Senior Frontend Developer - React/TypeScript (Hybrid Warsaw)

Jit Team; Warszawa; Hybrid; PLN 166,000 - 221,000; Full time

Job summary

Jit Team is seeking a Frontend Developer to join an Agile team responsible for a business-critical web application. You will work hands-on with React, TypeScript, and modern tooling to deliver a robust frontend solution.

You will collaborate across disciplines, participate in Agile ceremonies, and contribute to production releases. The role offers hybrid work from Warsaw and a 6-month contract with opportunities for training financed by Jit.

Qualifications

• Experience with a modern React-based web application.
• Proficiency with TypeScript and React Query.
• Strong knowledge of UI libraries and styling (Material UI, Tailwind CSS).
• Experience with React Testing Library and React Form.
• Solid understanding of hook-oriented programming.
• Good communication and collaboration skills.

Responsibilities

• Develop and enhance a modern React-based web application.
• Implement new business requirements and improve existing functionality.
• Support application releases, including preparation, stabilisation, and production deployment activities.
• Provide application support, troubleshoot issues, and resolve defects.
• Ensure continuity of day-to-day application support during dedicated support periods.
• Improve code quality and maintain framework dependencies, including remediation of identified vulnerabilities.
• Collaborate with Backend Developers, Business Analysts, Test Engineers, and end users to deliver effective solutions.
• Participate in Agile ceremonies, including backlog refinement, sprint planning, reviews, and production support activities.

Skills

React.js

React Query

TypeScript

React Testing Library

Material UI

Tailwind CSS

React Form

Hooks

Communication skills

Tools

Java

Spring Boot

Jenkins

TanStack Libraries

Job description

Jit Team is seeking a Frontend Developer to join an Agile team responsible for a business-critical web application. You will work hands-on with React, TypeScript, and modern tooling to deliver a robust frontend solution.

You will collaborate across disciplines, participate in Agile ceremonies, and contribute to production releases. The role offers hybrid work from Warsaw and a 6-month contract with opportunities for training financed by Jit.