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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.

Work

Lead Software Engineer @ Marqeta

5 Signs You’ve Built a Secretly Bad Architecture (And How to Fix It)

5 Signs You’ve Built a Secretly Bad Architecture (And How to Fix It)

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9 min read
The Power of Market Disruption: How to Detect Fraud With Graph Data

The Power of Market Disruption: How to Detect Fraud With Graph Data

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8 min read
Why Haven’t You Upgraded to HTTP/2?

Why Haven’t You Upgraded to HTTP/2?

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5 min read
Leveling Up My GraphQL Skills: Real Time Subscriptions

Leveling Up My GraphQL Skills: Real Time Subscriptions

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

Mastering Multi-Cloud and Edge Data Synchronization: A Retail Use Case with KubeMQ’s Java SDK

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5 min read
Buh-Bye Webpack and Node.js, Hello Rails and Import Maps

Buh-Bye Webpack and Node.js, Hello Rails and Import Maps

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6 min read
From Observability to Architectural Observability—Shifting Left for Resiliency

From Observability to Architectural Observability—Shifting Left for Resiliency

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6 min read
Why You Need to Shift-left with Mobile Testing

Why You Need to Shift-left with Mobile Testing

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6 min read
When You Need More Power Than a Lambda Provides

When You Need More Power Than a Lambda Provides

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5 min read
Managing Architectural Tech Debt

Managing Architectural Tech Debt

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6 min read
Less Time Learning, More Time Building

Less Time Learning, More Time Building

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5 min read
When It’s Time to Give REST a Rest

When It’s Time to Give REST a Rest

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8 min read
FastAPI Got Me an OpenAPI Spec Really... Fast

FastAPI Got Me an OpenAPI Spec Really... Fast

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8 min read
DevSecOps: It’s Time To Pay For Your Demand – Not Ingestion

DevSecOps: It’s Time To Pay For Your Demand – Not Ingestion

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5 min read
Using pgvector To Locate Similarities In Enterprise Data

Using pgvector To Locate Similarities In Enterprise Data

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11 min read
Build a Flow Collectibles Portal Using Cadence (Part 2)

Build a Flow Collectibles Portal Using Cadence (Part 2)

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9 min read
Build a Digital Collectibles Portal Using Flow and Cadence (Part 1)

Build a Digital Collectibles Portal Using Flow and Cadence (Part 1)

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14 min read
Exploring the Horizon of Microservices with KubeMQ's New Control Center

Exploring the Horizon of Microservices with KubeMQ's New Control Center

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4 min read
Using Unblocked to Fix a Service That Nobody Owns

Using Unblocked to Fix a Service That Nobody Owns

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5 min read
How to Crush API Dev Work when You're 100% Remote with Postman

How to Crush API Dev Work when You're 100% Remote with Postman

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7 min read
Optimize Your Web3 DevOps with User Feedback Forms

Optimize Your Web3 DevOps with User Feedback Forms

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6 min read
Bridging the Gap: Better Token Standards for Cross-chain Assets

Bridging the Gap: Better Token Standards for Cross-chain Assets

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11 min read
Simplifying Blockchain Development by using Abstraction

Simplifying Blockchain Development by using Abstraction

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6 min read
Build a Flow Collectibles Portal Using Cadence (Part 2)

Build a Flow Collectibles Portal Using Cadence (Part 2)

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10 min read
Build a Serverless App Fast with Zipper: Write TypeScript, Offload Everything Else

Build a Serverless App Fast with Zipper: Write TypeScript, Offload Everything Else

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9 min read
Build a Digital Collectibles Portal Using Flow and Cadence (Part 1)

Build a Digital Collectibles Portal Using Flow and Cadence (Part 1)

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13 min read
5 Web3 Trends We Saw in 2023

5 Web3 Trends We Saw in 2023

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6 min read
Improving Customer-Facing App Quality Using Tricentis Testim

Improving Customer-Facing App Quality Using Tricentis Testim

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7 min read
Building Better dapps with Infura’s Polygon WebSocket

Building Better dapps with Infura’s Polygon WebSocket

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6 min read
(Spring) Booting Java to Accept Digital Payments with USDC

(Spring) Booting Java to Accept Digital Payments with USDC

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8 min read
An Overview of Kubernetes Security Projects at KubeCon Europe 2023

An Overview of Kubernetes Security Projects at KubeCon Europe 2023

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7 min read
Write a Smart Contract with ChatGPT MetaMask Infura, and Truffle

Write a Smart Contract with ChatGPT MetaMask Infura, and Truffle

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11 min read
Smart Contract Audits with ConsenSys Diligence Fuzzing - Fuzzing as a Service

Smart Contract Audits with ConsenSys Diligence Fuzzing - Fuzzing as a Service

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7 min read
The power of zero-knowledge proofs - exploring the new ConsenSys zkEVM

The power of zero-knowledge proofs - exploring the new ConsenSys zkEVM

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5 min read
Top 10 Resources for Learning Solidity

Top 10 Resources for Learning Solidity

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6 min read
Time For Me To Fly… To Render

Time For Me To Fly… To Render

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8 min read
Better Performance and Security by Monitoring Logs, Metrics, and More

Better Performance and Security by Monitoring Logs, Metrics, and More

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10 min read
The Journey to Becoming a Rockstar Salesforce Developer

The Journey to Becoming a Rockstar Salesforce Developer

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8 min read
The Everything Guide to Data Collection in DevSecOps

The Everything Guide to Data Collection in DevSecOps

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8 min read
Using Truffle L2 Boxes to Bridge Blockchain Networks

Using Truffle L2 Boxes to Bridge Blockchain Networks

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8 min read
Flow & Cadence Best Practices, Patterns, and Anti-Patterns

Flow & Cadence Best Practices, Patterns, and Anti-Patterns

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9 min read
How To Build An NFT Minting Dapp On Flow

How To Build An NFT Minting Dapp On Flow

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

Let’s Build an End-to-End NFT Project Using Truffle Suite

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

How I Used Render to Scale My Microservices App With Ease

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6 min read
An Overview of the Tools for Developing on Flow & Cadence

An Overview of the Tools for Developing on Flow & Cadence

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8 min read
How To Deploy An ERC-20 Smart Contract On Avalanche with Infura

How To Deploy An ERC-20 Smart Contract On Avalanche with Infura

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7 min read
Creating a Risk-Aware Card Program

Creating a Risk-Aware Card Program

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4 min read
Coinbase Cloud Node & NFT APIs

Coinbase Cloud Node & NFT APIs

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13 min read
Exploring the Coinbase API From a Web2 Starting Point

Exploring the Coinbase API From a Web2 Starting Point

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6 min read
From Ethereum To Flow – An Introduction To The Flow Blockchain

From Ethereum To Flow – An Introduction To The Flow Blockchain

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9 min read
Smart Contract Head to Head — Ethereum vs. Flow

Smart Contract Head to Head — Ethereum vs. Flow

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8 min read
How Blockchain Tech Can Improve DevOps Practices in Web3

How Blockchain Tech Can Improve DevOps Practices in Web3

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8 min read
TURN Time Into Value

TURN Time Into Value

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4 min read
Diving Deep into Smart Contracts

Diving Deep into Smart Contracts

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14 min read
Launch Your Startup Idea in a Day

Launch Your Startup Idea in a Day

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8 min read
It’s Time to Use a Data Privacy Vault

It’s Time to Use a Data Privacy Vault

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9 min read
From Ethereum to Aurora With Infura

From Ethereum to Aurora With Infura

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13 min read
Purpose-Driven Microservice Design

Purpose-Driven Microservice Design

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6 min read
Taking Your App Offline with the Salesforce Mobile SDK

Taking Your App Offline with the Salesforce Mobile SDK

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5 min read
Leveraging Change Data Capture for Fraud Detection using Arcion Cloud

Leveraging Change Data Capture for Fraud Detection using Arcion Cloud

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9 min read
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