May 30, 2026

Senior Frontend Developer

Senior • Hybrid

16,800 - 20,160 PLN

Senior Frontend Developer

 

Szukamy doświadczonego JavaScript/TypeScript Developera, który będzie odpowiedzialny za rozwój i utrzymanie aplikacji odtwarzacza wideo działających na WWW oraz platformach SmartTV. Rola obejmuje zarówno wdrażanie nowych funkcjonalności, jak i wsparcie w utrzymaniu oraz testowaniu rozwiązań w środowiskach desktop i TV, w obszarze streamingu i platform VOD.

Tryb pracy: hybryda - Warszawa, wymiar do uzgodnienia

 Zakres obowiązków
• Utrzymanie aplikacji odtwarzacza wideo dla stron WWW oraz aplikacji SmartTV
• Przeprowadzenie bieżących prac utrzymaniowych w ramach aplikacji
• Wdrażanie nowych funkcjonalności
• Aktualizacja elementów aplikacji
• Przeprowadzanie testów na środowiskach desktop oraz TV
• Analiza danych biznesowych z wykorzystaniem SQL oraz Power BI
• Uczestnictwo w wytwarzaniu responsywnych i nowoczesnych aplikacji front-endowych
• Wsparcie w diagnozie i rozwiązywaniu błędów produkcyjnych
• Praca zgodna z metodyką Scrum (udział w spotkaniach: Daily Scrum, Sprint Review Meeting, Sprint Retrospective, Sprint Planning Meeting)
• Aktywny udział w wewnątrz-zespołowej wymianie wiedzy

Oczekiwania
• Min. 5 lat doświadczenia przy pracy nad aplikacją JavaScript
• Bardzo dobra znajomość JavaScript / TypeScript
• Dobra znajomość jakiegokolwiek innego języka programowania oprócz: JavaScript / TypeScript / LiveScript / CoffeeScript / Python / PHP
• Dobra znajomość którejkolwiek z bibliotek: AngularJS / React.js / Vue.js / Ember.js / Backbone.js (poświadczona projektem napisanym w jednej z tych technologii)
• Dobra znajomość XML
• Dobra znajomość Node.js i NPM
• Obowiązkowa znajomość systemów do budowania aplikacji: Webpack i Babel
• Obowiązkowa znajomość pakietów do automatyzacji zadań: Gulp i Grunt
• Obowiązkowa znajomość jednego z systemów szablonów: Mustache / Underscore Templates / Handlebars JS / Jade templating / EJS
• Znajomość REST API i JSON-RPC
• Dobra znajomość protokołu HTTP, a w szczególności nagłówków i metod
• Dobra znajomość technologii WebSocket
• Znajomość różnic między przeglądarkami i ich interpretacji języka JavaScript, a także dodatkowych API, które oferują
• Znajomość Google Closure Compiler
• Znajomość systemu wersjonowania GIT lub SVN

Mile widziane:
• Min. 3 letnie doświadczenie w koordynowaniu prac programistycznych co najmniej 3-osobowego zespołu programistycznego
• Znajomość obszaru związanego z procesami dystrybucji i udostępniania treści w kanałach online, w szczególności platform VOD, serwisów streamingowych, HBBTV, portali internetowych oraz produkcji i emisji materiałów promocyjnych (teaserów, zapowiedzi)
jQuery / Underscore.js
Docker
node-webkit
• Praca w środowisku Visual Studio Code lub Atom
• Znajomość C/C++
• Znajomość PHP
• Znajomość rozwiązań web w tym odtwarzaczy wideo
• Znajomość zagadnień związanych ze streamingiem on-line
• Znajomość zagadnień związanych z programowaniem aplikacji na środowisko SmartTV w tym Tizen / WebOS / TitanOS

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Warsaw, Poland

800 - 1,000 PLN

🏢 Summary: Senior Frontend Developer role focused on building a modern, scalable B2C content platform from scratch for a large retail client. The position involves designing frontend architecture, developing high-performance solutions, integrating APIs and headless CMS, and contributing to CI/CD and quality standards. The project is a re-platforming initiative with strong impact on technical decisions and architecture. 🗂️ Requirements: Minimum 5 years commercial experience as Frontend Developer, Strong knowledge of React, Strong knowledge of Next.js, Strong knowledge of TypeScript, Experience building projects from scratch (greenfield), Experience with content, e-commerce or enterprise platforms, Knowledge of frontend performance optimization, Experience with API and external systems integration, Practical experience with Node.js, Experience with headless CMS, Knowledge of accessibility (a11y) principles, Experience with Git, Experience with CI/CD tools, Experience with frontend testing 📃 Skills: React, Next.js, TypeScript, JavaScript, Node.js, API, CI/CD, Git, Contentful, Strapi, Sanity, a11y, HTML, CSS, LLM 🏢 Description: Poszukujemy doświadczonego Senior Frontend Developera do projektu budowy nowoczesnej platformy contentowej dla jednej z największych sieci detalicznych w Polsce. Projekt realizowany jest od podstaw w modelu re-platformingu i obejmuje tworzenie skalowalnego, wydajnego rozwiązania B2C. Zakres obowiązków Projektowanie i rozwój nowoczesnej platformy contentowej w oparciu o React i Next.js Współtworzenie architektury aplikacji oraz decyzji technologicznych Budowa wydajnego frontendu przygotowanego na duży ruch Integracja z API oraz zewnętrznymi systemami Współpraca przy konfiguracji CI/CD oraz standardów developerskich Tworzenie i rozwój bibliotek komponentów oraz design systemu Współpraca z zespołem produktowym, backendowym oraz klientem Utrzymywanie wysokiej jakości kodu poprzez code review, testy i standardy jakości Wykorzystanie narzędzi opartych o modele LLM do usprawniania procesu developmentu Wymagania Must have Minimum 5 lat komercyjnego doświadczenia jako Frontend Developer Bardzo dobra znajomość React, Next.js oraz TypeScript Doświadczenie w budowie projektów od zera (greenfield) Doświadczenie przy platformach contentowych, e-commerce lub enterprise Znajomość zagadnień związanych z wydajnością aplikacji frontendowych Doświadczenie z integracją API oraz systemów zewnętrznych Praktyczna znajomość Node.js Doświadczenie z headless CMS (np. Contentful, Strapi, Sanity) Znajomość zasad accessibility (a11y) Umiejętność pracy z Git oraz narzędziami CI/CD Doświadczenie z testowaniem aplikacji frontendowych Dobra organizacja pracy i umiejętność działania w środowisku projektowym Oferujemy Możliwość pracy przy dużym projekcie budowanym od podstaw Wpływ na architekturę i kierunek rozwoju rozwiązania Długofalową współpracę w modelu B2B Elastyczny model pracy zdalnej Współpracę z doświadczonym zespołem produktowym i technologicznym Nowoczesny stack technologiczny i realny wpływ na decyzje techniczne