Frontend Engineer (React/TypeScript) for Internal Tools

Flix; Województwo mazowieckie; Remote; PLN 124,000 - 165,000; Full time

Job summary

FlixTrain seeks a skilled Fullstack Engineer (Frontend focused) for a service agreement collaboration to build internal planning tools. You will develop frontend features with React and TypeScript, with occasional backend work, collaborating in a distributed team to streamline timetable and vehicle allocation processes.

You will design and implement GraphQL APIs, server-side logic, and database models, while writing tests (Vitest) and contributing to a reusable frontend architecture.

Qualifications

• Hands-on experience with React and TypeScript, strong HTML/CSS skills.
• Backend development experience with GraphQL APIs and server-side logic.
• Experience writing tests with Vitest or similar test runners.
• Understanding of event-driven systems and distributed architectures.
• Fluent written and spoken English; experience in Agile environments.

Responsibilities

• Develop and deliver high-quality frontend features for internal tools, with occasional backend work.
• Build intuitive, responsive interfaces for FlixTrain Network Planning workflows.
• Contribute to frontend architecture decisions and promote code quality across teams.

Skills

React

TypeScript

HTML/CSS

English communication

Agile

Frontend architecture

Tools

React

TypeScript

GraphQL

Node.js

Vitest

Spring Boot

Job description

FlixTrain seeks a skilled Fullstack Engineer (Frontend focused) for a service agreement collaboration to build internal planning tools. You will develop frontend features with React and TypeScript, with occasional backend work, collaborating in a distributed team to streamline timetable and vehicle allocation processes.

You will design and implement GraphQL APIs, server-side logic, and database models, while writing tests (Vitest) and contributing to a reusable frontend architecture.