Regular Frontend Engineer (Platform)

With the aim of providing easily customizable online pre-employment assessment tests, eSkill Corporation has developed into a global leader in employment-related skills testing. eSkill provides organizations with a web-based skill testing service. Specifically, the eSkill application lets hiring and training managers configure tests from our extensive subject library to match their hiring and training needs and reduce the risk of hiring failures and discrimination litigation.

Our product currently operates on an outdated front-end stack built on the proprietary

Liferay Portal framework (utilizing an AMD loader) and legacy tooling such as Gulp,

Babel 6, and Webpack 4. We are seeking a Frontend Engineer to help with the

migration to a modern technology stack—including TypeScript, Vite, and

Storybook—while also contributing to the development of new product features.

Requirements

• 2–4 years of professional front-end development experience.
• Solid understanding of TypeScript/JavaScript, React, Webpack/Vite, eslint/prettier, npm or pnpm.
• Solid knowledge of web security, web performance and accessibility best
  
  

practices.

• Experience integrating REST and/or GraphQL APIs.
• Experience building and maintaining in-house libraries/workspaces (Frontend Platform, Design System).
• Exposure to CI/CD pipelines and the general build process.
  
  

Nice-to-have

• Lerna / NX experience.
• TanStack libraries experience.
  
  

Responsibilities

• Migrate to a modern tooling across multiple codebases.
• Build new UI features in React + TypeScript with clean, maintainable code.
• Pair with backend, Product, and Design to deliver end-to-end slices in each sprint.
• Write unit and integration tests (React Testing Library, Playwright).
• Improve CI/CD process and gradually replace legacy components with modern variants alongside the Modernization Lead.
  
  

Benefits

• Development fund of 3k PLN per year per head
• Flexibility in choosing the type of contract
• Paid holiday
• Private healthcare (Luxmed via Warta)
• Sports card (Multisport)
• Free English classes
• Team building and socializing events
• Competitive salary
• Udemy access etc.