Senior Frontend Developer for Scalable Applications

6 hours ago


Remote Warszawa, Czech Republic DEV12 Full time
About DEV12

We are a leading tech company dedicated to delivering high-quality, scalable applications. Our team is passionate about innovation and committed to excellence.

Job Description

As a Senior Frontend Developer at DEV12, you will play a key role in shaping the direction of our frontend development strategy. You will be responsible for designing and implementing modern, user-friendly interfaces using React and TypeScript, collaborating with backend developers to integrate GraphQL and REST APIs, participating in code reviews to ensure code quality, troubleshooting and debugging application issues, and staying up-to-date with frontend trends and technologies to continuously improve our product.

Required Skills and Qualifications
  • Minimum 2-4 years of experience in documented frontend development
  • Strong knowledge of React and TypeScript
  • Understanding of REST API and GraphQL
  • Familiarity with design tools like Figma or StoryBook for interpreting UI/UX designs
  • Basic experience with Node.js (preferred for full-stack tasks)
  • Experience with responsive design and building user interfaces
  • Familiarity with version control systems (Git)
Nice to Have
  • Experience with mobile application development (e.g. React Native)
  • Familiarity with modern React UI/UX component libraries and design systems, such as MantineUI, Chakra UI, or similar
  • Understanding of Next.js and modern React frameworks
  • Understanding of React state management libraries and patterns
  • Testing libraries knowledge (e.g. Jest, Cypress)
  • Knowledge of CI/CD pipelines and frontend deployment processes
  • Understanding of frontend performance optimization techniques
  • Ability to work in an Agile/Scrum environment
What We Offer
  • Significant autonomy in shaping the direction of your work
  • Opportunity to work on projects for larger organizations
  • Collaboration with UX designers, backend developers, and AI specialists
  • Seamless integration and delivering high-quality results


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