Front-end Engineer - (Freelance/Service Agreement)

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

We are looking for a skilled Front-end Engineer for service agreement collaboration. Our team is dedicated to automating and streamlining FlixTrain's operations - building internal tools that help manage the fleet more effectively, reduce manual processes, and increase productivity. This is a greenfield environment with plenty of room to shape new products from the ground up and explore innovative solutions for our internal users.

Scope of services

• Independent development and delivery of high-quality frontend features within a self-organized, cross-functional distributed team
• Building intuitive, responsive user interfaces with a focus on internal user experience
• Driving frontend architecture decisions and contributing to technical quality across teams through code reviews and collaboration
• Working with a modern tech stack: React, TypeScript, Vite with Module Federation, TanStack Router & Query, Zustand, Tailwind CSS, React Hook Form with Zod, Vitest, Storybook, React Testing Library, and Biome
• Profound 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 and working with test runners such as Jest or Vitest, including UI/e2e testing
• Solid written and spoken English skills
• Experience working in an Agile setup
• Cooperation based on a service agreement with independent delivery of agreed services and invoicing