Senior Frontend Enigneer

• Position: Senior Frontend Engineer • Type of contract: COE (UoP) up to 22 700 PLB gross/month • Working model: fully remote You can join our client and work on a modern digital platform designed to better connect shoppers and retailers within the global e-commerce ecosystem. The project focuses on building and enhancing scalable web applications and core services that power user interactions. You’ll collaborate closely with product and design teams to deliver intuitive, high-performance user experiences. The environment emphasizes innovation, usability, and continuous improvement of frontend architecture. Role summary: As a Senior Engineer, you will take ownership of designing and developing responsive, high-quality user interfaces while collaborating with cross-functional teams. The role involves translating UI/UX designs into functional applications, improving performance, and ensuring consistency through reusable components. You’ll also contribute to code quality through reviews and support architectural decisions. The position requires strong expertise in modern frontend technologies, especially React and TypeScript, along with experience in scalable application development. Responsibilities: • Design and develop modern, responsive user interfaces • Collaborate with designers, backend engineers, and DevOps teams • Review code and maintain high engineering standards • Build reusable UI components and optimize performance • Ensure cross-browser compatibility and accessibility Key requirements: • Degree in Computer Science (or equivalent experience) • 4+ years of experience in software engineering • Strong knowledge of JavaScript, TypeScript, HTML, and CSS • Expertise in React ecosystem (React 19, routing, bundlers, micro-frontends) • Experience with state management (Zustand, React Query, RxJS) • Familiarity with testing (Jest, Playwright), CI/CD, and cloud environments (preferably Azure, Kubernetes) • Solid understanding of APIs, databases (SQL), and distributed systems Offer: • COE, up to 22 700 PLN gross per month • Private healthcare, life insurance, sports card, and lunch subsidy • Learning and development support (including tuition assistance) • Employee Assistance Program • Remote or hybrid work model supporting work–life balance • Opportunity to collaborate with experienced engineers on global-scale e-commerce solutions