{"id":19382,"date":"2025-12-20T12:54:56","date_gmt":"2025-12-20T12:54:56","guid":{"rendered":"https:\/\/offline-web.com\/project\/opap-s-a-opap-play-betting-machines-ui\/"},"modified":"2026-09-21T10:21:50","modified_gmt":"2026-09-21T07:21:50","slug":"opap-sa","status":"publish","type":"project","link":"https:\/\/offline-web.com\/en\/project\/opap-sa\/","title":{"rendered":"OPAP S.A. &#8211; UI for OPAP Play terminals"},"content":{"rendered":"\t\t<div data-elementor-type=\"page\" data-elementor-id=\"19113\" class=\"elementor elementor-19113\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-38ff0c92 e-flex e-con-boxed tm-col-stretched-none tm-bg-color-over-image e-con e-parent\" data-id=\"38ff0c92\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4d84c6b0 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"4d84c6b0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-1cb10c66 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"1cb10c66\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-4b4fbcf9 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"4b4fbcf9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3e90d164 project-feature-image elementor-widget elementor-widget-image\" data-id=\"3e90d164\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1600\" height=\"900\" src=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/opap-sa-banner.png\" class=\"attachment-full size-full wp-image-20624\" alt=\"OPAP S.A. case study \u2014 Rebuilt the retail betting machine UI and migrated it from Vue 2 to Vue 3 inside Electron\" srcset=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/opap-sa-banner.png 1600w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/opap-sa-banner-300x169.png 300w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/opap-sa-banner-1024x576.png 1024w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/opap-sa-banner-768x432.png 768w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/opap-sa-banner-1536x864.png 1536w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5263195e e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"5263195e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-1ebddd8d e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"1ebddd8d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-73391389 elementor-widget elementor-widget-tm-ele-text-editor-advanced\" data-id=\"73391389\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor-advanced.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor-advanced\">\r\n\t\t\t\t\t<div class=\"each-item elementor-repeater-item-3a4f152\" >\r\n\t\t\t\t<p>Client:<\/p>\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<div class=\"each-item elementor-repeater-item-8b12c64\" >\r\n\t\t\t\tOPAP S.A.\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-547cac06 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"547cac06\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b4efee7 elementor-widget elementor-widget-tm-ele-text-editor-advanced\" data-id=\"6b4efee7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor-advanced.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor-advanced\">\r\n\t\t\t\t\t<div class=\"each-item elementor-repeater-item-3a4f152\" >\r\n\t\t\t\t<p>Date:<\/p>\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<div class=\"each-item elementor-repeater-item-8b12c64\" >\r\n\t\t\t\t2024\u20132025\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2281579 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"2281579\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-946c45c elementor-widget elementor-widget-tm-ele-text-editor-advanced\" data-id=\"946c45c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor-advanced.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor-advanced\">\r\n\t\t\t\t\t<div class=\"each-item elementor-repeater-item-3a4f152\" >\r\n\t\t\t\t<p>Duration:<\/p>\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<div class=\"each-item elementor-repeater-item-8b12c64\" >\r\n\t\t\t\t18 months\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-18561d34 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"18561d34\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-dbeab39 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"dbeab39\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-150b6588 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"150b6588\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29b55989 elementor-widget elementor-widget-tm-ele-text-editor\" data-id=\"29b55989\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor\" >\r\n\t\tOPAP S.A. &#8211; UI for OPAP Play terminals\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-383389de elementor-widget elementor-widget-text-editor\" data-id=\"383389de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tContribution to the UI of OPAP Play terminals, inside an existing Electron desktop application running in retail locations across Greece.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c9f7e47 elementor-widget elementor-widget-shortcode\" data-id=\"c9f7e47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><div class=\"offline-proj-gallery\" style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;\"><img decoding=\"async\" src=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/opap-sa-1-1024x683.png\" alt=\"OPAP S.A. terminal UI \u2014 Betting terminal screen as it runs in the shop\" loading=\"lazy\" style=\"width:100%;height:auto;display:block;border-radius:12px;\" \/><img decoding=\"async\" src=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/opap-sa-2-1024x683.png\" alt=\"OPAP S.A. Vue 3 migration \u2014 Options API components rebuilt as typed SFCs\" loading=\"lazy\" style=\"width:100%;height:auto;display:block;border-radius:12px;\" \/><\/div><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee6d20c elementor-widget elementor-widget-heading\" data-id=\"ee6d20c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">About the client<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c76891 elementor-widget elementor-widget-text-editor\" data-id=\"3c76891\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tOPAP is one of the largest gaming organizations in Greece. This project covered the application running on OPAP Play terminals.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a075adf elementor-widget elementor-widget-heading\" data-id=\"a075adf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Project Overview<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d0a0dfd elementor-widget elementor-widget-text-editor\" data-id=\"d0a0dfd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\tThe work focused on rebuilding parts of the interface and gradually upgrading the frontend within the existing Electron environment. The UI had to remain stable and predictable on devices used continuously in physical stores.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1383c846 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"1383c846\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5896966 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"5896966\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-818494d e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"818494d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-32b867c6 horizontal-line-align-left vertical-line-align-bottom elementor-widget elementor-widget-tm-ele-section-title\" data-id=\"32b867c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-section-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-sc-section-title section-title \">\r\n\t<div class=\"title-wrapper\">\r\n\t\t\t\t\t\t\t<h2 class=\"title \"  >\r\n\r\n\t\t\r\n\t\t\t\t<span class=\"title-part1 \">The Challenge<\/span>\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\r\n\t<\/h2>\r\n\t<div class=\"title-seperator-line\"><\/div>\t\t\t\t\t\t<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-678448a1 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"678448a1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1e31b7a2 elementor-widget elementor-widget-tm-ele-text-editor\" data-id=\"1e31b7a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"tm-text-editor\" >\r\n\t\tThere was no room for a big-bang rewrite. Changes had to be introduced gradually into a production desktop environment with real daily usage.\t\t<\/div>\r\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\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-558c3bf6 e-flex e-con-boxed tm-col-stretched-none tm-bg-color-over-image e-con e-parent\" data-id=\"558c3bf6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7427a4b elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7427a4b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af4b431 elementor-widget elementor-widget-heading\" data-id=\"af4b431\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><p>My Contribution<\/p><\/h2>\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-030d331 e-flex e-con-boxed tm-col-stretched-none tm-bg-color-over-image e-con e-parent\" data-id=\"030d331\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9d749f7 elementor-widget elementor-widget-html\" data-id=\"9d749f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\tI worked on frontend components, UI flows and modernization of the existing application.\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f449a5f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"f449a5f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc269f2 elementor-widget elementor-widget-heading\" data-id=\"fc269f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><p>Technology Stack<\/p><\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-24736805 e-con-full e-flex tm-col-stretched-none tm-bg-color-over-image e-con e-child\" data-id=\"24736805\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-458bd0eb elementor-widget elementor-widget-tm-ele-list\" data-id=\"458bd0eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<ul class=\"tm-sc-list \">\r\n\t<li class=\"\">\r\n\t\t\t\t<i aria-hidden=\"true\" class=\" flaticon-common-confirmation\"><\/i>\t\t\t\t<span>\r\n\tElectron, Vue.js, TypeScript, frontend modernization, production terminal UI.<\/span><\/li><\/ul>\t\t\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-8d79716 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"8d79716\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a28db7 elementor-widget elementor-widget-heading\" data-id=\"1a28db7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">Tags<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6164aa5 elementor-widget elementor-widget-post-info\" data-id=\"6164aa5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-12c28ab elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-tags\" viewBox=\"0 0 640 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M497.941 225.941L286.059 14.059A48 48 0 0 0 252.118 0H48C21.49 0 0 21.49 0 48v204.118a48 48 0 0 0 14.059 33.941l211.882 211.882c18.744 18.745 49.136 18.746 67.882 0l204.118-204.118c18.745-18.745 18.745-49.137 0-67.882zM112 160c-26.51 0-48-21.49-48-48s21.49-48 48-48 48 21.49 48 48-21.49 48-48 48zm513.941 133.823L421.823 497.941c-18.745 18.745-49.137 18.745-67.882 0l-.36-.36L527.64 323.522c16.999-16.999 26.36-39.6 26.36-63.64s-9.362-46.641-26.36-63.64L331.397 0h48.721a48 48 0 0 1 33.941 14.059l211.882 211.882c18.745 18.745 18.745 49.137 0 67.882z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<a href=\"https:\/\/offline-web.com\/en\/tag\/betting-systems\/\" class=\"elementor-post-info__terms-list-item\">Betting Systems<\/a>, <a href=\"https:\/\/offline-web.com\/en\/tag\/electron\/\" class=\"elementor-post-info__terms-list-item\">Electron<\/a>, <a href=\"https:\/\/offline-web.com\/en\/tag\/enterprise-ui\/\" class=\"elementor-post-info__terms-list-item\">Enterprise UI<\/a>, <a href=\"https:\/\/offline-web.com\/en\/tag\/frontend-architecture\/\" class=\"elementor-post-info__terms-list-item\">Frontend Architecture<\/a>, <a href=\"https:\/\/offline-web.com\/en\/tag\/retail-systems\/\" class=\"elementor-post-info__terms-list-item\">Retail Systems<\/a>, <a href=\"https:\/\/offline-web.com\/en\/tag\/vue-2\/\" class=\"elementor-post-info__terms-list-item\">Vue 2<\/a>, <a href=\"https:\/\/offline-web.com\/en\/tag\/vue-3\/\" class=\"elementor-post-info__terms-list-item\">Vue 3<\/a>, <a href=\"https:\/\/offline-web.com\/en\/tag\/vue-js\/\" class=\"elementor-post-info__terms-list-item\">Vue.js<\/a>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68e616d elementor-widget elementor-widget-heading\" data-id=\"68e616d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">Categories<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e0ca46 elementor-widget elementor-widget-post-info\" data-id=\"7e0ca46\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-276f4a9 elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-tags\" viewBox=\"0 0 640 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M497.941 225.941L286.059 14.059A48 48 0 0 0 252.118 0H48C21.49 0 0 21.49 0 48v204.118a48 48 0 0 0 14.059 33.941l211.882 211.882c18.744 18.745 49.136 18.746 67.882 0l204.118-204.118c18.745-18.745 18.745-49.137 0-67.882zM112 160c-26.51 0-48-21.49-48-48s21.49-48 48-48 48 21.49 48 48-21.49 48-48 48zm513.941 133.823L421.823 497.941c-18.745 18.745-49.137 18.745-67.882 0l-.36-.36L527.64 323.522c16.999-16.999 26.36-39.6 26.36-63.64s-9.362-46.641-26.36-63.64L331.397 0h48.721a48 48 0 0 1 33.941 14.059l211.882 211.882c18.745 18.745 18.745 49.137 0 67.882z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<a href=\"https:\/\/offline-web.com\/en\/category\/betting-gaming\/\" class=\"elementor-post-info__terms-list-item\">Betting &amp; Gaming<\/a>, <a href=\"https:\/\/offline-web.com\/en\/category\/desktop-applications\/\" class=\"elementor-post-info__terms-list-item\">Desktop Applications<\/a>, <a href=\"https:\/\/offline-web.com\/en\/category\/enterprise-systems\/\" class=\"elementor-post-info__terms-list-item\">Enterprise Systems<\/a>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2be1224 elementor-widget elementor-widget-tm-ele-projects-pre-next\" data-id=\"2be1224\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-projects-pre-next.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"single-post-next-prev-links\">\r\n\t<div class=\"nav-previous\">\r\n\t\t<a rel=\"prev\" href=\"https:\/\/offline-web.com\/en\/project\/adidas-ag\/\" title=\"Adidas AG - B2B sales desktop application\" class=\" \"><span>Adidas AG - B2B sales desktop application<\/span><\/a>\t<\/div>\r\n\r\n\t<div class=\"nav-next \">\r\n\t\t<a rel=\"next\" href=\"https:\/\/offline-web.com\/en\/project\/vertrical\/\" title=\"Vertrical - Frontend leadership in digital health\" class=\" \"><span>Vertrical - Frontend leadership in digital health<\/span><\/a>\t<\/div>\r\n<\/div> \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-753783f elementor-widget elementor-widget-heading\" data-id=\"753783f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Read More<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39a9f3c elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-widget elementor-widget-posts\" data-id=\"39a9f3c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;classic_columns&quot;:&quot;3&quot;,&quot;classic_columns_tablet&quot;:&quot;2&quot;,&quot;classic_columns_mobile&quot;:&quot;1&quot;,&quot;classic_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;classic_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;classic_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.classic\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-classic elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-19387 project type-project status-publish has-post-thumbnail hentry category-backoffice-platforms category-enterprise-systems category-gaming-technology category-saas-platforms tag-enterprise-backoffice tag-frontend-architecture tag-full-stack-development tag-gaming-platforms tag-node-js tag-nx-monorepo tag-postgresql tag-primevue tag-scala tag-vue-js\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/offline-web.com\/en\/project\/white-hat-gaming-ltd\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/white-hat-gaming-ltd-banner-300x169.png\" class=\"attachment-medium size-medium wp-image-20587\" alt=\"White Hat Gaming case study \u2014 Building and maintaining the enterprise backoffice and shared UI library in an Nx monorepo\" srcset=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/white-hat-gaming-ltd-banner-300x169.png 300w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/white-hat-gaming-ltd-banner-1024x576.png 1024w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/white-hat-gaming-ltd-banner-768x432.png 768w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/white-hat-gaming-ltd-banner-1536x864.png 1536w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/white-hat-gaming-ltd-banner.png 1600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t<\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/offline-web.com\/en\/project\/white-hat-gaming-ltd\/\" >\n\t\t\t\tWhite Hat Gaming Ltd &#8211; Enterprise backoffice platform\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Long-term full-stack contribution to an enterprise backoffice built with Vue, Node.js, Scala, PostgreSQL and an NX monorepo used by multiple teams.<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-19381 project type-project status-publish has-post-thumbnail hentry category-b2b-platforms category-enterprise-systems category-internal-tools tag-b2b-sales-tools tag-customer-management tag-desktop-applications tag-electron tag-enterprise-software tag-frontend-development tag-vue-js\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/offline-web.com\/en\/project\/adidas-ag\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/adidas-ag-banner-300x169.png\" class=\"attachment-medium size-medium wp-image-20569\" alt=\"Adidas AG case study \u2014 Built a lightweight Electron desktop app for B2B customer and document management\" srcset=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/adidas-ag-banner-300x169.png 300w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/adidas-ag-banner-1024x576.png 1024w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/adidas-ag-banner-768x432.png 768w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/adidas-ag-banner-1536x864.png 1536w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/08\/adidas-ag-banner.png 1600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t<\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/offline-web.com\/en\/project\/adidas-ag\/\" >\n\t\t\t\tAdidas AG &#8211; B2B sales desktop application\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Desktop B2B sales tool built with Electron, bringing customer data and sales documents into a fast daily workflow.<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-23114 project type-project status-publish has-post-thumbnail hentry category-consumer-platforms category-web-applications tag-geospatial-search tag-nuxt tag-postgresql tag-pwa tag-seo tag-typescript tag-vue-3\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/offline-web.com\/en\/project\/atm-gr\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"169\" src=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/10\/atm-gr-banner-300x169.jpg\" class=\"attachment-medium size-medium wp-image-23117\" alt=\"atm.gr: every ATM in Greece on one map, desktop and mobile view\" srcset=\"https:\/\/offline-web.com\/wp-content\/uploads\/2026\/10\/atm-gr-banner-300x169.jpg 300w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/10\/atm-gr-banner-1024x576.jpg 1024w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/10\/atm-gr-banner-768x432.jpg 768w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/10\/atm-gr-banner-1536x864.jpg 1536w, https:\/\/offline-web.com\/wp-content\/uploads\/2026\/10\/atm-gr-banner-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t<\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/offline-web.com\/en\/project\/atm-gr\/\" >\n\t\t\t\tatm.gr: Find the nearest ATM in Greece\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>My own product: a free web app that finds the nearest ATM in Greece, with every bank on one map and a list that keeps working offline.<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\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-b16a854 e-con-full tm-col-stretched-none e-flex tm-bg-color-over-image e-con e-child\" data-id=\"b16a854\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f1d2905 tm-contact-form-7-button-full-width elementor-widget elementor-widget-tm-ele-contact-form-7\" data-id=\"f1d2905\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tm-ele-contact-form-7.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"tm-contact-form-7-wrapper\">\r\n\t\t\t\t<div class=\"tm-contact-form tm-contact-form-7 tm-contact-form-f1d2905 placeholder-show tm-contact-form-align-default\"><div class=\"tm-contact-form-7-heading\"><h5 class=\"tm-contact-form-subtitle tm-contact-form-7-subtitle\">\r\n\t\t\t\t\t\t\t\tComplete the form with the basic project information. You will then receive a short questionnaire by email, which takes about 10 minutes to complete. Based on your answers, I will prepare a first estimate of cost and timeline.\r\n\t\t\t\t\t\t\t<\/h5><h5 class=\"tm-contact-form-title tm-contact-form-7-title\">\r\n\t\t\t\t\t\t\t\tGet a first estimate for your project\r\n\t\t\t\t\t\t\t<\/h5><\/div>\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f6-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"6\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/en\/wp-json\/wp\/v2\/project\/19382#wpcf7-f6-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"6\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.6\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f6-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/><input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" value=\"\" \/>\n<\/fieldset>\n<div class=\"contact\">\n  <div class=\"row g-3\">\n    <div class=\"col-sm-6\">\n       <label for=\"fname\">Name *<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required form-control\" autocomplete=\"name\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Jane Doe\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n    <\/div>\n    <div class=\"col-sm-6\">\n       <label for=\"femail\">Email *<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email form-control\" autocomplete=\"email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"you@example.com\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <label for=\"fcompany\">Company or website (optional)<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-company\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text form-control\" aria-invalid=\"false\" placeholder=\"Company name or website, if you have one\" value=\"\" type=\"text\" name=\"your-company\" \/><\/span>\n       <small class=\"form-hint\">A link helps me scope your project faster.<\/small>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <label for=\"fservice\">Which service? *<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-service\"><select class=\"wpcf7-form-control wpcf7-select wpcf7-validates-as-required form-control\" aria-required=\"true\" aria-invalid=\"false\" name=\"your-service\"><option value=\"\">&#8212;Please choose an option&#8212;<\/option><option value=\"Vue 2 to 3 migration\">Vue 2 to 3 migration<\/option><option value=\"jQuery to Vue migration\">jQuery to Vue migration<\/option><option value=\"Nuxt migration\">Nuxt migration<\/option><option value=\"Vanilla JS to Vue migration\">Vanilla JS to Vue migration<\/option><option value=\"Excel to web app \/ dashboard\">Excel to web app \/ dashboard<\/option><option value=\"Custom web app development\">Custom web app development<\/option><option value=\"AI features \/ LLM integration\">AI features \/ LLM integration<\/option><option value=\"Something else\">Something else<\/option><\/select><\/span>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <label for=\"fmessage\">What do you want to build or fix? *<\/label>\n       <span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"4\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required form-control\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"e.g. Migrate a Vue 2 dashboard to Vue 3, or turn an Excel workflow into a web app. A sentence or two is enough.\" name=\"your-message\"><\/textarea><\/span>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <input class=\"wpcf7-form-control wpcf7-submit has-spinner btn btn-theme-colored2\" type=\"submit\" value=\"Get a first estimate\" \/>\n    <\/div>\n    <div class=\"col-sm-12\">\n       <p class=\"form-sla\">Complete the short questionnaire and I'll prepare a first estimate of cost and timeline.<\/p>\n       <p class=\"offline-recaptcha-note\">This site is protected by reCAPTCHA and the Google <a href=\"https:\/\/policies.google.com\/privacy\" target=\"_blank\" rel=\"noopener\">Privacy Policy<\/a> and <a href=\"https:\/\/policies.google.com\/terms\" target=\"_blank\" rel=\"noopener\">Terms of Service<\/a> apply.<\/p>\n    <\/div>\n  <\/div>\n<\/div><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n<\/div>\r\n\t\t\t<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n","protected":false},"excerpt":{"rendered":"<p>Rebuild of parts of the OPAP Play terminal UI and gradual frontend modernization inside an existing Electron application.<\/p>\n","protected":false},"featured_media":20624,"template":"","meta":{"_acf_changed":false},"categories":[64,63,62],"tags":[71,68,70,69,72,67,66,65],"class_list":["post-19382","project","type-project","status-publish","has-post-thumbnail","hentry","category-betting-gaming","category-desktop-applications","category-enterprise-systems","tag-betting-systems","tag-electron","tag-enterprise-ui","tag-frontend-architecture","tag-retail-systems","tag-vue-2","tag-vue-3","tag-vue-js"],"acf":{"project_img_1":20579,"project_img_2":20602,"project_img_3":"","main_text":"The work focused on rebuilding parts of the interface and gradually upgrading the frontend within the existing Electron environment. 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