<![CDATA[Backend Engineers Club - Medium]]> https://medium.com/backend-engineers-club?source=rss----8ce455de7926---4 https://cdn-images-1.medium.com/proxy/1*TGH72Nnw24QL3iV9IOm4VA.png Backend Engineers Club - Medium https://medium.com/backend-engineers-club?source=rss----8ce455de7926---4 Medium Wed, 04 Nov 2026 20:31:58 GMT <![CDATA[Adding a Database Server Doubled Capacity. One Index Multiplied It by 2,600.]]>

Measure first, then climb the ladder

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]]> https://medium.com/backend-engineers-club/adding-a-database-server-doubled-capacity-one-index-multiplied-it-by-2-600-f61f6222690d?source=rss----8ce455de7926---4 https://medium.com/p/f61f6222690d Tue, 03 Nov 2026 11:56:46 GMT 2026-11-03T11:56:46.157Z <![CDATA[The 2026 .NET Testing Stack Audit: What to Keep, Replace, or Skip]]>

Every tool in a .NET testing stack, with a keep, replace, or skip verdict — checked against what shipped this autumn.

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]]> https://medium.com/backend-engineers-club/the-2026-net-testing-stack-audit-what-to-keep-replace-or-skip-d2377f09b78e?source=rss----8ce455de7926---4 https://medium.com/p/d2377f09b78e Tue, 03 Nov 2026 11:07:25 GMT 2026-11-03T11:07:24.037Z <![CDATA[x is 257 Was True on Monday and False on Tuesday]]>

Why Python’s is and == are not the same thing, how one of them lies about numbers, and the single rule that keeps you safe

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]]> https://medium.com/backend-engineers-club/x-is-257-was-true-on-monday-and-false-on-tuesday-5d13c21e4638?source=rss----8ce455de7926---4 https://medium.com/p/5d13c21e4638 Sun, 01 Nov 2026 01:12:24 GMT 2026-11-01T01:12:24.740Z <![CDATA[The Year I Stopped Writing “Optimized” Code]]>

Readability, maintenance, and when premature optimization actually hurts

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]]> https://medium.com/backend-engineers-club/the-year-i-stopped-writing-optimized-code-36d53e07db71?source=rss----8ce455de7926---4 https://medium.com/p/36d53e07db71 Thu, 29 Oct 2026 07:52:17 GMT 2026-10-29T07:52:16.257Z <![CDATA[My Page Ran One Query in Development and 5,000 in Production]]>

The N+1 problem: how a harmless-looking loop quietly fires one database query per row, and the two methods that collapse it back to one

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]]> https://medium.com/backend-engineers-club/my-page-ran-one-query-in-development-and-5-000-in-production-c6c5b69dfa85?source=rss----8ce455de7926---4 https://medium.com/p/c6c5b69dfa85 Wed, 28 Oct 2026 08:30:04 GMT 2026-10-28T08:30:04.559Z <![CDATA[Clean Code Is a Spectrum, Not a Standard]]>

When to apply SOLID, when to ignore it, and what actually keeps a team moving fast

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]]> https://medium.com/backend-engineers-club/clean-code-is-a-spectrum-not-a-standard-4fbabb4db3b3?source=rss----8ce455de7926---4 https://medium.com/p/4fbabb4db3b3 Tue, 27 Oct 2026 15:54:36 GMT 2026-10-27T15:54:35.346Z <![CDATA[Finding Bugs Just Got Cheap. Fixing Them Didn’t.]]>

AI moved the bottleneck in backend engineering. Most teams are still optimizing the wrong side.

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]]> https://medium.com/backend-engineers-club/finding-bugs-just-got-cheap-fixing-them-didnt-571d89d85035?source=rss----8ce455de7926---4 https://medium.com/p/571d89d85035 Sun, 25 Oct 2026 14:50:58 GMT 2026-10-25T14:50:58.391Z <![CDATA[What Service Companies Teach You That Product Companies Don’t]]>

In Sri Lanka’s tech scene, everyone tells you to “escape outsourcing.” Some of my most useful engineering skills came from staying in it.

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]]> https://medium.com/backend-engineers-club/what-service-companies-teach-you-that-product-companies-dont-c671fa54152c?source=rss----8ce455de7926---4 https://medium.com/p/c671fa54152c Sun, 25 Oct 2026 05:21:40 GMT 2026-10-25T05:21:40.760Z <![CDATA[I Built Five Functions in a Loop. They All Did the Same Thing.]]>

Why every function you create inside a for loop quietly captures the last value, and the one-word fix the Python docs give you

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]]> https://medium.com/backend-engineers-club/i-built-five-functions-in-a-loop-they-all-did-the-same-thing-ad1205882cb3?source=rss----8ce455de7926---4 https://medium.com/p/ad1205882cb3 Fri, 23 Oct 2026 08:38:29 GMT 2026-10-23T08:38:29.219Z <![CDATA[We Migrated a 10-Year-Old .NET App to .NET 9 and I Aged a Decade]]>

Nobody tells you about the crying. I’m kidding. Mostly.

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]]> https://medium.com/backend-engineers-club/we-migrated-a-10-year-old-net-app-to-net-9-and-i-aged-a-decade-9142da2eb1ef?source=rss----8ce455de7926---4 https://medium.com/p/9142da2eb1ef Wed, 21 Oct 2026 08:03:16 GMT 2026-10-21T08:03:15.370Z