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Master the Modern Interview

259 articles on answering well, preparing faster, and walking in with the confidence you earned.

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The Huru mascot taps the top node of a glowing network on a glass board, and only the nodes connected below it light up, next to a laptop showing code

Technical Interviews

Angular Interview Questions and Answers (2026): Signals, Zoneless, RxJS and Angular 22

Angular interview questions with answers checked against angular.dev and the Angular team's release posts: components and standalone, templates and control flow, signals (computed, effect, linkedSignal, resource), change detection with OnPush and zoneless, dependency injection with inject() and @Service, RxJS, routing and guards, Signal Forms, HTTP, @defer and SSR, testing with Vitest, what changed in Angular 21 and 22, output puzzles and coding exercises.

17 min read

The Huru mascot stands inside a glowing circular glass track as small task cards travel around it, picking up one that glows green, with a laptop and small server blocks behind

Technical Interviews

Node.js Interview Questions and Answers (2026): Event Loop, Streams, Modules and Node 26

Node.js interview questions with answers checked against the Node.js documentation and release notes: the event loop and its phases, process.nextTick vs setImmediate, the libuv thread pool, async patterns and error handling, EventEmitter, streams and backpressure, CommonJS vs ES modules and require(esm), worker threads vs cluster, Express 5, security, debugging, the built-in test runner, TypeScript type stripping, Node 22, 24 and 26, output puzzles and coding exercises.

14 min read

The Huru mascot pushes two frosted-glass tables together, and the matching rows glow green where they meet, next to a laptop showing code

Technical Interviews

SQL Interview Questions and Answers (2026): Joins, Window Functions, Indexes and Practice Queries

SQL interview questions with answers and runnable queries, checked against the PostgreSQL and SQL Server documentation: the order a query runs in, joins and the LEFT JOIN trap, NULLs and NOT IN, GROUP BY and HAVING, subqueries and recursive CTEs, window functions (ROW_NUMBER, RANK, DENSE_RANK, LAG, running totals), indexes and EXPLAIN, transactions and isolation levels, database design, dialect differences, and eight practice problems with solutions.

14 min read

The Huru mascot places a glowing yellow block on a staircase of indented frosted-glass blocks, next to a laptop showing indented code

Technical Interviews

Python Interview Questions and Answers (2026): Core Python, OOP, Concurrency, Python 3.15 and Coding Exercises

Python interview questions with answers and code, checked against the Python documentation and FAQ: mutability, copying and hashing, functions, closures and decorators, generators and context managers, classes, MRO and dataclasses, exceptions, the GIL, threads vs processes vs asyncio, the free-threaded build, type hints, performance, testing and tooling, what's new in Python 3.14 and 3.15, output puzzles and coding exercises with solutions.

14 min read

The Huru mascot snaps a glowing amber block into a tree of frosted-glass blocks shaped like a class hierarchy, next to a steaming coffee mug and a laptop showing code

Technical Interviews

Java Interview Questions and Answers (2026): Core Java, OOP, Collections, Concurrency, Java 25 and Coding Exercises

Java interview questions with answers and code, checked against the Java Language Specification, the JDK documentation and openjdk.org: JDK vs JRE vs JVM, pass-by-value, == vs equals, the equals and hashCode contract, strings, OOP, records and sealed classes, exceptions, collections and how HashMap works, streams, synchronized, volatile and virtual threads, garbage collection, what's new from Java 21 to Java 27, output puzzles and coding exercises with solutions.

24 min read

The Huru mascot plugs a glowing green glass module into a transparent board of connected modules, next to a sprouting plant and a laptop showing code and a dashboard

Technical Interviews

Spring Boot Interview Questions and Answers (2026): Spring Core, Auto-configuration, REST, JPA, Transactions, Security and Spring Boot 4

Spring Boot interview questions with answers and code, checked against the Spring reference docs and release notes: dependency injection and bean scopes, @SpringBootApplication and auto-configuration, starters and externalized configuration, REST controllers, validation and ProblemDetail errors, Spring Data JPA and the N+1 problem, @Transactional pitfalls, Spring Security, testing with @WebMvcTest and @MockitoBean, Actuator, virtual threads, what changed in Spring Boot 4 and Spring Framework 7, and production scenario questions.

18 min read

The Huru mascot looks through a glass magnifying glass at a floating dashboard of glass charts, with one highlighted point on a line chart, next to glass cubes and a laptop showing a spreadsheet

Technical Interviews

Data Analyst Interview Questions and Answers (2026): SQL, Excel, Python, Power BI, Statistics, Case Studies and Behavioral

Data analyst interview questions with answers, SQL and pandas code you can run, and case-study frameworks: the interview stages, SQL window functions for growth, ranking, deduplication and retention, Excel lookups and pivot tables, Python and pandas 3, Power BI and DAX, statistics, p-values and A/B tests, Simpson's paradox, metrics and product sense, data cleaning, visualization, case studies, and behavioral questions.

14 min read

The Huru mascot points at a browser window shown as three layers: grey structure boxes, colored styled boxes, and a front layer with a gear and a cursor

Technical Interviews

Front-End Developer Interview Questions and Answers (2026): HTML, CSS, JavaScript and System Design

Front-end developer interview questions with answers checked against MDN, web.dev and the W3C: semantic HTML, script loading and accessibility (WCAG 2.2), the CSS box model, specificity and Flexbox vs Grid, JavaScript closures, the event loop and event delegation, browser performance and Core Web Vitals, security, front-end system design, coding exercises, and questions for junior and senior roles.

10 min read

The Huru mascot places a small glowing sphere on the fast inner lane of a circular conveyor that also carries larger blue cubes, next to a laptop showing code

Technical Interviews

JavaScript Interview Questions and Answers (2026): Concepts, Output Puzzles and Coding Exercises

JavaScript interview questions with answers checked against MDN and TC39: types and coercion, equality, hoisting and the temporal dead zone, closures, this, prototypes and classes, the event loop and async/await, promise combinators, Map, Set and structuredClone, modules, what ES2023 to ES2026 added, output-prediction puzzles with explanations, and coding exercises with solutions (debounce, throttle, Promise.all, curry, memoize).

9 min read

The Huru mascot fits a square block into the matching square hole of a shape-sorter toy, which glows green, next to a laptop showing code

Technical Interviews

TypeScript Interview Questions and Answers (2026): Types, Generics, TypeScript 7 and Coding Exercises

TypeScript interview questions with answers checked against the TypeScript handbook, the TypeScript team's release posts and the Node.js docs: type vs interface, any, unknown and never, structural typing, narrowing and discriminated unions, generics and constraints, keyof, mapped and conditional types, utility types, satisfies, enums vs unions, tsconfig and strict mode, TypeScript 6.0 and 7.0 (the native Go compiler), running TypeScript in Node.js, TypeScript with React, type puzzles and utility-type exercises.

9 min read

The Huru mascot places the last block into a floating tree of colored component blocks, next to a laptop showing code

Technical Interviews

React Interview Questions and Answers (2026): Hooks, React 19 and Senior Scenarios

React interview questions with answers checked against the official React docs: rendering and the 'virtual DOM' question, components and state, the Rules of Hooks, useEffect and when you don't need it, keys, performance and the React Compiler, React 19 (Actions, useActionState, use, Server Components), 19.2 and 19.3, error boundaries, senior scenario questions and behavioral questions.

13 min read