Security questions every senior backend engineer should handle

<p>I've been writing software professionally since 2011.</p> <p>Java, C#, Kotlin, Node.js. Enterprise backends, microservices, APIs, data pipelines. I've shipped production code

<p>Most people study for backend interviews by reading system design books and trying to memorize architectures. They learn to draw boxes labeled Database and Cache.</p> <p>That

<h1> 7 Backend Security Mistakes Node.js Developers Should Avoid 🔐 </h1> <p>Building a Node.js backend that works is one thing.</p> <p>Building a backend that remains secure in

<p>The database section is where senior backend interviews get decided, because it is the hardest area to fake. You either have read a query plan or you have not, and the

<p>Why Your Supabase Data Is Exposed (And You Don’t Know It)</p> <p><em>The four RLS mistakes that silently leak production data — and how to verify your policies actually

<p>Most APIs are vulnerable — and attackers know it.</p> <p>In 2026, API breaches aren’t about complex hacks…<br /><br /> they’re about simple mistakes developers still make every

<p>A deal is going well. Then their security team joins the thread, and you get some version of this:</p> <blockquote> <p>Please complete the attached vendor security assessment

<p>Most companies shipping AI have never once tried to break it.</p> <p>Not because they don't care about security. Because they assume the model handles it. The model was trained