{"id":168341,"date":"2023-05-31T14:38:11","date_gmt":"2023-05-31T13:38:11","guid":{"rendered":"https:\/\/datascientest.com\/en\/?p=168341"},"modified":"2023-10-30T19:09:14","modified_gmt":"2023-10-30T18:09:14","slug":"all-about-back-end","status":"publish","type":"post","link":"https:\/\/datascientest.com\/en\/all-about-back-end","title":{"rendered":"Back end : A complete overview on its relevance in Data Science"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"168341\" class=\"elementor elementor-168341\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-07a32e8 e-flex e-con-boxed e-con\" data-id=\"07a32e8\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-43fb10b elementor-widget elementor-widget-heading\" data-id=\"43fb10b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">The back end is essential for web development, but also for Data Science and Machine Learning. Find out all you need to know about it, and how to follow a dedicated training course.<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-059cf6a elementor-widget elementor-widget-text-editor\" data-id=\"059cf6a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>Today, we use a wide range of software applications, on PCs and mobiles, for both entertainment and business. If an application delivers a smooth, intuitive experience, it&#8217;s largely thanks to its &#8220;backend&#8221; performing all the essential tasks in the background.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9484daa e-flex e-con-boxed e-con\" data-id=\"9484daa\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-55b2c1b elementor-widget elementor-widget-heading\" data-id=\"55b2c1b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What is backend development?\n<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2fb8981 elementor-widget elementor-widget-text-editor\" data-id=\"2fb8981\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">In web development, activities carried out in the background of programs are referred to as back-end development.<\/span><\/p><p><span style=\"font-weight: 400;\">This concept covers the logic, integration, and server-side activities of a web application. Examples include <\/span><b>writing APIs<\/b><span style=\"font-weight: 400;\">, <\/span><b>creating libraries<\/b><span style=\"font-weight: 400;\">, and <\/span><b>working on system components<\/b><span style=\"font-weight: 400;\">. Conversely, <\/span><a href=\"https:\/\/datascientest.com\/en\/front-end-what-are-the-skills-and-tools\"><span style=\"font-weight: 400;\">front-end development<\/span><\/a><span style=\"font-weight: 400;\"> focuses on the services and programs that users will encounter.<\/span><\/p><p><span style=\"font-weight: 400;\">Back-end developers build the computer code that enables a database to communicate with an application. They maintain the back end of a website, including <\/span><a href=\"https:\/\/datascientest.com\/en\/database-what-is-it\"><span style=\"font-weight: 400;\">its databases<\/span><\/a><span style=\"font-weight: 400;\"> and servers.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-585e42c e-flex e-con-boxed e-con\" data-id=\"585e42c\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e15a967 elementor-widget elementor-widget-heading\" data-id=\"e15a967\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What is a back-end developer?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f87c168 elementor-widget elementor-widget-text-editor\" data-id=\"f87c168\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">The back-end developer&#8217;s job focuses on writing code, scripting, and architecting a website that communicates with the site&#8217;s database and the user&#8217;s web browser. They must ensure data consistency and integrity.<\/span><\/p><p><span style=\"font-weight: 400;\">This role requires a wide range of <\/span><b>technical skills<\/b><span style=\"font-weight: 400;\">. The backend developer must be able to create code that performs relational mapping to <\/span><b>retrieve data from a database<\/b><span style=\"font-weight: 400;\">. They understand how DBMS such as MySQL, PostgreSQL, SQL Server, <\/span><a href=\"https:\/\/datascientest.com\/en\/mongodb-all-about-the-document-oriented-nosql-database\"><span style=\"font-weight: 400;\">MongoDB<\/span><\/a><span style=\"font-weight: 400;\">, and Oracle Database work.<\/span><\/p><p><span style=\"font-weight: 400;\">Back-end developers also master back-end <\/span><a href=\"https:\/\/datascientest.com\/en\/python-the-most-popular-programming-language\"><span style=\"font-weight: 400;\">programming languages such as Python<\/span><\/a><span style=\"font-weight: 400;\">. This simple, versatile language is the most widely used and enables backend development via frameworks such as <\/span><a href=\"https:\/\/datascientest.com\/en\/django-all-about-the-python-web-development-framework\"><span style=\"font-weight: 400;\">Django<\/span><\/a><span style=\"font-weight: 400;\"> and Flask.<\/span><\/p><p><span style=\"font-weight: 400;\">JavaScript environments such as<\/span><b> NodeJS <\/b><span style=\"font-weight: 400;\">and <\/span><b>ExpressJS<\/b><span style=\"font-weight: 400;\"> are also used. In particular, Java was designed from the outset for use on the server. Popular Java frameworks include <\/span><b>Spring<\/b><span style=\"font-weight: 400;\"> and <\/span><b>Java Server Faces<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p><span style=\"font-weight: 400;\">On Windows systems, the <\/span><b>C# language<\/b><span style=\"font-weight: 400;\"> is the recommended architecture for backend programming. Other commonly used languages include PHP, Perl, and Ruby.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-48dd854 elementor-align-center button-principal elementor-widget elementor-widget-button\" data-id=\"48dd854\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/datascientest.com\/en\/data-engineer-course\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Start a career in Data Engineering<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10f033c elementor-widget elementor-widget-text-editor\" data-id=\"10f033c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; text-align: var(--text-align);\">Backend and frontend developers are constantly working together, so it&#8217;s <\/span><b style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; text-align: var(--text-align);\">useful to know the basics<\/b><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; text-align: var(--text-align);\"> of frontend technologies like HTML and CSS.<\/span><\/p><p><span style=\"font-weight: 400;\">In addition, version control systems enable project-related files to be managed and progress tracked. These include Git and <\/span><a href=\"https:\/\/datascientest.com\/en\/github-what-is-it\"><span style=\"font-weight: 400;\">GitHub<\/span><\/a><span style=\"font-weight: 400;\">. These tools are widely used for collaboration on Data Science projects.<\/span><\/p><p><span style=\"font-weight: 400;\">A back-end developer also handles Cloud solutions such as <\/span><b>Amazon Web Services<\/b><span style=\"font-weight: 400;\"> (AWS), <\/span><b>Google Cloud Platform<\/b><span style=\"font-weight: 400;\"> (GCP), or <\/span><b>Microsoft Azure<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p><span style=\"font-weight: 400;\">Of course, this professional also needs non-technical skills such as problem-solving, critical thinking, communication, and a flair for analysis. They must be able to <\/span><b>work both independently<\/b><span style=\"font-weight: 400;\"> and as part of a team.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2757923 e-flex e-con-boxed e-con\" data-id=\"2757923\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ac1516 elementor-widget elementor-widget-heading\" data-id=\"6ac1516\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What is the role of the back-end developer?\n<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66840c5 elementor-widget elementor-widget-text-editor\" data-id=\"66840c5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Back-end developers have <\/span><b>many responsibilities<\/b><span style=\"font-weight: 400;\">. To design effective solutions, they must first identify the needs and performance objectives of a website.<\/span><\/p><p><span style=\"font-weight: 400;\">They are also responsible for developing and administering APIs (Application Programming Interfaces), developing <\/span><b>data storage solutions<\/b><span style=\"font-weight: 400;\"> for websites, and writing, testing, and maintaining development solutions for code-related problems.<\/span><\/p><p><span style=\"font-weight: 400;\">He communicates with developers, designers, and system administrators to <\/span><b>identify new functionalities<\/b><span style=\"font-weight: 400;\"> for development. His role is also to<\/span><b> create a website architecture<\/b><span style=\"font-weight: 400;\"> using the right product lifecycle approach.<\/span><\/p><p><span style=\"font-weight: 400;\">The expert organizes the system&#8217;s logic, and remedies any difficulties that may arise. They are also responsible for debugging applications.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5cffdce e-flex e-con-boxed e-con\" data-id=\"5cffdce\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-070aad6 elementor-widget elementor-widget-heading\" data-id=\"070aad6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">What are the back-end development professions?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff0b034 elementor-widget elementor-widget-text-editor\" data-id=\"ff0b034\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Back-end development skills are highly sought-after in companies. They give access to a wide range of positions.<\/span><\/p><p><span style=\"font-weight: 400;\">In addition to the role of back-end developer, these include <\/span><b>Java developer<\/b><span style=\"font-weight: 400;\">, <\/span><b>full-stack developer<\/b><span style=\"font-weight: 400;\">, <\/span><b>DevOps engineer<\/b><span style=\"font-weight: 400;\">, software engineer, and iOS developer. In addition, the back end is widely used for Data Science and <\/span><a href=\"https:\/\/datascientest.com\/en\/data-engineer-salary-in-canada-in-2023\"><span style=\"font-weight: 400;\">Data Engineering<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-91a3dc9 e-flex e-con-boxed e-con\" data-id=\"91a3dc9\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6c8e7e2 elementor-widget elementor-widget-heading\" data-id=\"6c8e7e2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How much does a back-end developer earn?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ecb5dc elementor-widget elementor-widget-text-editor\" data-id=\"1ecb5dc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Back-end developers can enjoy a high salary. On average, a back-end developer in the USA earns $102,000 a year.<\/span><\/p><p><span style=\"font-weight: 400;\">In Canada, <\/span><a href=\"https:\/\/ca.talent.com\/salary?job=back+end+developer#:~:text=The%20average%20back%20end%20developer%20salary%20in%20Canada%20is%20%24151%2C523,up%20to%20%24155%2C646%20per%20year.\"><span style=\"font-weight: 400;\">according to Talent.com<\/span><\/a><span style=\"font-weight: 400;\">, the average salary for a back-end developer is $77.70 per hour. Entry level positions start around $102.000 and the most experienced go up to $155.000 per year.\u00a0<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1d5598c e-flex e-con-boxed e-con\" data-id=\"1d5598c\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8c6be72 elementor-widget elementor-widget-heading\" data-id=\"8c6be72\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How do I take a back-end training course?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f201b0c elementor-widget elementor-widget-text-editor\" data-id=\"f201b0c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">As you can see, <\/span><b>mastering back-end development<\/b><span style=\"font-weight: 400;\"> can open up a wide range of career opportunities. To acquire this expertise, you can turn to DataScientest.<\/span><\/p><p><span style=\"font-weight: 400;\">All our training courses start with a module dedicated to the <\/span><b>Python programming language<\/b><span style=\"font-weight: 400;\"> and a module dedicated to <\/span><b>databases<\/b><span style=\"font-weight: 400;\">, starting with SQL and MongoDB.<\/span><\/p><p><span style=\"font-weight: 400;\">With the <\/span><a href=\"https:\/\/datascientest.com\/en\/data-engineer-course\"><span style=\"font-weight: 400;\">Data Engineer course<\/span><\/a><span style=\"font-weight: 400;\">, a CI\/CD module also covers Git and GitHub. Other modules cover <\/span><a href=\"https:\/\/datascientest.com\/en\/dataviz-definition-objectives-and-uses\"><span style=\"font-weight: 400;\">DataViz<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/datascientest.com\/en\/machine-learning-what-is-it-and-why-does-it-change-the-world\"><span style=\"font-weight: 400;\">Machine Learning<\/span><\/a><span style=\"font-weight: 400;\">, and <\/span><a href=\"https:\/\/datascientest.com\/en\/introduction-to-business-intelligence\"><span style=\"font-weight: 400;\">Business Intelligence<\/span><\/a><span style=\"font-weight: 400;\">. At the end of the course, you&#8217;ll have all the skills you need to work in Data Science or back-end development.<\/span><\/p><p><span style=\"font-weight: 400;\">Our innovative <\/span><b>Blended Learning approach<\/b><span style=\"font-weight: 400;\"> combines online learning on a coached platform and Masterclasses. You can choose between Continuing Education and an intensive BootCamp mode.<\/span><\/p><p><span style=\"font-weight: 400;\">Through our prestigious partnerships with <\/span><b>Sorbonne University<\/b><span style=\"font-weight: 400;\">, learners receive an industry-recognized certificate. Of our alumni, 80% find immediate employment.<\/span><\/p><p><span style=\"font-weight: 400;\">You know all about the back end. For more information, see <\/span><a href=\"https:\/\/datascientest.com\/en\/python-the-most-popular-programming-language\"><span style=\"font-weight: 400;\">our complete file on Python<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/datascientest.com\/en\/front-end-what-are-the-skills-and-tools\"><span style=\"font-weight: 400;\">our dossier on the front end<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62ceb52 elementor-align-center button-principal elementor-widget elementor-widget-button\" data-id=\"62ceb52\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/datascientest.com\/en\/data-engineer-course\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Become a Data Engineer with DataScientest<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-747acf9 e-flex e-con-boxed e-con\" data-id=\"747acf9\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bef72cd elementor-widget elementor-widget-html\" data-id=\"bef72cd\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"What is backend development?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"In web development, activities carried out in the background of programs are referred to as back-end development. This concept covers the logic, integration, and server-side activities of a web application. Examples include writing APIs, creating libraries, and working on system components. Conversely, front-end development focuses on the services and programs that users will encounter.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"What is a back-end developer?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"The back-end developer's job focuses on writing code, scripting, and architecting a website that communicates with the site's database and the user's web browser. They must ensure data consistency and integrity.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"How much does a back-end developer earn?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"In Canada, according to Talent.com, the average salary for a back-end developer is $77.70 per hour. Entry level positions start around $102.000 and the most experienced go up to $155.000 per year.\"\r\n    }\r\n  }]\r\n}\r\n<\/script>\r\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The back end is essential for web development, but also for Data Science and Machine Learning. Find out all you need to know about it, and how to follow a dedicated training course. Today, we use a wide range of software applications, on PCs and mobiles, for both entertainment and business. If an application delivers [&hellip;]<\/p>\n","protected":false},"author":45,"featured_media":168363,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2421],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Back end : A complete overview on its relevance in Data Science<\/title>\n<meta name=\"description\" content=\"The back end is essential for web development, but also for Data Science and Machine Learning. Find out all you need to know about it, and how to follow a dedicated training course.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/datascientest.com\/en\/all-about-back-end\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Back end : A complete overview on its relevance in Data Science\" \/>\n<meta property=\"og:description\" content=\"The back end is essential for web development, but also for Data Science and Machine Learning. Find out all you need to know about it, and how to follow a\" \/>\n<meta property=\"og:url\" content=\"https:\/\/datascientest.com\/en\/all-about-back-end\" \/>\n<meta property=\"og:site_name\" content=\"Data Science Courses | DataScientest\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DataScientestEN\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-31T13:38:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-10-30T18:09:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/datascientest.com\/en\/files\/2023\/05\/BackEnd_1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"562\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Daniel\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DataScientest__\" \/>\n<meta name=\"twitter:site\" content=\"@DataScientest__\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daniel\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/datascientest.com\/en\/all-about-back-end#article\",\"isPartOf\":{\"@id\":\"https:\/\/datascientest.com\/en\/all-about-back-end\"},\"author\":{\"name\":\"Daniel\",\"@id\":\"https:\/\/datascientest.com\/en\/#\/schema\/person\/5a86e30c5090234fb43dd8baa83c44b0\"},\"headline\":\"Back end : A complete overview on its relevance in Data Science\",\"datePublished\":\"2023-05-31T13:38:11+00:00\",\"dateModified\":\"2023-10-30T18:09:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/datascientest.com\/en\/all-about-back-end\"},\"wordCount\":838,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/datascientest.com\/en\/#organization\"},\"articleSection\":[\"Dev\"],\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/datascientest.com\/en\/all-about-back-end#respond\"]}],\"copyrightYear\":\"2023\",\"copyrightHolder\":{\"@id\":\"https:\/\/datascientest.com\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/datascientest.com\/en\/all-about-back-end\",\"url\":\"https:\/\/datascientest.com\/en\/all-about-back-end\",\"name\":\"Back end : A complete overview on its relevance in Data Science\",\"isPartOf\":{\"@id\":\"https:\/\/datascientest.com\/en\/#website\"},\"datePublished\":\"2023-05-31T13:38:11+00:00\",\"dateModified\":\"2023-10-30T18:09:14+00:00\",\"description\":\"The back end is essential for web development, but also for Data Science and Machine Learning. Find out all you need to know about it, and how to follow a dedicated training course.\",\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/datascientest.com\/en\/all-about-back-end\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/datascientest.com\/en\/#website\",\"url\":\"https:\/\/datascientest.com\/en\/\",\"name\":\"Data Science Courses | DataScientest\",\"description\":\"Leader in Data Science Courses\",\"publisher\":{\"@id\":\"https:\/\/datascientest.com\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/datascientest.com\/en\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/datascientest.com\/en\/#organization\",\"name\":\"DataScientest\",\"url\":\"https:\/\/datascientest.com\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/datascientest.com\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/datascientest.com\/en\/wp-content\/blogs.dir\/9\/files\/2024\/02\/DataScientest_icon_blue-2.png\",\"contentUrl\":\"https:\/\/datascientest.com\/en\/wp-content\/blogs.dir\/9\/files\/2024\/02\/DataScientest_icon_blue-2.png\",\"width\":301,\"height\":301,\"caption\":\"DataScientest\"},\"image\":{\"@id\":\"https:\/\/datascientest.com\/en\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/DataScientestEN\",\"https:\/\/twitter.com\/DataScientest__\",\"https:\/\/www.linkedin.com\/school\/datascientest\/mycompany\/\",\"https:\/\/www.tiktok.com\/@datascientest\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/datascientest.com\/en\/#\/schema\/person\/5a86e30c5090234fb43dd8baa83c44b0\",\"name\":\"Daniel\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/datascientest.com\/en\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/837acad4f2dc47e85d81cce837261670?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/837acad4f2dc47e85d81cce837261670?s=96&d=mm&r=g\",\"caption\":\"Daniel\"},\"sameAs\":[\"https:\/\/www.linkedin.com\/school\/datascientest\/\",\"user\"],\"jobTitle\":\"ing\u00e9nieur logiciel\",\"worksFor\":\"DataScientest\",\"url\":\"https:\/\/datascientest.com\/en\/author\/team-redac\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Back end : A complete overview on its relevance in Data Science","description":"The back end is essential for web development, but also for Data Science and Machine Learning. Find out all you need to know about it, and how to follow a dedicated training course.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/datascientest.com\/en\/all-about-back-end","og_locale":"en_GB","og_type":"article","og_title":"Back end : A complete overview on its relevance in Data Science","og_description":"The back end is essential for web development, but also for Data Science and Machine Learning. Find out all you need to know about it, and how to follow a","og_url":"https:\/\/datascientest.com\/en\/all-about-back-end","og_site_name":"Data Science Courses | DataScientest","article_publisher":"https:\/\/www.facebook.com\/DataScientestEN","article_published_time":"2023-05-31T13:38:11+00:00","article_modified_time":"2023-10-30T18:09:14+00:00","og_image":[{"width":1024,"height":562,"url":"https:\/\/datascientest.com\/en\/files\/2023\/05\/BackEnd_1.jpg","type":"image\/jpeg"}],"author":"Daniel","twitter_card":"summary_large_image","twitter_creator":"@DataScientest__","twitter_site":"@DataScientest__","twitter_misc":{"Written by":"Daniel","Estimated reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/datascientest.com\/en\/all-about-back-end#article","isPartOf":{"@id":"https:\/\/datascientest.com\/en\/all-about-back-end"},"author":{"name":"Daniel","@id":"https:\/\/datascientest.com\/en\/#\/schema\/person\/5a86e30c5090234fb43dd8baa83c44b0"},"headline":"Back end : A complete overview on its relevance in Data Science","datePublished":"2023-05-31T13:38:11+00:00","dateModified":"2023-10-30T18:09:14+00:00","mainEntityOfPage":{"@id":"https:\/\/datascientest.com\/en\/all-about-back-end"},"wordCount":838,"commentCount":0,"publisher":{"@id":"https:\/\/datascientest.com\/en\/#organization"},"articleSection":["Dev"],"inLanguage":"en-GB","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/datascientest.com\/en\/all-about-back-end#respond"]}],"copyrightYear":"2023","copyrightHolder":{"@id":"https:\/\/datascientest.com\/#organization"}},{"@type":"WebPage","@id":"https:\/\/datascientest.com\/en\/all-about-back-end","url":"https:\/\/datascientest.com\/en\/all-about-back-end","name":"Back end : A complete overview on its relevance in Data Science","isPartOf":{"@id":"https:\/\/datascientest.com\/en\/#website"},"datePublished":"2023-05-31T13:38:11+00:00","dateModified":"2023-10-30T18:09:14+00:00","description":"The back end is essential for web development, but also for Data Science and Machine Learning. Find out all you need to know about it, and how to follow a dedicated training course.","inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/datascientest.com\/en\/all-about-back-end"]}]},{"@type":"WebSite","@id":"https:\/\/datascientest.com\/en\/#website","url":"https:\/\/datascientest.com\/en\/","name":"Data Science Courses | DataScientest","description":"Leader in Data Science Courses","publisher":{"@id":"https:\/\/datascientest.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/datascientest.com\/en\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/datascientest.com\/en\/#organization","name":"DataScientest","url":"https:\/\/datascientest.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/datascientest.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/datascientest.com\/en\/wp-content\/blogs.dir\/9\/files\/2024\/02\/DataScientest_icon_blue-2.png","contentUrl":"https:\/\/datascientest.com\/en\/wp-content\/blogs.dir\/9\/files\/2024\/02\/DataScientest_icon_blue-2.png","width":301,"height":301,"caption":"DataScientest"},"image":{"@id":"https:\/\/datascientest.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/DataScientestEN","https:\/\/twitter.com\/DataScientest__","https:\/\/www.linkedin.com\/school\/datascientest\/mycompany\/","https:\/\/www.tiktok.com\/@datascientest"]},{"@type":"Person","@id":"https:\/\/datascientest.com\/en\/#\/schema\/person\/5a86e30c5090234fb43dd8baa83c44b0","name":"Daniel","image":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/datascientest.com\/en\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/837acad4f2dc47e85d81cce837261670?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/837acad4f2dc47e85d81cce837261670?s=96&d=mm&r=g","caption":"Daniel"},"sameAs":["https:\/\/www.linkedin.com\/school\/datascientest\/","user"],"jobTitle":"ing\u00e9nieur logiciel","worksFor":"DataScientest","url":"https:\/\/datascientest.com\/en\/author\/team-redac"}]}},"_links":{"self":[{"href":"https:\/\/datascientest.com\/en\/wp-json\/wp\/v2\/posts\/168341"}],"collection":[{"href":"https:\/\/datascientest.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/datascientest.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/datascientest.com\/en\/wp-json\/wp\/v2\/users\/45"}],"replies":[{"embeddable":true,"href":"https:\/\/datascientest.com\/en\/wp-json\/wp\/v2\/comments?post=168341"}],"version-history":[{"count":0,"href":"https:\/\/datascientest.com\/en\/wp-json\/wp\/v2\/posts\/168341\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/datascientest.com\/en\/wp-json\/wp\/v2\/media\/168363"}],"wp:attachment":[{"href":"https:\/\/datascientest.com\/en\/wp-json\/wp\/v2\/media?parent=168341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/datascientest.com\/en\/wp-json\/wp\/v2\/categories?post=168341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/datascientest.com\/en\/wp-json\/wp\/v2\/tags?post=168341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}