[Hiring] Senior React Developer @Poland and Middle-Eastern Europe

Role Description

We are looking for a Senior React / TypeScript Frontend Engineer to join a project delivered for a leading international transportation company specializing in railcar leasing, maintenance, and telematics services. This role is focused on developing and evolving modern, business-critical web applications using a contemporary React and TypeScript technology stack.

• Developing modern frontend applications using TypeScript and the latest version of React with React Compiler.
• Building and maintaining applications within an Nx monorepo.
• Developing reusable UI components and frontend architecture using React and MUI.
• Implementing responsive and maintainable styling using Emotion.
• Building and maintaining reusable components and documenting them through Storybook.
• Developing forms using React Hook Form and implementing schema validation with Zod or Superstruct.
• Managing application state and data fetching using Zustand and TanStack Query.
• Developing and maintaining unit and integration tests using Vitest and React Testing Library.
• Implementing end-to-end tests using Playwright.
• Ensuring code quality and consistency through ESLint, Prettier, Husky, Commitizen, and Commitlint.
• Working with Vite as the module bundler and pnpm as the package manager.
• Implementing logging and application monitoring using CloudWatch RUM.
• Collaborating with other engineers and stakeholders to deliver maintainable and scalable frontend solutions.
• Applying AI-assisted development tools such as Cursor, GitHub Copilot, and Claude throughout planning, implementation, code review, and testing.
• Evaluating different AI models based on their capabilities, cost, and suitability for specific development tasks.
• Applying knowledge of MCP (Model Context Protocol) and identifying relevant use cases for AI-assisted development.
• Contributing to frontend best practices, code reviews, testing, and continuous improvement.

Qualifications

• Strong professional experience with TypeScript and React.
• Hands-on experience building production-grade frontend applications.
• Strong understanding of modern React development and component-based architecture.
• Experience working with Nx and monorepo-based frontend projects.
• Experience with modern frontend build tools such as Vite.
• Experience with component libraries such as MUI and styling solutions such as Emotion.
• Experience with React Hook Form and schema validation libraries such as Zod or Superstruct.
• Solid understanding of frontend state management and data fetching, preferably with Zustand and TanStack Query.
• Strong experience with frontend testing, including unit and integration testing with Vitest and React Testing Library.
• Hands-on experience with Playwright or another modern E2E testing framework.
• Understanding of frontend code quality and development tooling such as ESLint, Prettier, Husky, and Commitlint.
• Experience with Git and modern software development workflows.
• Strong understanding of frontend performance, maintainability, and scalability.
• Ability to work independently while collaborating effectively with other engineers and stakeholders.
• Practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery.

Requirements

• Work from the European Union region and a work permit are required.

Nice to have

• Hands-on experience with React Compiler.
• Experience developing and maintaining component libraries with Storybook.
• Experience with CloudWatch RUM or similar frontend observability solutions.
• Practical experience with AI-assisted development using Cursor, GitHub Copilot, or Claude.
• Knowledge of MCP and AI-assisted engineering workflows.
• Experience evaluating and selecting AI models based on cost, capabilities, and use case.
• Experience working in large-scale Nx monorepos.
• Experience with modern frontend architecture and design systems.
• Experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work.
• Interest in and familiarity with emerging AI-driven practices (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches.

Recruitment Process

• CV review
• HR call
• Interview
• Client Interview
• Decision