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Senior JavaScript React Developer

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Cyclad Sp. z o.o.

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Location:
Poland , Warsaw

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Category:
IT - Software Development

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Contract Type:
B2B

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Salary:

125.00 PLN / Hour
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Job Description:

In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. For our client, we are looking for a Senior JavaScript React Developer to join our client's Website & eCommerce team. In this role, you will be responsible for building and maintaining modern, high-performance frontend solutions using React.js and Next.js. You will collaborate closely with designers, backend developers, and international stakeholders while driving best practices across the development lifecycle. You will play a key role in the evolution of large-scale, multi-country digital platforms and contribute to the transition toward a new multisite Drupal platform planned for 2026.

Job Responsibility:

  • Develop and maintain frontend components using React.js and Next.js (SSG/SSR, i18n, performance optimization)
  • Build and support custom CMS modules, plugins, and integrations
  • Contribute to all phases of the software development lifecycle: design, development, testing, deployment, and maintenance
  • Drive and promote best practices, including test-driven development, CI/CD, SCRUM, refactoring, and code standards
  • Collaborate closely with UX/UI designers and frontend/backend developers to deliver intuitive and visually appealing user experiences
  • Ensure website content is easily editable by non-technical users
  • Optimize applications for performance, scalability, and accessibility (WCAG)
  • Work with distributed international teams and key stakeholders
  • Stay up to date with emerging frontend technologies and industry trends

Requirements:

  • Strong skills in React.js and Next.js (SSG/SSR, i18n, performance optimization)
  • JavaScript/TypeScript, HTML5, SCSS/Tailwind
  • REST, GraphQL
  • Jira, Git, Figma, Confluence
  • Headless, Decoupled, Micro Frontends, Component-based design (Preferred)
  • Docker, Kubernetes, GitLab CI/CD, AWS/Azure/GCP
  • Strong front-end skills: HTML, CSS, JavaScript, jQuery, plus modern frameworks (React, Next.js)
  • Understanding of the entire web development process (design, development, deployment)
  • Good understanding of asynchronous request handling, partial page updates, and AJAX
  • Proficient in cross-browser compatibility and scalable application design principles
  • Experience with data migration, transformation, and scripting
  • Familiarity with Agile and Scrum methodologies
  • Prior experience with digital accessibility (WCAG)
  • English (B2+ Required)
What we offer:
  • Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible
  • Multisport card (also for an accompanying person)
  • Life insurance

Additional Information:

Job Posted:
February 14, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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