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Chaminade Dondah ADJOLOU2d ago • 5 min read
Retries Without Regret: Idempotency Keys in Spring Boot and Node
A popular DEV discussion recently asked to retry or not to retry. The honest answer is: retry, but.....
#springboot#node#postgres#backend
1 1
Chaminade Dondah ADJOLOU4d ago • 8 min read
You Don't Need Python to Ship AI: Adding an LLM Feature to a Spring Boot API
AI owns DEV's front page this week: AI features running in the browser on one side, AI fatigue on th...
#backend#springboot#ai#java
1 0
Chaminade Dondah ADJOLOU4d ago • 7 min read
Threads, Pools, Promise.all: Why Your Postgres Falls Over First (Spring Boot vs Node)
Two recent DEV posts describe the same incident from opposite sides of the stack. In one, a Spring.....
#backend#springboot#node#postgres
1 1
Prasanna Lakshan3d ago • 4 min read
How I Built an AI-Powered Observability Platform to Stop Digging Through Microservices Logs 🚀
Ever spent three hours tracing a single NullPointerException across five different microservices? Yo...
#springboot#microservices#react#ai
1 3
Aniket Bhattacharyea2d ago • 12 min read
Spring Boot Integration Tests Are Slow and Messy: Here's How to Fix Them
Integration test suites can get slow without anyone deciding they should. Another @SpringBootTest...
#springboot#testing#kotlin#java
1 1
Muhammedfuad Bashar2d ago • 5 min read
Building a Multi-Role Platform in Spring Boot: What Five User Types Do to Your Design.
Notes from building FarmNomad - an AgriTech platform where farmers, customers, drivers, food banks,....
#java#springboot#webdev#architecture
1 0
Ed Legaspi6d ago • 9 min read
A Trading Bot Is Easy. A Trading Engine Is Not
Building a trading bot is surprisingly straightforward. Get some market data. Calculate a few...
#java#springboot#architecture#trading
2 0
Gaddeti Rohit BabuOct 16, 2026 • 5 min read
Threads Are Not Connections: A Spring Boot Concurrency Incident
Description: A Spring Boot service slowed down under load because API calls and database...
#java#springboot#concurrency#performance
1 1
Chaminade Dondah ADJOLOU4d ago • 7 min read
Your Java long IDs Are Lying to Your React Native App: Contract Rules Between Spring Boot and TypeScript
This bug doesn't throw. Your Spring Boot API returns an order with id 1849203948123456789. Your Reac...
#springboot#typescript#reactnative#webdev
0 0
jamilxt5d ago • 8 min read
Structured Concurrency vs CompletableFuture: How Java Finally Fixed Parallel Calls
Every backend codebase I have worked in has the same method somewhere. It fetches data from three or...
#java#concurrency#springboot#jvm
2 0
Steven Carvajal4d ago • 7 min read
Cuánto cuesta desplegar una API Spring Boot en AWS: 4 opciones comparadas
Costo mensual aproximado de desplegar una API Java con Spring Boot en AWS con EC2, Elastic Beanstalk...
#aws#springboot#java#costos
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Rahkel Pekins5d ago • 3 min read
I'm Building a Peer-to-Peer Library Platform in Public — From a Legacy Java Monolith to Spring Boot
Hi, I'm Rahkel. I'm a backend developer, and I'm building a software project solo, in public. This....
#java#buildinpublic#springboot#backend
0 0
Peng Zhou2d ago • 5 min read
What I Learned Running OpenAI Codex on a Real Spring Boot Codebase
Most "I tried Codex on Java" posts use a greenfield todo app. I did the opposite: a Spring Boot...
#java#springboot#ai#productivity
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João Abreu3d ago • 6 min read
Why my GETs worked but every POST got a 403: a CORS bug behind nginx in Docker
I'm a CS student building a tutoring management system: a Spring Boot REST API, a React frontend and...
#springboot#docker#nginx#cors
0 1
Sergei Cherkasov3d ago • 12 min read
Spring Config Import Demystified
Author: Dmitry Mazurov Hi everyone! My name is Dmitry Mazurov, and I am an OSS contributor to the.....
#springboot#systemdesign#opensource#backend
1 0
Martin Klestil1d ago • 2 min read
Validation on Spring
Invalid inputs are the root of all evil! Or would you run your coffee maker on rocks? How....
#java#spring#springboot#validation
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Ezequiel Otoni6d ago • 9 min read
Stored Procedures na prática: implementando regras de negócio com PL/SQL
Que é possível criar métodos e funções para manipular um banco de dados no back-end, isso você já...
#plsql#oracle#storedprocedures#springboot
1 0
Ed Legaspi6d ago • 9 min read
Building a Trading Engine in Java: Beyond BUY and SELL Signals
Generating a BUY or SELL signal is relatively straightforward. Building a system that can reliably....
#java#springboot#architecture#trading
1 0
Sham Prakash K4d ago • 7 min read
Building Agents That Don't Break — Error Handling and Patterns in Spring AI
A basic agent works well when tools succeed, inputs are valid, and the task is straightforward. Real...
#ai#java#springboot#agents
1 0
Anand Rathnas4d ago • 4 min read
PgBouncer, search_path, and a Schema That Vanished
Moving to transaction-mode PgBouncer broke our schema resolution and took prod down on the pool cuto...
#postgres#docker#devops#springboot
1 0
Vitalii Sukach6d ago • 11 min read
RAG in Java with LangChain4j: Teaching a Local LLM About a Company That Doesn't Exist
Build a fully local RAG service with Spring Boot, LangChain4j, pgvector and Ollama: chunks, embeddin...
#java#ai#springboot#tutorial
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Sham Prakash K2d ago • 6 min read
From Localhost to Production: Deploying Your Spring AI Agent
Running an AI agent on your laptop is one thing. Putting it in front of real users is another. The.....
#ai#java#springboot#agents
0 0
Sulochana BasavalaOct 16, 2026 • 6 min read
Securing React and Spring Boot with JWT & Refresh Tokens (Spring Security 6)
In modern full-stack development, securing communication between a Single Page Application (SPA) and...
#springboot#react#java#security
0 0
Shrinivas Shukla4d ago • 3 min read
Stop Writing REST Client Boilerplate in Java
Every Java project ends up with the same file eventually. You know the one — ApiClient.java,...
#java#graalvm#rest#springboot
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