[{"data":1,"prerenderedAt":278},["ShallowReactive",2],{"site-content:en:usluga-aplikacje-webowe":3},{"text":4,"data":211,"meta":274,"parentName":13},{"a11y.skip":5,"a11y.menu_open":6,"a11y.menu_close":7,"a11y.main_nav":8,"a11y.breadcrumb":9,"a11y.lang":10,"nav.home":11,"nav.products":12,"nav.services":13,"nav.case":14,"nav.blog":15,"nav.about":16,"nav.contact":17,"nav.career":18,"nav.cta":19,"nav.products_label":20,"nav.products_all":21,"nav.services_label":22,"nav.services_all":23,"nav.flagship":24,"nav.flagship_title":25,"nav.flagship_desc":26,"nav.flagship_cta":27,"nav.help_title":28,"nav.help_desc":29,"nav.help_cta":30,"topbar.hours":31,"footer.tagline":32,"footer.desc":33,"footer.services":13,"footer.products":12,"footer.company":34,"footer.contact":17,"footer.hours":35,"footer.privacy":36,"footer.cookies":37,"footer.cookie_settings":38,"cta.default_title":30,"cta.default_desc":39,"cta.eyebrow":40,"cta.person":41,"cta.person_role":42,"cta.reply_time":43,"form.name":44,"form.email":45,"form.phone":46,"form.company":34,"form.topic":47,"form.message":48,"form.topics":49,"form.consent1":57,"form.consent2":58,"form.submit":30,"form.sending":59,"form.success_title":60,"form.success_desc":61,"form.error_generic":62,"form.error_required":63,"form.error_email":64,"form.error_consent":65,"form.error_rate":66,"form.error_spam":67,"form.error_file":68,"form.error_file_size":69,"form.error_captcha":70,"form.nojs_captcha":71,"newsletter.eyebrow":72,"newsletter.h2":73,"newsletter.p":74,"newsletter.li":75,"newsletter.li2":76,"newsletter.li3":77,"newsletter.inline_h3":78,"newsletter.inline_p":79,"newsletter.email":80,"newsletter.placeholder":81,"newsletter.submit":82,"newsletter.consent":83,"newsletter.note":84,"newsletter.success_title":85,"newsletter.success_desc":86,"newsletter.error_consent":87,"newsletter.error_email":64,"newsletter.error_exists":88,"newsletter.error_unavailable":89,"newsletter.error_generic":90,"kraj.pl":91,"kraj.uk":92,"case.shot_desktop_alt":93,"case.shot_mobile_alt":94,"case.shot_open":95,"lightbox.label":96,"lightbox.close":97,"lightbox.prev":98,"lightbox.next":99,"lightbox.count":100,"career.name":44,"career.email":45,"career.link":101,"career.position":102,"career.position_placeholder":103,"career.position_open":104,"career.cv":105,"career.cv_hint":106,"career.message":107,"career.consent":108,"career.submit":109,"career.success_title":110,"career.success_desc":111,"cookie.text":112,"cookie.accept":113,"cookie.reject":114,"cookie.settings":115,"cookie.settings_title":38,"cookie.necessary":116,"cookie.necessary_desc":117,"cookie.analytics":118,"cookie.analytics_desc":119,"cookie.save":120,"chat.title":121,"chat.status":122,"chat.panel_title":123,"chat.close":124,"e404.eyebrow":125,"e404.title":126,"e404.desc":127,"e404.home":11,"e404.products":20,"e404.services":128,"e404.contact":17,"common.read_more":129,"common.all_articles":130,"common.filter_all":131,"hero.nav.aria-label":9,"hero.a":11,"hero.a2":13,"hero.span":132,"hero.p":132,"hero.h1":133,"hero.p2":134,"hero.a3":30,"hero.a4":135,"hero.span2":136,"hero.span3":137,"hero.span4":138,"zakres_uslugi.p":139,"zakres_uslugi.h2":140,"zakres_uslugi.p2":141,"zakres_uslugi.span":142,"zakres_uslugi.h3":143,"zakres_uslugi.p3":144,"proces.p":145,"proces.h2":146,"proces.span":147,"powiazany_produkt_flatca.p":148,"powiazany_produkt_flatca.h2":149,"powiazany_produkt_flatca.p2":150,"powiazany_produkt_flatca.a":151,"faq.p":152,"faq.h2":153,"faq.p2":154,"cta.naglowek":155,"cta.opis":156,"nav.produkty":157,"nav.uslugi":181,"nav.firma":200},"Skip to content","Open menu","Close menu","Main navigation","Breadcrumb","Language","Home","Products","Services","Case studies","Blog","About us","Contact","Careers","Book a consultation","Our products","All products →","What we do","All services →","Flagship product","See ecChat in action","An AI assistant that handles your store's customers on its own.","Try the demo →","Not sure where to start?","A 30-minute conversation about your processes - you'll leave with concrete recommendations.","Book a free consultation","We reply within 1 business day · Mon-Fri 7:00-17:00 CET","Software · AI · Web","Custom software, e-commerce and AI implementations - with measurable results, in Poland and the UK.","Company","Mon-Fri 7:00-17:00 CET","Privacy policy","Cookie policy","Cookie settings","A 30-minute conversation about your processes. You'll leave with concrete recommendations - whether or not you decide to work with us.","Let's talk","Sebastian Haja","CEO","We reply within 1 business day.","Full name *","E-mail *","Phone","Topic","Message *",[50,51,52,53,54,55,56],"ecChat","ecSearch","online store","custom system","AI implementation","mobile app","other","I consent to the processing of my personal data by eConnect4U Sp. z o.o. for the purpose of responding to my enquiry. The processing rules are described in the \u003Ca href=\"{{privacy}}\">privacy policy\u003C\u002Fa>. *","I consent to receiving commercial information from eConnect4U Sp. z o.o. by electronic means (e-mail, phone). I can withdraw this consent at any time.","Sending…","Thank you for your message","We'll get back to you within 1 business day.","Something went wrong. 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The processing rules are described in the \u003Ca href=\"{{privacy}}\">privacy policy\u003C\u002Fa>. *","Send application","Thank you for your application","We'll get back to you within a week.","We use essential cookies to keep the site working properly. Analytics cookies are enabled only with your consent. Details in our \u003Ca href=\"{{cookies}}\">cookie policy\u003C\u002Fa>.","Accept all","Essential only","Settings","Essential","Required for the site to work (e.g. remembering your language and your choice in this window). Always active.","Analytics","Help us understand how you use the site (visit statistics). Anonymous, enabled only with your consent.","Save choice","Talk to the assistant","Available","ecChat - live demo","Close","Error 404","This page doesn't exist - but we have something better","The address may have changed when the site was rebuilt. See what we do, or write to us - we'll reply within 1 business day.","Our services","Read more →","All articles →","All","Web applications","Web applications that users simply like","A customer portal, a SaaS tool, a booking panel, a product configurator - if your idea needs a browser, we'll build it quickly, securely and in a way that can be developed for years.","See the service scope →","Vue.js · TypeScript","PHP 8 · Python","WCAG 2.1 AA","Service scope","From MVP to systems for thousands of users","Full-stack: UX\u002FUI design, frontend, backend, deployment and maintenance.","Standards","Quality built into the process","Responsive design, WCAG 2.1 AA, Core Web Vitals in the green, tests, CI\u002FCD, documentation - in every project.","How we work","From the first conversation to a working application","STEP {{ step.num }} \u003Cspan class=\"x-rrgcca\">· {{ step.czas }}\u003C\u002Fspan>","A lighter alternative","Company website? Take a look at FlatCake CMS","Not every project needs a custom application. For lightweight company websites and landing pages we have our own flat-file CMS with an AI layer - fast, secure, no database.","Discover FlatCake →","FAQ","Common questions about web applications","Can't find the answer? \u003Ca href=\"#kontakt\" class=\"link-fx link-bold\">Ask us directly\u003C\u002Fa>.","Have an idea for an application?","Tell us about it - after 30 minutes you'll know how long it takes, what the MVP is and where to start.",[158,162,166,171,176],{"route":159,"name":50,"desc":160,"img":161},"produkt-ecchat","AI assistant - 24\u002F7 customer service","ecchat_hero",{"route":163,"name":51,"desc":164,"img":165},"produkt-ecsearch","Intelligent AI search for online stores","search_hero",{"route":167,"name":168,"desc":169,"img":170},"produkt-platforma-e20","E20 Platform","Our own e-commerce engine","e20_hero",{"route":172,"name":173,"desc":174,"img":175},"produkt-wms","WMS","Warehouse management integrated with your store","wms_box",{"route":177,"name":178,"desc":179,"img":180},"produkt-flatcake","FlatCake CMS","Lightweight flat-file CMS with an AI layer","flatcake_hero",[182,186,190,192,196],{"route":183,"name":184,"desc":185},"usluga-wdrozenia-ai","AI implementations","Process automation on Anthropic models",{"route":187,"name":188,"desc":189},"usluga-systemy-dedykowane","Custom systems","CRMs, B2B portals, apps built around your process",{"route":191,"name":132,"desc":140},"usluga-aplikacje-webowe",{"route":193,"name":194,"desc":195},"usluga-e-commerce","E-commerce","Custom stores on the E20 Platform",{"route":197,"name":198,"desc":199},"usluga-aplikacje-mobilne","Mobile apps","React Native, NativeScript, Android",[201,203,205,207,209],{"route":202,"name":16},"o-nas",{"route":204,"name":14},"case-studies",{"route":206,"name":15},"blog",{"route":208,"name":18},"kariera",{"route":210,"name":17},"kontakt",{"zakres":212,"kroki":238,"faq":261},[213,218,223,228,233],{"num":214,"delay":215,"title":216,"desc":217},"01",0,"SaaS applications and MVPs","From idea to a product you can test the market with.",{"num":219,"delay":220,"title":221,"desc":222},"02",0.06,"Portals and customer panels","Self-service, documents, payments, support tickets.",{"num":224,"delay":225,"title":226,"desc":227},"03",0.12,"Internal tools","Dashboards, report and document generators, quote calculators.",{"num":229,"delay":230,"title":231,"desc":232},"04",0.18,"Premium company websites","Fast brand websites with animations (GSAP), CMS and SEO - the same technology as this site.",{"num":234,"delay":235,"title":236,"desc":237},"05",0.24,"PWA","Web applications that work like mobile apps, without an app store.",[239,244,250,256],{"num":240,"czas":241,"delay":215,"title":242,"desc":243},"1","free","Consultation","30 minutes about your idea, users and business goals.",{"num":245,"czas":246,"delay":247,"title":248,"desc":249},"2","1-2 weeks",0.08,"UX and quote","Mock-ups of key screens, MVP scope, timeline and budget.",{"num":251,"czas":252,"delay":253,"title":254,"desc":255},"3","MVP: 2-3 months",0.16,"Phased build","Sprints with a demo every 2 weeks. Tests and a security review before launch.",{"num":257,"czas":258,"delay":235,"title":259,"desc":260},"4","ongoing","Product development","Monitoring, Core Web Vitals optimisation, new features based on usage data.",[262,265,268,271],{"q":263,"a":264},"Do you do both frontend and backend?","Yes, full-stack: Vue.js\u002FTypeScript + PHP 8\u002FPython, with UX\u002FUI design in collaboration with the client.",{"q":266,"a":267},"Do you build frontends only, for existing APIs?","Yes - we build a frontend for your existing API, with no changes on the backend side.",{"q":269,"a":270},"How do you handle security?","OWASP, encryption, tests, GDPR by design. Applications go through a security review before launch.",{"q":272,"a":273},"Will I get the source code?","Yes, full code ownership once the project is complete.",{"title":275,"description":276,"type":277,"nav_title":132},"Custom web applications - Vue.js, PHP | eConnect4U","We build fast, secure web applications: portals, customer panels, SaaS tools. Vue.js + PHP 8. From MVP to systems for thousands of users.","website",1794571394469]