Pairlet Blog — JavaScript & Technical Interview Resources https://www.pairlet.dev/blog Practical JavaScript, TypeScript, and technical interviewing resources for software engineers and hiring managers. en-us Tue, 13 Oct 2026 00:00:00 GMT <![CDATA[System Design: API Rate Limiting Algorithms, Distributed Architecture & Implementation]]> https://www.pairlet.dev/blog/technical-interviews/system-design-rate-limiting-algorithms https://www.pairlet.dev/blog/technical-interviews/system-design-rate-limiting-algorithms Tue, 13 Oct 2026 00:00:00 GMT technical-interviews <![CDATA[Circuit Breaker Pattern in Node.js & Microservices: Architecture, States & Implementation]]> https://www.pairlet.dev/blog/technical-interviews/circuit-breaker-pattern-nodejs-microservices https://www.pairlet.dev/blog/technical-interviews/circuit-breaker-pattern-nodejs-microservices Tue, 13 Oct 2026 00:00:00 GMT technical-interviews <![CDATA[Mastering AbortController in JavaScript: Clean Cancellation, Timeouts & Async Patterns]]> https://www.pairlet.dev/blog/javascript/javascript-abortcontroller-cancellation-patterns https://www.pairlet.dev/blog/javascript/javascript-abortcontroller-cancellation-patterns Tue, 13 Oct 2026 00:00:00 GMT javascript <![CDATA[Backend Code Review Interview: API, Database & Security Exercises]]> https://www.pairlet.dev/blog/code-review/backend-code-review-interview https://www.pairlet.dev/blog/code-review/backend-code-review-interview Fri, 25 Sep 2026 00:00:00 GMT code-review <![CDATA[Code Review Interview vs Algorithm Interview: Which to Use?]]> https://www.pairlet.dev/blog/code-review/code-review-vs-algorithm-interview https://www.pairlet.dev/blog/code-review/code-review-vs-algorithm-interview Fri, 25 Sep 2026 00:00:00 GMT code-review <![CDATA[JavaScript Promise Combinators: Promise.all, allSettled, race & any Explained]]> https://www.pairlet.dev/blog/javascript/javascript-promise-all-settled-race-any https://www.pairlet.dev/blog/javascript/javascript-promise-all-settled-race-any Thu, 10 Sep 2026 00:00:00 GMT javascript <![CDATA[JavaScript Event Loop Demystified: Call Stack, Microtasks & Macrotasks]]> https://www.pairlet.dev/blog/javascript/javascript-event-loop-microtasks-macrotasks https://www.pairlet.dev/blog/javascript/javascript-event-loop-microtasks-macrotasks Thu, 10 Sep 2026 00:00:00 GMT javascript <![CDATA[JavaScript Prototype Chain & Prototypal Inheritance Interview Guide]]> https://www.pairlet.dev/blog/javascript/javascript-prototype-chain-inheritance https://www.pairlet.dev/blog/javascript/javascript-prototype-chain-inheritance Thu, 10 Sep 2026 00:00:00 GMT javascript <![CDATA[TypeScript Type Narrowing & Discriminated Unions: Interview Questions & Code]]> https://www.pairlet.dev/blog/typescript/typescript-type-narrowing-discriminated-unions https://www.pairlet.dev/blog/typescript/typescript-type-narrowing-discriminated-unions Thu, 10 Sep 2026 00:00:00 GMT typescript <![CDATA[Mastering TypeScript Utility Types: Partial, Required, Readonly, Record, Pick, Omit & Exclude]]> https://www.pairlet.dev/blog/typescript/typescript-utility-types-guide https://www.pairlet.dev/blog/typescript/typescript-utility-types-guide Thu, 10 Sep 2026 00:00:00 GMT typescript <![CDATA[Frontend Coding Interview Guide: DOM Manipulation, Async Utilities & State Management]]> https://www.pairlet.dev/blog/coding-interviews/front-end-coding-interview-questions https://www.pairlet.dev/blog/coding-interviews/front-end-coding-interview-questions Thu, 10 Sep 2026 00:00:00 GMT coding-interviews <![CDATA[How to Build an Async Concurrency Limiter (Task Pool) in JavaScript]]> https://www.pairlet.dev/blog/coding-interviews/implement-concurrency-limiter-javascript https://www.pairlet.dev/blog/coding-interviews/implement-concurrency-limiter-javascript Thu, 10 Sep 2026 00:00:00 GMT coding-interviews <![CDATA[How to Conduct Effective Live Coding Interviews: Best Practices & Scorecard]]> https://www.pairlet.dev/blog/technical-interviews/how-to-conduct-live-coding-interviews https://www.pairlet.dev/blog/technical-interviews/how-to-conduct-live-coding-interviews Thu, 10 Sep 2026 00:00:00 GMT technical-interviews <![CDATA[React Code Review Interview: Stale Closures in useEffect]]> https://www.pairlet.dev/blog/code-review/react-code-review-interview-questions https://www.pairlet.dev/blog/code-review/react-code-review-interview-questions Thu, 10 Sep 2026 00:00:00 GMT code-review <![CDATA[TypeScript Code Review Best Practices: Catching Any Types, Unsafe Casts & Mutability Bugs]]> https://www.pairlet.dev/blog/code-review/typescript-code-review-best-practices https://www.pairlet.dev/blog/code-review/typescript-code-review-best-practices Thu, 10 Sep 2026 00:00:00 GMT code-review <![CDATA[JavaScript Interview Questions: 25 Questions You Should Know]]> https://www.pairlet.dev/blog/javascript/javascript-interview-questions https://www.pairlet.dev/blog/javascript/javascript-interview-questions Tue, 08 Sep 2026 00:00:00 GMT javascript <![CDATA[JavaScript Coding Interview: What to Expect and How to Prepare]]> https://www.pairlet.dev/blog/javascript/javascript-coding-interview https://www.pairlet.dev/blog/javascript/javascript-coding-interview Tue, 08 Sep 2026 00:00:00 GMT javascript <![CDATA[Key JavaScript Async Interview Questions]]> https://www.pairlet.dev/blog/javascript/javascript-async-interview-questions https://www.pairlet.dev/blog/javascript/javascript-async-interview-questions Tue, 08 Sep 2026 00:00:00 GMT javascript <![CDATA[JavaScript Closures Explained for Coding Interviews]]> https://www.pairlet.dev/blog/javascript/javascript-closures-interview https://www.pairlet.dev/blog/javascript/javascript-closures-interview Tue, 08 Sep 2026 00:00:00 GMT javascript <![CDATA[JavaScript Array Interview Questions and Practice Problems]]> https://www.pairlet.dev/blog/javascript/javascript-array-interview-questions https://www.pairlet.dev/blog/javascript/javascript-array-interview-questions Tue, 08 Sep 2026 00:00:00 GMT javascript <![CDATA[TypeScript Interview Questions and Type System Guide]]> https://www.pairlet.dev/blog/typescript/typescript-interview-questions https://www.pairlet.dev/blog/typescript/typescript-interview-questions Tue, 08 Sep 2026 00:00:00 GMT typescript <![CDATA[TypeScript Coding Interview: 4 Problems to Practice]]> https://www.pairlet.dev/blog/typescript/typescript-coding-interview https://www.pairlet.dev/blog/typescript/typescript-coding-interview Tue, 08 Sep 2026 00:00:00 GMT typescript <![CDATA[TypeScript Generics: Interview Questions and Practical Examples]]> https://www.pairlet.dev/blog/typescript/typescript-generics-interview https://www.pairlet.dev/blog/typescript/typescript-generics-interview Tue, 08 Sep 2026 00:00:00 GMT typescript <![CDATA[Live Coding Interviews: A Practical Guide for Interviewers]]> https://www.pairlet.dev/blog/coding-interviews/live-coding-interview https://www.pairlet.dev/blog/coding-interviews/live-coding-interview Tue, 08 Sep 2026 00:00:00 GMT coding-interviews <![CDATA[Coding Interview Problems for JavaScript Developers]]> https://www.pairlet.dev/blog/coding-interviews/coding-interview-problems https://www.pairlet.dev/blog/coding-interviews/coding-interview-problems Tue, 08 Sep 2026 00:00:00 GMT coding-interviews <![CDATA[Technical Interview Questions: How to Evaluate Software Engineers]]> https://www.pairlet.dev/blog/technical-interviews/technical-interview-questions https://www.pairlet.dev/blog/technical-interviews/technical-interview-questions Tue, 08 Sep 2026 00:00:00 GMT technical-interviews <![CDATA[Senior Backend Interview Questions for Engineering Managers]]> https://www.pairlet.dev/blog/technical-interviews/senior-backend-interview-questions https://www.pairlet.dev/blog/technical-interviews/senior-backend-interview-questions Tue, 08 Sep 2026 00:00:00 GMT technical-interviews <![CDATA[Code Review Interviews: How to Run One and What to Evaluate]]> https://www.pairlet.dev/blog/code-review/code-review-interview https://www.pairlet.dev/blog/code-review/code-review-interview Tue, 08 Sep 2026 00:00:00 GMT code-review <![CDATA[Code Review Interview Questions and Exercises]]> https://www.pairlet.dev/blog/code-review/code-review-interview-questions https://www.pairlet.dev/blog/code-review/code-review-interview-questions Tue, 08 Sep 2026 00:00:00 GMT code-review <![CDATA[Remote Coding Interviews: How to Run Better Technical Interviews]]> https://www.pairlet.dev/blog/coding-interviews/remote-coding-interview https://www.pairlet.dev/blog/coding-interviews/remote-coding-interview Tue, 08 Sep 2026 00:00:00 GMT coding-interviews