Frontend Engineer — Build Internal Tools (Poland)

Félix; Warsaw (IN); On-site; USD 33,000 - 44,000; Full time

Job summary

Félix is seeking a Front-end Engineer for a service agreement to collaborate with a team focused on automating FlixTrain’s operations. You will build internal tools to streamline fleet management, improve productivity, and reduce manual work.

The role offers a greenfield environment with room to shape new products for internal users. You will work with a modern stack including React, TypeScript, Vite, Module Federation, and testing tools like Vitest/Jest, in an agile setup with emphasis on

Qualifications

• Proficient in TypeScript and its ecosystem (packagers, bundlers, linters).
• Strong HTML and CSS knowledge.
• Hands-on React.js experience.

Responsibilities

• Develop and deliver high-quality frontend features in a self-organized team.
• Build intuitive, responsive UIs for internal users.
• Drive frontend architecture decisions and participate in code reviews.

Skills

Typescript

HTML

CSS

React.js

Testing (Jest/Vitest)

Agile

English (written & spoken)

Tools

React

TypeScript

Vite

Module Federation

TanStack Router

Zustand

Tailwind CSS

React Hook Form

Zod

Vitest

Storybook

React Testing Library

Job description

Félix is seeking a Front-end Engineer for a service agreement to collaborate with a team focused on automating FlixTrain’s operations. You will build internal tools to streamline fleet management, improve productivity, and reduce manual work.

The role offers a greenfield environment with room to shape new products for internal users. You will work with a modern stack including React, TypeScript, Vite, Module Federation, and testing tools like Vitest/Jest, in an agile setup with emphasis on