Front-end Engineer - Build Modern Internal Tools (React/TS)

FlixBus; Kraków; On-site; PLN 120,000 - 180,000; Full time

Job summary

FlixTrain is seeking a skilled Front-end Engineer for a service agreement collaboration in Kraków, Poland. You will join a greenfield environment to shape new internal tools used to automate and streamline operations.

You'll work in a self-organized, cross-functional team, building responsive UIs with React and TypeScript, and influencing frontend architecture across teams through reviews and collaboration. Proactive English communication and an agile mindset are essential.

Qualifications

• Independent development and delivery of high-quality frontend features within a self-organized, cross-functional distributed team.
• Build intuitive, responsive UI with focus on internal user experience.
• Drive frontend architecture decisions and contribute to technical quality across teams via code reviews and collaboration.
• Work with a modern tech stack: React, TypeScript, Vite, Module Federation, TanStack Router & Query, Zustand, Tailwind CSS, React Hook Form with Zod, Vitest, Storybook, React Testing Library, and Biome.
• Strong understanding of TypeScript and its ecosystem (package managers, bundlers, linters, etc.).
• Extensive knowledge of HTML and CSS.
• Hands-on experience with React.js.
• Experience writing tests with Jest or Vitest, including UI/e2e testing.
• Fluent written and spoken English.
• Experience working in an Agile setup.
• Cooperation based on a service agreement with independent delivery and invoicing.

Responsibilities

• Independently develop and deliver frontend features within a self-organized team.
• Create intuitive, responsive user interfaces for internal users.
• Contribute to frontend architecture decisions and perform code reviews to uphold quality.
• Collaborate across teams using a modern stack (React, TS, Vite, etc.).
• Demonstrate strong TypeScript and HTML/CSS skills in daily tasks.
• Write tests using Jest or Vitest and participate in UI/e2e testing.
• Communicate effectively in English and work in an Agile environment.

Skills

Front-end development

Agile

Independent work

English proficiency

Tools

React

TypeScript

Vite

Module Federation

TanStack Router

Tailwind CSS

React Hook Form

Zod

Vitest

Storybook

React Testing Library

Biome

Job description

FlixTrain is seeking a skilled Front-end Engineer for a service agreement collaboration in Kraków, Poland. You will join a greenfield environment to shape new internal tools used to automate and streamline operations.

You'll work in a self-organized, cross-functional team, building responsive UIs with React and TypeScript, and influencing frontend architecture across teams through reviews and collaboration. Proactive English communication and an agile mindset are essential.