Architecture & Patterns

System design, microservices vs monoliths, event-driven architectures, DDD, and resilient patterns.

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Inside Architecture & Patterns

System Design & Scalability Capacity planning, sharding, multi-region, and cost/perf trade-offs. Domain-Driven & Hexagonal Bounded contexts, ports/adapters, and maintainable system structure. Resilience & Caching Circuit breakers, retries/backoff, bulkheads, and caching strategies. API Design & Governance Naming, pagination, filtering, errors, versioning, and style guides at scale.

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dev.to > islomkhon_nizomkhonov_a33 > i-moved-the-agent-topology-out-of-my-code-and-into-the-database-1bel

I moved the agent topology out of my code and into the database

25+ min ago   (300+ words) The brief is always some version of "the agent should answer customer questions about their... Tagged with ai, opensource, python, llm....


dev.to > orbistats > building-a-live-scoreboard-with-a-sports-data-api-vanilla-js-websocket-481h

Building a Live Scoreboard with a Sports Data API (Vanilla JS + WebSocket)

52+ min ago   (29+ words) In this tutorial we'll build a working live scoreboard — the kind you'd embed on a sports site or a... Tagged with javascript, api, webdev, tutorial....


dev.to > parsajiravand > react-derived-state-why-that-usestate-is-probably-a-bug-37h0

React Derived State: Why That useState Is Probably a Bug

56+ min ago   (1065+ words) Nothing here is exotic. It's one of the most common bugs in React codebases, and it exists because a value that should have been computed got stored instead. This is episode two of React Deep Dive, on what React itself…...


dev.to > ufebri > site-wide-structured-data-and-social-graph-integration-33cj

Site-Wide Structured Data and Social Graph Integration

1+ hour, 44+ min ago   (253+ words) Choosing A Publishing Stack A Technical a mobile stack starts with constraints, not a popularity contest. Failing to address these gaps treats platform pages as disjointed URLs rather than a unified verified entity. Resolving these issues requires moving beyond a…...


dev.to > adoryike > how-i-built-a-zero-cost-python-webhook-engine-to-bypass-a-high-friction-voting-system-1o69

How I Built a Zero-Cost Python Webhook Engine to Bypass a High-Friction Voting System

1+ hour, 38+ min ago   (229+ words) When I entered the CANEX Create-Thon competition, I quickly realized I wasn't just competing against other creators but rather I was also competing against bad UX. The Gebeya platform requires users to complete a full email sign-in just to cast…...


dev.to > constant_itis > your-agents-memory-is-an-attack-surface-3kdg

Your Agent's Memory Is an Attack Surface

1+ hour, 53+ min ago   (23+ words) a memory you can write is a behavior you can write, and byte-integrity does not cover provenance. Tagged with ai, memory, security, biomimicry....


dev.to > seolith > building-foxyinvoice-chapter-4-multi-tenancy-data-security-the-vault-l79

Building FoxyInvoice — Chapter 4: Multi-tenancy & data security — the vault

1+ hour, 59+ min ago   (314+ words) This series is written in the open, from a real production system. This chapter is the vault: identity, isolation, authorization, and the tests that prove it holds. [All chapters and diagrams live in the public repo.] Solo developers imagine hackers....


dev.to > yureki_lab > how-i-built-a-task-spec-contract-between-my-planner-and-implementer-agents-e94

How I Built a Task Spec Contract Between My Planner and Implementer Agents

2+ hour, 55+ min ago   (944+ words) Quick background. The system I have been building for about a year runs Claude Code (2.x as of September 2026) in a loop: a planner reads the repo and the backlog, breaks a goal into tasks, and hands each task to…...


dev.to > nazrinsuleymanli > stop-chasing-exactly-once-your-kafka-consumer-just-needs-to-not-care-1j5m

Stop Chasing Exactly-Once. Your Kafka Consumer Just Needs to Not Care

2+ hour, 41+ min ago   (368+ words) Every few months a team I talk to decides they need exactly-once delivery in Kafka. They read the... Tagged with java, microservices, kafka, springboot....


dev.to > immanuel_gabriel_341393bf > your-ai-agent-is-acting-on-context-it-never-checked-13bl

Your AI agent is acting on context it never checked

2+ hour, 37+ min ago   (429+ words) Most of the reliability work around AI agents right now goes into the model and the retrieval. We tune the prompt, we improve the ranker, we add a re-ranker on top of that. What gets far less attention is a…...