Backend & APIs

HTTP services, microservices, RPC, auth, caching, and resilient API design.

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Inside Backend & APIs

Node, Deno & Bun JS runtimes, frameworks, and edge/serverless adapters. Python Web Django, Flask, FastAPI, async servers, and ORMs for Python backends. JVM Backends Spring Boot, Quarkus, Micronaut, and reactive stacks on the JVM. .NET & C# ASP.NET Core, Minimal APIs, gRPC, and cloud-ready patterns. PHP & Laravel/Symfony Frameworks, queues, and performance patterns for PHP 8+. Go & Rust Services Compiled backends for scale, observability, and efficiency. GraphQL & RPC Schemas, federation, protobuf, and contract-first service stacks. Auth, Identity & Sessions OAuth/OIDC, sessions, JWTs, SSO patterns, and security considerations. Caching, Queues & Background Jobs Caching strategies, job queues, retries, and background processing patterns.

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Latest in Backend & APIs


dev.to > sindhuja_sudhakar > when-ai-agents-hammer-toolslist-building-a-caching-aware-mcp-server-sep-2549-38k6

When AI Agents Hammer tools/list: Building a Caching-Aware MCP Server (SEP-2549)

1+ hour, 4+ min ago   (555+ words) Part 2 of 2. Part 1 covered statelessness; here I tackle caching. This isn't hypothetical. When I pointed GitHub Copilot CLI at my server, it fired nine tools/list calls in ~40 seconds in one short session — plus repeated re-initializes. That's the storm SEP…...


dev.to > apsis-cc > observabilidade-o-que-e-metricas-vs-logs-vs-traces-e-a-stack-prometheus-loki-grafana-2136

Observabilidade - o que é, métricas vs logs vs traces e a stack Prometheus + Loki + Grafana

1+ hour, 18+ min ago   (313+ words) Por muito tempo, "monitorar" um sistema significava basicamente uma coisa: configurar alguns alertas (CPU alta, disco cheio, processo caiu) e torcer para que eles cubram os problemas que realmente vão acontecer. Isso funciona enquanto o sistema é simples e as…...


dev.to > apsis-cc > prometheus-na-pratica-scraping-o-endpoint-metrics-e-uma-mini-app-python-expondo-metricas-2j08

Prometheus na prática - scraping, o endpoint /metrics e uma mini app Python expondo métricas

1+ hour, 18+ min ago   (344+ words) No primeiro artigo desta série, subimos Prometheus, Loki e Grafana com Docker Compose, mas sem nenhuma aplicação real enviando dados — o Prometheus só monitorava a si mesmo. Este artigo resolve isso: vamos entender como o Prometheus efetivamente coleta métricas de…...


dev.to > peeyushkmisra > your-ai-agent-can-call-apis-now-5hi9

Your AI Agent Can Call APIs Now

1+ hour, 9+ min ago   (954+ words) Who Is Checking What It Does? The real problem with agentic AI isn't giving an LLM tools. It's controlling what happens after you give it access. Imagine you give an AI agent access to: And then you tell it: "Fix…...


dev.to > ikkun1222 > jev-vs-a-310m-encoder-i-trained-myself-750-rows-three-tasks-two-different-winners-242e

Jev vs a 310M encoder I trained myself: 750 rows, three tasks, two different winners

2+ hour, 5+ min ago   (960+ words) One-line summary: A decision API wins when you have no labels; a small trained encoder wins when you have a few hundred — and which one wins on a given task is decided by the shape of the task, not by…...


dev.to > lukman-ss > database-transactions-are-a-boundary-not-a-safety-blanket-1d9m

Database Transactions Are a Boundary, Not a Safety Blanket

2+ hour, 8+ min ago   (783+ words) The uncomfortable part of a failed payment flow is not always the error. Sometimes the function returns an error and the database still keeps half of the work. That is the failure Lab 03 demonstrates. A payment is inserted. The order…...


dev.to > echoluoluo > coordinates-are-usually-the-beginning-not-the-answer-336

Coordinates Are Usually the Beginning, Not the Answer

2+ hour ago   (1088+ words) When people work with maps, latitude and longitude are often treated as the final result. You search for a place, get a pair of coordinates, and the task seems complete. But in practice, coordinates are rarely the final answer. They…...


dev.to > uavgnss6bot > debugging-rtk-gnss-integration-ports-baud-rates-and-protocol-direction-ardupilot-px4-3n09

Debugging RTK GNSS integration: ports, baud rates and protocol direction (ArduPilot / PX4)

2+ hour, 53+ min ago   (688+ words) We build Septentrio-powered GNSS receivers at UAV GNSS — so the message "I wired it up, the port is open, and the autopilot still says no fix" is the one we get most often. In our experience it is almost never…...


note.com > ample_swan1803 > n > nd59cb3d5673a

In November 2026, your Spring Boot might be "checkmated."｜oz

3+ day, 8+ hour ago   (920+ words) "I'll upgrade once things settle down"—I think many engineers feel this way. However, the world of Spring Boot is moving faster than you might think. Spring Boot 3.5 series already reached EOL (End of Life) on June 30, 2026. And the next…...


dev.to > baba_yaga_dee9f44c728109e > redis-vs-memcached-complete-comparison-2kg6

Redis vs Memcached: Complete Comparison

3+ hour, 10+ min ago   (942+ words) In the high-stakes world of modern application development, performance and scalability are paramount. Developers and architects constantly seek robust solutions to reduce database load, accelerate data retrieval, and enhance user experience. Two names frequently emerge at the forefront of in-memory…...