ai23 de mar. de 2026Building AI Agents That Actually Work: Architecture, Patterns, and Hard Lessons from ProductionThe engineering reality behind AI agents in 2026. Tool orchestration, memory systems, planning loops, guardrails, cost control, and the architecture patterns that separate demo agents from production agents.llmarchitecturetypescriptbackendblog.readMore Building AI Agents That Actually Work: Architecture, Patterns, and Hard Lessons from Production
debugging23 de mar. de 2026The Art of Debugging: How Senior Engineers Find Bugs 10x FasterSystematic debugging from first principles. Scientific method, memory leaks, race conditions, production debugging, war stories, and the mental models that separate juniors who flail from seniors who fix.typescriptnode.jsperformancebackendblog.readMore The Art of Debugging: How Senior Engineers Find Bugs 10x Faster
infrastructure23 de mar. de 2026Scaling to One Million Users: The Infrastructure Playbook Nobody SharesThe definitive guide to scaling a web application from 0 to 1M+ users. Connection pooling, caching layers, load balancing, background jobs, edge computing, monitoring, and the real war stories that nobody puts in their blog posts.scalingbackendpostgresqldevopsblog.readMore Scaling to One Million Users: The Infrastructure Playbook Nobody Shares
api22 de mar. de 2026API Versioning Strategies: The Hard Lessons from Running APIs in Production for 8 YearsURL versioning, header versioning, date-based versioning, deprecation policies, schema evolution, and the migration playbook. What actually works when you have real consumers depending on your API.restversioningbackendarchitectureblog.readMore API Versioning Strategies: The Hard Lessons from Running APIs in Production for 8 Years
linux22 de mar. de 2026Linux Internals Every Developer Should Know: Processes, Memory, Networking, and the KernelA deep dive into the Linux internals that matter for application developers: process lifecycle, memory management, networking stack, cgroups, eBPF, and the debugging tools that will save you at 3 AM.devopssystems-programmingnetworkingbackendblog.readMore Linux Internals Every Developer Should Know: Processes, Memory, Networking, and the Kernel
oauth22 de mar. de 2026OAuth 2.1 and OpenID Connect: The Parts That Actually Confuse EveryoneA no-nonsense deep dive into OAuth 2.1 and OpenID Connect. Authorization Code + PKCE with real HTTP requests, token storage wars, refresh token rotation, OIDC discovery, multi-tenant identity, and the vulnerabilities that bite even experienced teams.authenticationsecurityopenid-connectbackendblog.readMore OAuth 2.1 and OpenID Connect: The Parts That Actually Confuse Everyone
system-design22 de mar. de 2026System Design Interview: The Patterns Nobody Teaches YouThe thinking frameworks, back-of-the-envelope math, and architecture patterns that actually matter in system design interviews — from someone who has been on both sides of the table.architecturedistributed-systemsinterviewsbackendblog.readMore System Design Interview: The Patterns Nobody Teaches You
database22 de mar. de 2026Database Migrations That Won't Destroy Your Weekend: Zero-Downtime Schema ChangesThe hard-won lessons from years of migrating production databases without downtime. Lock contention, expand-contract patterns, online schema tools, ORM pitfalls, and the incident stories nobody talks about.postgresqlmigrationsdevopsbackendblog.readMore Database Migrations That Won't Destroy Your Weekend: Zero-Downtime Schema Changes
authentication4 de mar. de 2026Autenticação Moderna em 2026: JWT, Sessions, OAuth e PasskeysO panorama completo de autenticação: quando usar sessions vs JWT, fluxos OAuth 2.0 / OIDC, rotação de refresh token, passkeys (WebAuthn) e os padrões de auth no Next.js que eu realmente uso.securitynext.jsweb-developmentbackendblog.readMore Autenticação Moderna em 2026: JWT, Sessions, OAuth e Passkeys
node.js11 de fev. de 2026Observabilidade em Node.js: Logs, Métricas e Traces Sem ComplexidadeLogging estruturado com Pino, métricas com Prometheus, tracing distribuído com OpenTelemetry. A stack de observabilidade que uso em apps Node.js de produção, do zero à visibilidade total.observabilitydevopsmonitoringbackendblog.readMore Observabilidade em Node.js: Logs, Métricas e Traces Sem Complexidade
sql5 de fev. de 2026SQL Window Functions: The Feature That Changed How I Write Every QueryWindow functions are the single most underused SQL feature. Running totals, rankings, moving averages, gap analysis, and session detection — all without subqueries. Real examples from production databases.postgresqldatabaseperformancebackendblog.readMore SQL Window Functions: The Feature That Changed How I Write Every Query
graphql15 de jan. de 2026GraphQL vs REST: After Using Both in Production, Here's What I Actually ThinkNot another 'GraphQL is better' or 'REST is simpler' post. Real production experience with both, including the parts that GraphQL evangelists won't tell you and the REST limitations that actually matter.restapi-designarchitecturebackendblog.readMore GraphQL vs REST: After Using Both in Production, Here's What I Actually Think
security4 de dez. de 2025Boas Práticas de Segurança de API: O Checklist Que Rodo em Todo ProjetoAutenticação, autorização, validação de input, rate limiting, CORS, gestão de secrets e o OWASP API Top 10. O que eu verifico antes de todo deploy em produção.apibackendnode.jsweb-developmentblog.readMore Boas Práticas de Segurança de API: O Checklist Que Rodo em Todo Projeto
postgresql13 de out. de 2025Otimização de Queries no PostgreSQL: De Lento a Sub-MilissegundoAs técnicas de otimização do PostgreSQL que uso em bancos de produção. EXPLAIN ANALYZE, estratégias de índice, reescrita de queries e as mudanças exatas que cortaram tempos de segundos para microssegundos.databaseperformancebackendblog.readMore Otimização de Queries no PostgreSQL: De Lento a Sub-Milissegundo
redis29 de set. de 2025Estratégias de Cache Redis Que Realmente Funcionam em ProduçãoCache-aside, write-through, prevenção de cache stampede, estratégias de TTL e padrões de invalidação. Os padrões Redis que eu usei em aplicações Node.js em produção com exemplos de código reais.cachingbackendnode.jsperformanceblog.readMore Estratégias de Cache Redis Que Realmente Funcionam em Produção
database16 de set. de 2025Design de Schema de Banco de Dados: Padrões Que Envelhecem BemRegras de normalização, convenções de nomenclatura, soft deletes, audit trails, padrões de multi-tenancy, estratégias de versionamento e as decisões de schema que eu me arrependi. Foco em PostgreSQL.postgresqlarchitecturebackendsqlblog.readMore Design de Schema de Banco de Dados: Padrões Que Envelhecem Bem