{"version":"1.0","provider_name":"Sharpener Tech","provider_url":"https:\/\/www.sharpener.tech\/blog","author_name":"Sourav Pathak","author_url":"https:\/\/www.sharpener.tech\/blog\/author\/sourav\/","title":"Top 30 MERN Stack Developer Interview Questions and Answers (Freshers & Experienced Guide)","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"yMuNzREgWS\"><a href=\"https:\/\/www.sharpener.tech\/blog\/mern-stack-developer-interview-questions-and-answers\/\">Top 30 MERN Stack Developer Interview Questions and Answers for Freshers &amp; Experienced<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.sharpener.tech\/blog\/mern-stack-developer-interview-questions-and-answers\/embed\/#?secret=yMuNzREgWS\" width=\"600\" height=\"338\" title=\"&#8220;Top 30 MERN Stack Developer Interview Questions and Answers for Freshers &amp; Experienced&#8221; &#8212; Sharpener Tech\" data-secret=\"yMuNzREgWS\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/wordpress-prod.sharpener.tech\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Prepare for your next interview with the top 30 MERN Stack Developer interview questions and answers for freshers and experienced candidates. Learn React, Node.js, MongoDB, Express.js, APIs, authentication, and important concepts with detailed explanations.","thumbnail_url":"https:\/\/wordpress-prod.sharpener.tech\/wp-content\/uploads\/2026\/05\/MERN-stack-developer-1024x576.png"}