UI Developer

• Salary based on B2B contract (via Devire) 180-200 pln/h net+vat
• Long-term employment
• Private HealthCare
• Sports card 
• Life insurance
• Working for a leading corporation with a stable market position
• Working in the international environment
• Hybrid work (3 days a week office work) with supportive and positive environment

• 5–10 years of professional experience in UI/Frontend development
• Develop and maintain modern web applications using JavaScript (ES6+) and TypeScript
• Build dynamic, high-performance UIs using React
• Implement and style components with CSS3 and CSS-in-JS solutions
• Configure and optimize build processes using Webpack, Vite, or similar bundlers
• Create highly responsive, event-driven interfaces powered by real-time streaming data
• Utilize WebSockets for real-time communication
• Write unit tests with Jest, Vitest, and similar tools
• Manage application state efficiently across complex components and data flows
• Continuously optimize web performance for speed and responsiveness
• Fluent in English (C1 level or above) — strong communication and collaboration skills

Responsibilities

• Design, develop, and maintain complex web applications using JavaScript (ES6+) and TypeScript

• Build scalable, dynamic UIs with React

• Style components using CSS3 and CSS-in-JS approaches

• Configure and optimize frontend build systems using Webpack, Vite, or similar tools

• Develop highly reactive, event-driven UIs powered by real-time streaming data

• Work with WebSockets for efficient real-time data handling

• Write and maintain robust unit tests using Jest, Vitest, etc.

• Implement and manage scalable state management strategies

• Optimize applications for performance, responsiveness, and scalability