Senior Frontend Engineer
New
Kraków, -, Warszawa, -, Katowice, -, Wrocław, -, Gdańsk, -, Kraków, Country code: PLFull-TimeSenior
Salary4344 - 4930 CHF per month gross permanent currencySource=conversion; 4722 - 5359 EUR per month gross permanent currencySource=conversion; 4076 - 4626 GBP per month gross permanent currencySource=conversion; 5454 - 6190 USD per month gross permanent currencySource=conversion; 20000 - 22700 PLN per month gross permanent currencySource=original
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Job Details
- Languages
- English B2, Polish C1
- Experience
- 4+ years
- Required Skills
- SQLHTMLCSSJavascriptKubernetesMySQLTypeScriptAzureReactCI/CD
Requirements
- Degree in Computer Science (or equivalent experience)
- 4+ years of experience in software engineering
- Practical knowledge in JavaScript, TypeScript, CSS, HTML
- Expertise in the React ecosystem (React 19, React Router, modern bundlers, micro-frontend architectures)
- Experience with state management and data-fetching libraries (Zustand, TanStack React Query, RxJS)
- Experience with unit and E2E testing frameworks (Jest, Testing Library, Playwright)
- Familiarity with CI/CD pipelines (Azure DevOps, GitHub Actions, or Jenkins)
- Experience with production applications in cloud environments (Azure and Kubernetes preferred)
- Understanding of database concepts and SQL (MySQL or PostgreSQL)
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
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