Senior Frontend Engineer (React)

Nasze wymagania: 8+ years of experience in frontend development. Strong proficiency in React and modern JavaScript/TypeScript ecosystems. Experience building scalable, consumer-facing web applications. Solid understanding of performance optimization and web performance metrics. Experience with REST APIs and GraphQL integrations. Hands-on experience with CI/CD pipelines and cloud platforms. Experience with testing practices (unit testing, TDD). Experience building reusable, composable frontend architectures and component libraries. Understanding of headless CMS solutions (e.g., Contentful, GraphCMS). Familiarity with CDN configuration and optimization (e.g., Cloudflare, CloudFront, Akamai). Excellent communication skills in English. Experience working in cross-functional, agile environments. Ownership mindset with end-to-end responsibility for features and systems. Passion for continuous learning and improvement. O projekcie: We are hiring on behalf of our client, a global innovator in fitness and wellness technology. Their mission is to empower people to live fit, strong, long, and happy lives by delivering integrated experiences to millions of members anytime, anywhere. As a Senior Frontend Engineer, you will take ownership of the frontend architecture and the development of a large-scale e-commerce platform. This is a hands-on role, where you will guide a team of engineers, shape technical direction, and build high-performance user experiences at scale. You will work at the intersection of engineering, product, design, and marketing - driving both delivery and long-term technical excellence. Key takeaways: Stack: React, TypeScript, JavaScript, Next.js, styled-components, GraphQL, CI/CD, AWS Working model: Hybrid - 3 days/week from the office Zakres obowiązków: Define and evolve frontend architecture for a high-traffic e-commerce platform. Make strategic technical decisions that balance short-term delivery with long-term scalability. Lead technical discussions and ensure adoption of best practices across the team. Build and maintain reusable, scalable UI components and contribute to the design system. Develop modern, responsive, and performant web applications with a mobile-first approach. Ensure high standards in code quality, testing, and maintainability. Partner closely with Product Managers, Designers, and Marketing teams to deliver impactful user experiences. Translate business and product requirements into scalable technical solutions. Support experimentation through analytics and A/B testing frameworks. Oferujemy: 100% paid medical care Multisport Creative tax (KUP) Home office allowance MacBook Pro