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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

Lead Software Engineer @ Marqeta

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
2
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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
6
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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
3
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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
6
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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
2
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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
1
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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
1
Comments 1
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
6
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5 min read
Managing Architectural Tech Debt
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Managing Architectural Tech Debt

#architecture #webdev #techdebt #shiftleft
5
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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
6
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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
6
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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
1
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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
1
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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
9
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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
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
4
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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
5
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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
8
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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
2
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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
3
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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
4
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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
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
13
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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
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
7
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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
2
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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
2
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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
1
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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
5
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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
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
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
3
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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
11
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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

#webdev #tutorial #programming #cloud
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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
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

#programming #salesforce #webdev #beginners
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

#devops #security #webdev #devsecops
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
3
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8 min read
Flow & Cadence Best Practices, Patterns, and Anti-Patterns
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Flow & Cadence Best Practices, Patterns, and Anti-Patterns

#productivity #learning
6
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9 min read
How To Build An NFT Minting Dapp On Flow
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How To Build An NFT Minting Dapp On Flow

#discuss #javascript
4
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16 min read
Let’s Build an End-to-End NFT Project Using Truffle Suite
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Let’s Build an End-to-End NFT Project Using Truffle Suite

#gratitude
8
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10 min read
How I Used Render to Scale My Microservices App With Ease
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How I Used Render to Scale My Microservices App With Ease

#webdev #render #autoscaling #cloud
10
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6 min read
An Overview of the Tools for Developing on Flow & Cadence
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An Overview of the Tools for Developing on Flow & Cadence

#web3 #webdev #flow #cadence
2
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8 min read
How To Deploy An ERC-20 Smart Contract On Avalanche with Infura
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How To Deploy An ERC-20 Smart Contract On Avalanche with Infura

#web3 #tutorial #webdev #javascript
2
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7 min read
Creating a Risk-Aware Card Program
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Creating a Risk-Aware Card Program

#webdev #risk #tutorial #java
1
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4 min read
Coinbase Cloud Node & NFT APIs
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Coinbase Cloud Node & NFT APIs

#web3 #node #nft #coinbase
1
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13 min read
Exploring the Coinbase API From a Web2 Starting Point
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Exploring the Coinbase API From a Web2 Starting Point

#web3 #tutorial #javascript #programming
5
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6 min read
From Ethereum To Flow – An Introduction To The Flow Blockchain
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From Ethereum To Flow – An Introduction To The Flow Blockchain

#web3 #flow #blockchain #cadence
2
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9 min read
Smart Contract Head to Head — Ethereum vs. Flow
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Smart Contract Head to Head — Ethereum vs. Flow

#web3 #ethereum #flow #webdev
5
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8 min read
How Blockchain Tech Can Improve DevOps Practices in Web3
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How Blockchain Tech Can Improve DevOps Practices in Web3

#web3 #devops #blockchain #tutorial
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8 min read
TURN Time Into Value
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TURN Time Into Value

#web3 #webdev #nft #token
4
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4 min read
Diving Deep into Smart Contracts
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Diving Deep into Smart Contracts

#web3 #tutorial #javascript #programming
3
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14 min read
Launch Your Startup Idea in a Day
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Launch Your Startup Idea in a Day

#webdev #tutorial #programming #startup
6
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8 min read
It’s Time to Use a Data Privacy Vault
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It’s Time to Use a Data Privacy Vault

#webdev #tutorial #security #privacy
Comments 1
9 min read
From Ethereum to Aurora With Infura
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From Ethereum to Aurora With Infura

#web3 #tutorial #programming #javascript
5
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13 min read
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