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I built a CLI that scaffolds complete multi-tenant SaaS apps

Jean-David Bonicel3d ago • 3 min read

I built a CLI that scaffolds complete multi-tenant SaaS apps

After building the same multi-tenant platform architecture over and over -- React shell,...

#opensource#react#java#webdev

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Meu primeiro bootcamp na DIO (CI&T Java backend)

Thiago Cardoso5d ago • 3 min read

Meu primeiro bootcamp na DIO (CI&T Java backend)

Este é o meu terceiro artigo aqui para o Dev.to, concluí dia 10/04/2026 este Bootcamp da DIO e...

#devbrazilian#programming#bootcamp#java

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Serverless applications on AWS with Lambda using Java 25, API Gateway and DynamoDB - Part 5 SnapStart and full priming

Vadym KazulkinApr 13, 2026 • 7 min read

Serverless applications on AWS with Lambda using Java 25, API Gateway and DynamoDB - Part 5 SnapStart and full priming

Introduction In part 1, we introduced our sample application. In part 2, we measured the...

#aws#java#serverless#awslmabda

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Java Collections: Everything You Need to Know About the List Interface

Arul .A2d ago • 2 min read

Java Collections: Everything You Need to Know About the List Interface

1.List Interface : The List interface is part of java.util and extends the Collection interface. It...

#java#programming

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Process-First Design and the Independent Variation Principle: Two Paths to the Same Territory

Yannick Loth5d ago • 7 min read

Process-First Design and the Independent Variation Principle: Two Paths to the Same Territory

In response to Sergiy Yevtushenko's "The Quiet Consensus" and "Java Backend Design Technology: A...

#architecture#softwareengineering#java#businessprocess

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Agent Development Kit 2.0, ADK-java 1,1 et Go 1.0 🚀

Jean-Phi Baconnais5d ago • 5 min read

Agent Development Kit 2.0, ADK-java 1,1 et Go 1.0 🚀

La grosse nouvelle de la fin mars dans le monde du développement d’agent IA vient de Google avec les...

#adk#ai#google#java

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What Happens Between @SqsListener and Your Method in Spring Cloud AWS SQS

Tomaz Lemos12h ago • 11 min read

What Happens Between @SqsListener and Your Method in Spring Cloud AWS SQS

A walkthrough of the full SQS listener lifecycle in Spring Cloud AWS SQS, from annotation detection ...

#java#spring#aws#sqs

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Mastering Spring Security with Spring Boot 3 and SecurityFilterChain

Rajesh Mishra2d ago • 2 min read

Mastering Spring Security with Spring Boot 3 and SecurityFilterChain

Learn how to implement robust security in your Spring Boot 3 applications using Spring Security and ...

#springboot#java#programming#tutorial

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My 14-Year Journey Away from ORMs - How I Built pGenie, the SQL-First Postgres Code Generator

Nikita Volkov6d ago • 4 min read

My 14-Year Journey Away from ORMs - How I Built pGenie, the SQL-First Postgres Code Generator

Story about how I went from shipping a popular ORM in 2012… to throwing it all away… to realizing th...

#postgres#java#rust#haskell

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From Email to User ID: A Security-Driven Refactor in Spring Boot Backend - Finovara

Marcin Parśniak2d ago • 3 min read

From Email to User ID: A Security-Driven Refactor in Spring Boot Backend - Finovara

At some point, a backend outgrows its initial assumptions. In my case, that assumption was...

#security#programming#api#java

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Serverless applications on AWS with Lambda using Java 25, API Gateway and Aurora DSQL - Part 5 SnapStart and full priming

Vadym Kazulkin5d ago • 9 min read

Serverless applications on AWS with Lambda using Java 25, API Gateway and Aurora DSQL - Part 5 SnapStart and full priming

Introduction In part 1, we introduced our sample application. In part 2, we measured the...

#aws#java#serverless#awslambda

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Building a Zero-Loss Kafka Consumer with Spring Kafka Retryable Topics

Yogesh Kale6d ago • 8 min read

Building a Zero-Loss Kafka Consumer with Spring Kafka Retryable Topics

A production-grade approach to integrating Kafka with legacy systems using Spring Kafka Retryable...

#kafka#springboot#softwaredevelopment#java

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How I Designed a Scalable Notification System with JSON Polymorphism in Spring Boot - Finovara

Marcin Parśniak3d ago • 2 min read

How I Designed a Scalable Notification System with JSON Polymorphism in Spring Boot - Finovara

While working on my project Finovara, I recently implemented a flexible notification system that...

#programming#java#opensource#api

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Huiren Woo3d ago • 12 min read

Attended Spring I/O 2026

Spring I/O 2026 I have never attended Spring I/O before and it was my first time ever that...

#spring#techtalks#java#learning

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Java Backend Design Technology: A Process-First Methodology

Sergiy Yevtushenko6d ago • 9 min read

Java Backend Design Technology: A Process-First Methodology

From Requirements to Code in Eight Questions

#java#architecture#design#programming

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I Inherited a 40,000-Line Java File. Here's What I Found Inside.

Mihaaq-arch13h ago • 6 min read

I Inherited a 40,000-Line Java File. Here's What I Found Inside.

description: A developer's case study of inheriting and refactoring a 40,000-line Java Swing file in...

#java#legacy#refactoring#architecture

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Java Without the JVM? A Journey into Spring Boot Native Images

Felipe Stanzani3d ago • 5 min read

Java Without the JVM? A Journey into Spring Boot Native Images

The Cloud Bill That Didn’t Make Sense In the mid-2000s, Java was considered a heavyweight....

#programming#tutorial#java#performance

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How to Find the Minimum Mirror Pair Distance in an Array

Partners DSA1d ago • 3 min read

How to Find the Minimum Mirror Pair Distance in an Array

Have you ever encountered an algorithm problem where you need to find pairs of numbers that are...

#java#algorithms#programming#tutorial

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Design pattern visualization: Behavioral Design Patterns

Gokul G.K.5d ago • 12 min read

Design pattern visualization: Behavioral Design Patterns

Refactoring Guru already has the best blog to learn Design patterns. Here I am just trying to give a...

#java#design#systemdesign#coding

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I built a tool that shows you exactly which method slowed down after your last deploy published: false

closeup12026d ago • 5 min read

I built a tool that shows you exactly which method slowed down after your last deploy published: false

You deployed. p99 latency spiked. Now what? ...

#java#springboot#monitoring#opensource

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Unbounded Queues: The Silent Killer of Production Services

Prathamesh Thakre1d ago • 6 min read

Unbounded Queues: The Silent Killer of Production Services

Your service runs fine at 2 PM. At 6 PM, the database experiences a brief latency spike—nothing...

#architecture#java#performance#sre

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Java to Go: Why Enterprise Teams Are Quietly Jumping Ship in 2026

Gabriel Anhaia2d ago • 12 min read

Java to Go: Why Enterprise Teams Are Quietly Jumping Ship in 2026

For the Spring Boot developer: what actually changes when your platform team rewrites the hot servic...

#java#go#backend#enterprise

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JGuardrails 1.0.0 — Hardening Java LLM Apps Against Jailbreaks, Toxicity, and Prompt Injection

Daniil Ratnikau4d ago • 7 min read

JGuardrails 1.0.0 — Hardening Java LLM Apps Against Jailbreaks, Toxicity, and Prompt Injection

The Security Problem Nobody Talks About Enough Everyone is rushing to add LLMs to their...

#java#llm#security#opensource

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MiniStack: Free Local AWS Emulator + Testcontainers Module + AWS CLI Built In

Nahuel Nucera6d ago • 3 min read

MiniStack: Free Local AWS Emulator + Testcontainers Module + AWS CLI Built In

4 releases in a weekend: Testcontainers Java module, AWS CLI bundled, Step Functions intrinsics, RDS...

#java#docker#aws#python

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