{"id":26093,"date":"2022-09-23T08:00:00","date_gmt":"2022-09-23T06:00:00","guid":{"rendered":"https:\/\/www.freelancermap.com\/blog\/?p=26093"},"modified":"2026-03-11T11:23:54","modified_gmt":"2026-03-11T10:23:54","slug":"what-does-hadoop-developer-do","status":"publish","type":"post","link":"https:\/\/www.freelancermap.com\/blog\/what-does-hadoop-developer-do\/","title":{"rendered":"What does a Hadoop Developer do?"},"content":{"rendered":"\n<p><strong>Hadoop developer &#8211; the role involves creating apps that help manage Big Data for a company. They are tasked with the programming, design, and development of Hadoop applications in the Big Data domain. What does the Hadoop developer do?<\/strong><\/p>\n\n\n<div class=\"mks_col \">\n<div class=\"mks_one_third \"><div class=\"su-box su-box-style-default\" id=\"\" style=\"border-color:#000a1c;border-radius:3px;\"><div class=\"su-box-title\" style=\"background-color:#2c3d4f;color:#FFFFFF;border-top-left-radius:1px;border-top-right-radius:1px\">Role overview<\/div><div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"border-bottom-left-radius:1px;border-bottom-right-radius:1px\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"#Hadoop\">What&#8217;s Hadoop<\/a><\/span><br \/><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"#Responsibilities\">Responsibilities<\/a><\/span><br \/><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"#Skills\">Skills<\/a><\/span><br \/><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"#Background\">Background<\/a><\/span><br \/><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"#Salary\">Salary<\/a><\/span><br \/><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"#JobDescription\">Job description<\/a><\/span><\/div><\/div><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">What is Hadoop?<\/h2>\n\n\n\n<p><strong>Hadoop <\/strong>comes from the <strong>Apache Foundation<\/strong> and is an open-source, Java-based software framework with which you can process large amounts of data on complex distributed systems at high speed. It is suitable for dealing with <strong>data processing<\/strong> in a <strong>big data environment<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"960\" height=\"720\" data-src=\"https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities-skill-background-salary.jpg\" alt=\"The role of a Hadoop Developer - Responsibilities, Skills, Background and Salary\" class=\"wp-image-26096 lazyload\" data-srcset=\"https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities-skill-background-salary.jpg 960w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities-skill-background-salary-300x225.jpg 300w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities-skill-background-salary-768x576.jpg 768w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities-skill-background-salary-720x540.jpg 720w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities-skill-background-salary-580x435.jpg 580w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities-skill-background-salary-320x240.jpg 320w\" data-sizes=\"(max-width: 960px) 100vw, 960px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 960px; --smush-placeholder-aspect-ratio: 960\/720;\" \/><figcaption class=\"wp-element-caption\">Hadoop Developer &#8211; Role Overview<\/figcaption><\/figure>\n\n\n\n<p><strong>Hadoop is written in the Java programming language<\/strong> and is freely available as Apache source code.<\/p>\n\n\n\n<p>The main core modules of the Hadoop framework are:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hadoop Common<\/strong><\/li>\n\n\n\n<li><strong>Hadoop Distributed File System (HDFS)<\/strong><\/li>\n\n\n\n<li><strong>MapReduce<\/strong><\/li>\n\n\n\n<li><strong>Yet Another Resource Negotiator (YARN)<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>The Hadoop Common<\/strong> provides the general libraries and utilities for the other components of the software. This includes, for example, the <strong>Java archive files and scripts<\/strong> for starting the software.<\/p>\n\n\n\n<p><strong>The Hadoop Distributed File System (HDFS)<\/strong> is a distributed file system with which data can be stored on different systems in a network of computers. This enables the storage of large amounts of data. <\/p>\n\n\n\n<p>According to Apache, <strong>HDFS is able to manage several hundred million pieces of data<\/strong>. The file system also includes mechanisms for duplicating data in the event of a failure of individual computers.<\/p>\n\n\n\n<p>The<strong> central engine of Hadoop<\/strong> is the <strong>MapReduce<\/strong> algorithm, the main features of which were developed by Google. <\/p>\n\n\n\n<p>The algorithm provides various functions that allow complex and computationally intensive tasks to be broken down into many small individual parts on several computers and for those tasks to then be parallel processed. This results in a <strong>high computing speed<\/strong>. <\/p>\n\n\n\n<p>The <strong>MapReduce algorithm<\/strong> brings the partial results together at the end to form an overall result.<\/p>\n\n\n\n<p>The <strong>Yet Another Resource Negotiator (YARN)<\/strong> is a kind of <strong>supplement to the MapReduce algorithm<\/strong>. It can manage the resources in a network of computers and dynamically assign the resources of a cluster to different jobs.&nbsp;<\/p>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background\" style=\"color:#ffffff;background-color:#41c0eb;font-size:18px\"><strong>Interested in working with Hadoop?<br><\/strong> \ud83d\udd0e <strong><a href=\"https:\/\/www.freelancermap.com\/it-projects.html?filter=&amp;newQuery=&amp;continents=&amp;countries=&amp;states=&amp;city=&amp;radius=&amp;query=hadoop&amp;excludeDachProjects=0&amp;sort=1?utm_source=blog&amp;utm_campaign=projects&amp;utm_medium=button&amp;utm_content=career-en\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\">Find Hadoop Developer jobs<\/a><\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Responsibilities\">Responsibilities of a Hadoop Developer<\/h2>\n\n\n\n<p>The r<strong>esponsibilities of a Hadoop Developer<\/strong> may vary depending on the sector and company they work in, though generally, a Hadoop Developer is responsible for the <strong>actual coding, development, and design of the Hadoop applications.&nbsp;<\/strong><\/p>\n\n\n\n<p>A <strong>Hadoop developer <\/strong>must be able to <strong>write programs according to system designs <\/strong>and have <strong>adequate knowledge of coding and programming.<\/strong> They are generally in charge of <strong>writing MapReduce coding<\/strong> to help create new Hadoop clusters.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"960\" height=\"720\" data-src=\"https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities.jpg\" alt=\"Responsibilities of a Hadoop Developer\" class=\"wp-image-26097 lazyload\" data-srcset=\"https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities.jpg 960w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities-300x225.jpg 300w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities-768x576.jpg 768w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities-720x540.jpg 720w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities-580x435.jpg 580w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-responsibilities-320x240.jpg 320w\" data-sizes=\"(max-width: 960px) 100vw, 960px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 960px; --smush-placeholder-aspect-ratio: 960\/720;\" \/><figcaption class=\"wp-element-caption\">Responsibilities of a Hadoop Developer<\/figcaption><\/figure>\n\n\n\n<p>The <strong>tasks of the Hadoop developer<\/strong> are similar to that of the software developer but are in the area of \u200b\u200bBig Data. The Hadoop developer&#8217;s duties also include<strong> understanding and working to find solutions to problems. <\/strong>They must be able to convert complex processes into detailed and functional designs.<\/p>\n\n\n\n<p>A Hadoop expert also <strong>designs and develops web applications<\/strong> to help query and track data. They are also then responsible for <strong>maintaining the privacy and security of the data <\/strong>and analyzing it to obtain insights.<\/p>\n\n\n\n<p>Additionally, they are also tasked with handling Hadoop log files, testing out software prototypes, and pre-processing data using software like <a href=\"https:\/\/www.freelancermap.com\/freelancers-directory\/hive-5055\">Hive<\/a> and Pig.&nbsp;<\/p>\n\n\n\n<p><strong>Day to day tasks and responsibilities:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Design and development of Hadoop applications<\/li>\n\n\n\n<li>Writing programs according to system designs<\/li>\n\n\n\n<li>Writing MapReduce coding to create new Hadoop clusters<\/li>\n\n\n\n<li>Monitor and manage Hadoop cluster job performance capacity planning, plus security<\/li>\n\n\n\n<li>Pre-processing data using Pig and Hive software<\/li>\n\n\n\n<li>Understanding and finding solutions to problems<\/li>\n\n\n\n<li>Converting complex processes into detailed and functional designs<\/li>\n\n\n\n<li>Designing and developing web applications for querying and tracking data<\/li>\n\n\n\n<li>Maintaining the privacy and security of data<\/li>\n\n\n\n<li>Analyzing data to obtain insights<\/li>\n\n\n\n<li>Handling Hadoop log files<\/li>\n\n\n\n<li>Testing software prototypes<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Skills\">Skills &amp; Knowledge Required<\/h2>\n\n\n\n<p>A crucial skill required for the role of a Hadoop Developer is the <strong>ability to write high-performance, good code.<\/strong> <\/p>\n\n\n\n<p>In-depth<strong> knowledge of the Hadoop system<\/strong> and its various components are also a must as is the<strong> knowledge of database practices and theories.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"960\" height=\"720\" data-src=\"https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-skills.jpg\" alt=\"Hadoop Developer - Skills Required\" class=\"wp-image-26098 lazyload\" data-srcset=\"https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-skills.jpg 960w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-skills-300x225.jpg 300w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-skills-768x576.jpg 768w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-skills-720x540.jpg 720w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-skills-580x435.jpg 580w, https:\/\/www.freelancermap.com\/blog\/wp-content\/uploads\/2020\/11\/hadoop-developer-skills-320x240.jpg 320w\" data-sizes=\"(max-width: 960px) 100vw, 960px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 960px; --smush-placeholder-aspect-ratio: 960\/720;\" \/><figcaption class=\"wp-element-caption\">Hadoop Developer &#8211; Skills Required<\/figcaption><\/figure>\n\n\n\n<p>Technical skills for the role of a Hadoop developer include the ability <strong>to problem-solve, analyze,<\/strong> and implement data in the <strong>Big Data domain.<\/strong> <\/p>\n\n\n\n<p>Skills in <strong>working with schedulers like Oozie <\/strong>are important and you must also be familiar with<strong> data-loading tools like Sqoop and have experience with HiveQL.<\/strong><\/p>\n\n\n\n<p>Proficient knowledge of <strong>Pig, Hive,<\/strong> and HBase is crucial. You must also have hands-on experience with writing Pig Scripts and MapReduce jobs as well as knowledge of backend programmings like <strong>OOAD, JavaScript, and Java.<\/strong><\/p>\n\n\n\n<p><strong>Skills required for a Hadoop Developer:&nbsp;<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In-depth knowledge of the Hadoop system and its various components<\/li>\n\n\n\n<li>Knowledge of database practices and theories<\/li>\n\n\n\n<li>Experience with writing MapReduce jobs<\/li>\n\n\n\n<li>Ability to problem-solve, analyze and implement data in the Big Data domain<\/li>\n\n\n\n<li>Working with schedulers like Oozie<\/li>\n\n\n\n<li>Familiarity with data loading tools like Sqoop and Flume\u00a0<\/li>\n\n\n\n<li>Experience working with Hive queries (MapReduce), Spark programming\u00a0<\/li>\n\n\n\n<li>Proficient knowledge of Pig, Hive, and HBase<\/li>\n\n\n\n<li>Knowledge of backend programming like Java and JavaScript<\/li>\n\n\n\n<li>Knowledge of Linux and Shell scripting<\/li>\n\n\n\n<li>Strong analytical and problem-solving skills<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background\" style=\"color:#ffffff;background-color:#41c0eb;font-size:18px\"><strong>Looking for a Hadoop Developer?<br><\/strong><a href=\"https:\/\/www.freelancermap.com\/freelancers-directory.html?filter=&amp;newQuery=&amp;continents=&amp;countries=&amp;states=&amp;city=&amp;radius=&amp;query=hadoop&amp;excludeDachRegion=0&amp;sort=1?utm_source=blog&amp;utm_campaign=freelancers&amp;utm_medium=button&amp;utm_content=career-en\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\"> <strong>\ud83d\udc68\ud83c\udffb\u200d\ud83d\udcbb<\/strong> <strong>Hadoop Developers for hire<\/strong><\/a><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Background\">Background<\/h2>\n\n\n\n<p><strong>A Bachelor\u2019s Degree<\/strong> is often the first step to becoming a Hadoop Developer. Anything from a<strong> Computer Science degree<\/strong> to a degree in Analytics, Physics, Mathematics, or Statistics is acceptable so long as there is a connection to IT.<\/p>\n\n\n\n<p><strong>Training and certification<\/strong> also go a long way and luckily, there are various certification programs and courses online for you to choose from. Check out some options for certification below:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a aria-label=\" (opens in a new tab)\" href=\"https:\/\/www.simplilearn.com\/big-data-and-analytics\/big-data-and-hadoop-training?source=article-data-table\" target=\"_blank\" rel=\"noreferrer noopener\">Big Data Hadoop Certification Training Course<\/a><\/li>\n\n\n\n<li><a aria-label=\" (opens in a new tab)\" href=\"https:\/\/www.udemy.com\/course\/cca-175-spark-certification-hadoop\/?utm_source=adwords&amp;utm_medium=udemyads&amp;utm_campaign=DSA_Catchall_la.EN_cc.INDIA&amp;utm_content=deal4584&amp;utm_term=_._ag_82569850245_._ad_437477497173_._kw__._de_c_._dm__._pl__._ti_dsa-841699838103_._li_9062263_._pd__._&amp;matchtype=b&amp;gclid=CjwKCAiAtej9BRAvEiwA0UAWXtzs-7HuQNCA0mhv2s6uc9MgYkR3FpryLdV9ouWQNLvKXW9DiVO6aBoC3qQQAvD_BwE\" target=\"_blank\" rel=\"noreferrer noopener\">Cloudera CCA 175 Spark Developer Certification: Hadoop Based<\/a><\/li>\n\n\n\n<li><a aria-label=\" (opens in a new tab)\" href=\"https:\/\/www.koenig-solutions.com\/hadoop-developer-training-certification-course?utm_source=quora&amp;utm_campaign=ks-organic&amp;utm_medium=hadoop-developer\" target=\"_blank\" rel=\"noreferrer noopener\">Hadoop Developer with Spark Certification Training Course<\/a><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Salary\">Hadoop Developer Salary<\/h2>\n\n\n\n<p>The<strong> salary of a Hadoop Developer<\/strong> can vary depending on the role and industry they are in.<\/p>\n\n\n\n<p>Entry-level developers and beginners can earn approximately <strong>$68,000 <\/strong>annually. The average salary for Hadoop developers with a few years of experience is <strong>$86,000 <\/strong>whereas for senior developers, the salary can go up to <strong>$108,000.<\/strong><\/p>\n\n\n\n<p>The salary range in Germany for Hadoop Developers is between <strong>\u20ac41,000<\/strong> to <strong>\u20ac90,500<\/strong> while in the UK, it ranges from <strong>\u00a325,000<\/strong> to <strong>\u00a3100,000<\/strong>.<\/p>\n\n\n\n<p><strong>How much does a Hadoop Developer make?<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Junior<\/td><td class=\"has-text-align-center\" data-align=\"center\">$68,000<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Average<\/td><td class=\"has-text-align-center\" data-align=\"center\">$86,000<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Senior<\/td><td class=\"has-text-align-center\" data-align=\"center\">$108,000<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>What does a freelance Hadoop Developer earn?<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td> Average rate Hadoop Developers (2022) <\/td><td class=\"has-text-align-center\" data-align=\"center\">$90\/hr<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>On average, <strong>freelance Hadoop Developers charge $90\/hour <\/strong>(freelancermap\u2019s price and rate index in September 2022). <\/p>\n\n\n\n<p>Freelance rates in Hadoop Development range between <strong>$51 and $103 <\/strong>for the majority of freelancers. <\/p>\n\n\n\n<p>Considering a freelance rate of $90\/hour, a <strong>freelancer would charge $720\/day<\/strong> for an 8-hour working day. <\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"JobDescription\">Hadoop Developer Job Description Template<\/h2>\n\n\n\n<p>Hadoop has become an essential part of developing and managing complex data system. If you\u2019re in need of an expert who can take care of your data system, here\u2019s a <strong>useful job description template <\/strong>that will help you <strong>find the perfect Hadoop developer<\/strong>:<\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#f3f3f3\">We are seeking a Hadoop Developer who can help us build Big Data storage software and infrastructure. Your primary job will be to design, develop and maintain applications using Hadoop. You must also have the ability to analyze, implement and track data and provide insights.<br><br><strong>Responsibilities:&nbsp;<\/strong><br>&#8211; Design and develop Hadoop applications<br>&#8211; Pre-process data using Pig and Hive software<br>&#8211; Write MapReduce coding to create new Hadoop clusters<br>&#8211; Understand and find solutions to any potential problems<br>&#8211; Convert complex processes into detailed and functional designs<br>&#8211; Design and develop web applications for querying and tracking data<br>-Analyze data to obtain insights<br><br><strong>Skills:&nbsp;<\/strong><br><br>&#8211; In-depth knowledge of the Hadoop system and its various components<br>&#8211; Experience with writing MapReduce jobs<br>&#8211; You have the ability to problem-solve, analyze and implement data on Big Data domain<br>&#8211; Familiar with data-loading tools like Sqoop and Flume&nbsp;<br>&#8211; You have proficient knowledge of Pig, Hive and HBase<br>&#8211; Knowledge on backend programming like Java and JavaScript<br>&#8211; You have strong analytical and problem-solving skills&nbsp;<\/p>\n\n\n\n<p>We hope this project description has been helpful. Be sure to check out our <a href=\"https:\/\/www.freelancermap.com\/blog\/freelance-project-description\/\">tips on publishing a good project description<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Other interesting job profiles<\/h2>\n\n\n\n\n<ul class=\"su-posts su-posts-list-loop \">\n\n\t\t\t\t\t\t\n\t\t\t\n\t\t\t<li id=\"su-post-25542\" class=\"su-post \">\n\t\t\t\t<a href=\"https:\/\/www.freelancermap.com\/blog\/what-does-pacs-administrator-do\/\">What does a PACS Administrator do?<\/a>\n\t\t\t<\/li>\n\n\t\t\t\t\t\n\t\t\t\n\t\t\t<li id=\"su-post-5604\" class=\"su-post \">\n\t\t\t\t<a href=\"https:\/\/www.freelancermap.com\/blog\/what-does-hiring-manager-do\/\">What does a Hiring Manager do?<\/a>\n\t\t\t<\/li>\n\n\t\t\t\t\t\n\t\t\t\n\t\t\t<li id=\"su-post-5707\" class=\"su-post \">\n\t\t\t\t<a href=\"https:\/\/www.freelancermap.com\/blog\/what-does-tax-advisor-do\/\">What does a Tax Advisor do?<\/a>\n\t\t\t<\/li>\n\n\t\t\t\n<\/ul>\n\n\n\n\n<p> \u00bb\u00a0<a href=\"https:\/\/www.freelancermap.com\/blog\/freelance-job-profiles-it-roles\/#job-profiles-other\">More job profiles<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hadoop developer &#8211; the role involves creating apps that help manage Big Data for a company. They are tasked with the programming, design, and development of Hadoop applications in the Big Data domain. What does the Hadoop developer do?<\/p>\n","protected":false},"author":1,"featured_media":26134,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[2993,3974],"tags":[3419,3413],"class_list":["post-26093","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-careers","category-software-development","tag-career-insights","tag-job-profiles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What does a Hadoop Developer do? | Career Insights | Job Profile<\/title>\n<meta name=\"description\" content=\"\u2713 Responsibilities \u2713 Background \u2713 Skills \u2713 Salary \u2713Average freelance hourly rate \u2794 Learn more about what a Hadoop Developer does!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.freelancermap.com\/blog\/what-does-hadoop-developer-do\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What does a Hadoop Developer do? 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