Search is one of those features that seems straightforward until you try to build it properly. A basic LIKE query handles small datasets. The moment your corpus grows, your users start expecting typo tolerance, faceted filtering, relevance ranking, and sub-100-millisecond response times, that LIKE query stops being an answer. Every application that stores content, products, […]
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There is a gap inside most engineering organisations that rarely shows up in a sprint retrospective but shows up very clearly in quarterly cloud bills. Developers make dozens of technical decisions every week that carry real cost implications: which database tier to provision, how frequently a background job polls an external API, whether logs are […]
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Most applications that describe themselves as encrypted are not end-to-end encrypted. They encrypt data in transit using TLS and encrypt data at rest using a storage-layer key managed by the cloud provider. Both are important and neither is E2EE. In a genuine end-to-end encrypted system, the server processes ciphertext it cannot decrypt. Only the communicating […]
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Every backend team eventually ships a change that breaks a client they forgot about. It usually happens the same way. The API contract looked stable. The change felt minor. The release went out on a Tuesday afternoon, and by Wednesday morning the support queue was full of integration partners reporting 500 errors and mobile app […]
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Connection pooling sits in a quiet corner of most backend architectures. It rarely appears in architecture diagrams, it generates no alerts until something goes badly wrong, and most engineers configure it once and never revisit it. That neglect is expensive. A misconfigured connection pool is one of the most common causes of database-related outages in […]
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Most engineering teams that have adopted infrastructure as code are not where they think they are. They have Terraform files in a repository. They can provision a VPC and a handful of EC2 instances without clicking through a console. The infrastructure looks like code in the sense that it lives in a .tf file, but […]
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Integrating a large language model into a production system looked straightforward in 2023. Call the API, parse the response, ship it. Engineers who took that path and stayed on it have since learned, often through incidents and surprise billing statements, that production LLM integration is a distinct engineering discipline with its own failure modes, cost […]
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The backend language debate has never been more alive than it is in 2026. Rust has gone from a systems programming curiosity to a serious contender for production backend services at companies ranging from early-stage startups to engineering organizations running hundreds of microservices. The question no longer is whether Rust is capable. It clearly is. […]
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Every SaaS product eventually faces the same architectural inflection point. The first version was built for a handful of customers. Data lived in a shared database, the application ran as a single instance, and the team knew which customer owned which row because they could remember it. Then the customer count doubled, then tripled, and […]
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There is a particular kind of friction that security teams and engineering teams share without ever quite resolving. Engineering wants to ship fast. Security wants to ship safely. When security operates as a gate at the end of the release process, it becomes a bottleneck: a queue of features waiting for a penetration tester’s review, […]
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