Technical Articles

Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.

All categories Arquitetura Automação Backend Carreira DevOps Eletrônica Engenharia Frontend Hardware IA Negócios Produtividade Redes

IAArquitetura•14 min

Context Window Engineering: Feeding LLMs Millions of Tokens Without Going Broke

Master advanced architectures for massive LLM context windows from 1M to 2M tokens without going broke. Learn how to mitigate accuracy drops and drastically cut operational costs using smart prompt caching strategies.

DevOpsArquitetura•12 min

Docker Compose in Production: Security Hardening, Caddy & Automated Backups

Running production workloads with Docker Compose is entirely feasible when paired with strict security hardening, isolated networks, and automated backups. This guide walks through configuring non-privileged users, Caddy reverse proxies, and resilient cloud storage routines.

BackendArquitetura•12 min

SQLite in Production: Guide to Litestream, Turso, and Local-First Architectures

Learn how to scale SQLite in production using WAL mode, Litestream replication to S3/R2, and distributed edge databases with Turso, removing traditional database complexity.

NegóciosCarreira•12 min

Working Remotely for Overseas Companies as a Dev: PJ Taxation, Fator R, Contracts, and FX

Definitive guide for Brazilian software engineers working remotely for foreign companies as a PJ. Master Simples Nacional, Fator R, tax exemptions, and FX.

IABackend•12 min

Structured Outputs with AI: Ensuring Strict Zod Schemas Without JSON Hallucinations

Learn how to move away from fragile JSON prompts in AI and implement strict Structured Outputs using Constrained Decoding and Zod in production.

DevOpsProdutividade•14 min

Practical Git Guide: Worktrees, Interactive Rebase, Bisect, and Cherry-Pick

Master advanced Git techniques with git worktrees for parallelism, bisect for binary regression hunting, interactive rebase for clean history, and precise cherry-pick strategies in high-performance enterprise environments.

BackendArquitetura•14 min

Cloudflare Workers and R2: How to Host Global Full-Stack Apps at Near-Zero Cost

Learn how to architect and build ultra-scalable full-stack applications at the edge using Cloudflare Workers and R2, eliminating egress fees and ensuring minimal global latency.

BackendArquitetura•14 min

Redis Beyond Cache: BullMQ Queues, Streams, and Distributed Rate Limiting Under High Concurrency

Discover how to scale Node.js applications using Redis beyond basic caching. Implement asynchronous queues with BullMQ, distributed rate limiting with Token Bucket, and lightweight messaging with Redis Streams.

IABackend•12 min

RAG: Hybrid Search (BM25 + Vectors) and Cross-Encoder Reranking

Learn how to overcome pure vector similarity limitations by implementing hybrid search with BM25, Reciprocal Rank Fusion, and Cross-Encoders to optimize enterprise RAG systems.

BackendArquitetura•15 min

Laravel 13: Architecture, Performance, and the Future of the PHP Ecosystem

Laravel 13 reinvents PHP backend architecture by combining high-performance runtimes, pre-compiled dependency injection, and native asynchronous concurrency. This version bridges the gap between rapid development and enterprise-grade scalability.