How to Test QR Codes in Your Applications

#testing #qrcodes #tricentis #tosca
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5 min read
When (Tech Service) Relationships Don’t Work Out
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When (Tech Service) Relationships Don’t Work Out

#cloudcomputing #heroku #aws #abdication
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5 min read
5 Signs You’ve Built a Secretly Bad Architecture (And How to Fix It)
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5 Signs You’ve Built a Secretly Bad Architecture (And How to Fix It)

#architecture #governance #webdev #tutorial
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9 min read
The Power of Market Disruption: How to Detect Fraud With Graph Data
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The Power of Market Disruption: How to Detect Fraud With Graph Data

#tutorial #fraud #learning #productivity
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8 min read
Why Haven’t You Upgraded to HTTP/2?
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Why Haven’t You Upgraded to HTTP/2?

#http #heroku #java #webdev
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5 min read
Leveling Up My GraphQL Skills: Real Time Subscriptions
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Leveling Up My GraphQL Skills: Real Time Subscriptions

#graphql #heroku #pubsub #tutorial
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8 min read
Mastering Multi-Cloud and Edge Data Synchronization: A Retail Use Case with KubeMQ’s Java SDK
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Mastering Multi-Cloud and Edge Data Synchronization: A Retail Use Case with KubeMQ’s Java SDK

#java #cloud #kubemq #tutorial
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5 min read
Buh-Bye Webpack and Node.js, Hello Rails and Import Maps
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Buh-Bye Webpack and Node.js, Hello Rails and Import Maps

#ruby #rails #heroku #programming
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6 min read
From Observability to Architectural Observability—Shifting Left for Resiliency
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From Observability to Architectural Observability—Shifting Left for Resiliency

#architecture #shiftleft #observability #webdev
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6 min read
Why You Need to Shift-left with Mobile Testing
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Why You Need to Shift-left with Mobile Testing

#mobile #testing #shiftleft #tricentis
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6 min read
When You Need More Power Than a Lambda Provides
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When You Need More Power Than a Lambda Provides

#cloud #serverless #heroku #webdev
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5 min read
Managing Architectural Tech Debt
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Managing Architectural Tech Debt

#architecture #webdev #techdebt #shiftleft
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6 min read
Less Time Learning, More Time Building
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Less Time Learning, More Time Building

#heroku #webdev #security #cloud
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5 min read
When It’s Time to Give REST a Rest
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When It’s Time to Give REST a Rest

#graphql #heroku #restapi #webdev
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8 min read
FastAPI Got Me an OpenAPI Spec Really... Fast
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FastAPI Got Me an OpenAPI Spec Really... Fast

#python #fastapi #heroku #openapi
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8 min read
DevSecOps: It’s Time To Pay For Your Demand – Not Ingestion
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DevSecOps: It’s Time To Pay For Your Demand – Not Ingestion

#observability #devops #devsecops #productivity
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5 min read
Using pgvector To Locate Similarities In Enterprise Data
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Using pgvector To Locate Similarities In Enterprise Data

#java #heroku #similaritysearch #vectordatabase
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11 min read
Build a Flow Collectibles Portal Using Cadence (Part 2)
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Build a Flow Collectibles Portal Using Cadence (Part 2)

#webdev #react #web3 #tutorial
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9 min read
Build a Digital Collectibles Portal Using Flow and Cadence (Part 1)
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Build a Digital Collectibles Portal Using Flow and Cadence (Part 1)

#webdev #web3 #blockchain #flow
BERJAYA 2
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14 min read
Exploring the Horizon of Microservices with KubeMQ's New Control Center
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Exploring the Horizon of Microservices with KubeMQ's New Control Center

#java #microservices #kubemq #webdev
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4 min read
Using Unblocked to Fix a Service That Nobody Owns
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Using Unblocked to Fix a Service That Nobody Owns

#webdev #ai #beginners #programming
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5 min read
How to Crush API Dev Work when You're 100% Remote with Postman
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How to Crush API Dev Work when You're 100% Remote with Postman

#webdev #programming #tutorial #productivity
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7 min read
Optimize Your Web3 DevOps with User Feedback Forms
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Optimize Your Web3 DevOps with User Feedback Forms

#webdev #devops #web3 #programming
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6 min read
Bridging the Gap: Better Token Standards for Cross-chain Assets
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Bridging the Gap: Better Token Standards for Cross-chain Assets

#web3 #webdev #tutorial #programming
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11 min read
Simplifying Blockchain Development by using Abstraction
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Simplifying Blockchain Development by using Abstraction

#web3 #webdev #blockchain #programming
BERJAYA 3
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6 min read
Build a Flow Collectibles Portal Using Cadence (Part 2)
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Build a Flow Collectibles Portal Using Cadence (Part 2)

#webdev #react #web3 #programming
BERJAYA 3
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10 min read
Build a Serverless App Fast with Zipper: Write TypeScript, Offload Everything Else
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Build a Serverless App Fast with Zipper: Write TypeScript, Offload Everything Else

#typescript #serverless #webdev #zipper
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9 min read
Build a Digital Collectibles Portal Using Flow and Cadence (Part 1)
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Build a Digital Collectibles Portal Using Flow and Cadence (Part 1)

#webdev #web3 #flow #cadence
BERJAYA 3
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13 min read
5 Web3 Trends We Saw in 2023
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5 Web3 Trends We Saw in 2023

#web3 #webdev #programming #flow
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6 min read
Improving Customer-Facing App Quality Using Tricentis Testim
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Improving Customer-Facing App Quality Using Tricentis Testim

#webdev #testing #tutorial
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7 min read
Building Better dapps with Infura’s Polygon WebSocket
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Building Better dapps with Infura’s Polygon WebSocket

#web3 #programming #tutorial #python
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6 min read
(Spring) Booting Java to Accept Digital Payments with USDC
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(Spring) Booting Java to Accept Digital Payments with USDC

#web3 #webdev #programming #java
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8 min read
An Overview of Kubernetes Security Projects at KubeCon Europe 2023
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An Overview of Kubernetes Security Projects at KubeCon Europe 2023

#kubernetes #security #kubecon #webdev
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7 min read
Write a Smart Contract with ChatGPT MetaMask Infura, and Truffle
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Write a Smart Contract with ChatGPT MetaMask Infura, and Truffle

#chatgpt #web3 #smartcontract #programming
BERJAYA 3
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11 min read
Smart Contract Audits with ConsenSys Diligence Fuzzing - Fuzzing as a Service
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Smart Contract Audits with ConsenSys Diligence Fuzzing - Fuzzing as a Service

#web3 #fuzzing #smartcontract #smartcontractaudit
BERJAYA 2
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7 min read
The power of zero-knowledge proofs - exploring the new ConsenSys zkEVM
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The power of zero-knowledge proofs - exploring the new ConsenSys zkEVM

#web3 #programming #consensys #zkevm
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5 min read
Top 10 Resources for Learning Solidity
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Top 10 Resources for Learning Solidity

#web3 #beginners #programming #solidity
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6 min read
Time For Me To Fly… To Render
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Time For Me To Fly… To Render

#discuss #gemini #cli #search
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8 min read
Better Performance and Security by Monitoring Logs, Metrics, and More
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Better Performance and Security by Monitoring Logs, Metrics, and More

#monitoring #security #tutorial #observability
BERJAYA 10
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10 min read
The Journey to Becoming a Rockstar Salesforce Developer
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The Journey to Becoming a Rockstar Salesforce Developer

#welcome
BERJAYA 4
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8 min read
The Everything Guide to Data Collection in DevSecOps
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The Everything Guide to Data Collection in DevSecOps

#discuss #learning #career
BERJAYA 1
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8 min read
Using Truffle L2 Boxes to Bridge Blockchain Networks
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Using Truffle L2 Boxes to Bridge Blockchain Networks

#web3 #tutorial #programming #javascript
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8 min read
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