React Frontend Developer - Hybrid B2B

Senovo IT Ltd; Warszawa; Hybrid; PLN 140,000 - 200,000; Full time

Job summary

Senovo IT Ltd is seeking an experienced React Frontend Developer to join an international development team working on a modern financial services application. You will develop new functionality and maintain an existing production application in an Agile environment, collaborating with Backend Developers, Test Engineers, Business Analysts and business users.

Location: Warszawa hybrid with three days from the office. Language: English, Polish good to have.

Qualifications

• Experience with React.js 18+ and TypeScript in a production setting.
• Solid understanding of React Hooks and React Query/TanStack Query.
• Proven experience with frontend tooling and modern CSS frameworks.

Responsibilities

• Developing and enhancing frontend functionality.
• Implementing new features based on business requirements.
• Maintaining and improving the existing application.
• Troubleshooting technical issues and delivering bug fixes.
• Supporting application releases and production deployments.
• Improving code quality, performance and security.
• Collaborating with technical and business teams.

Skills

React.js

TypeScript

React Hooks

React Query

Frontend development

Testing Library

MUI

Tailwind CSS

React Hook Form

Tools

Material UI (MUI)

Tailwind CSS

React Hook Form

React Testing Library

Job description

We are looking for an experienced React Frontend Developer to join an international development team working on a modern financial services application.

You will be responsible for developing new functionality as well as maintaining and supporting an existing production application. The role involves working closely with Backend Developers, Test Engineers, Business Analysts and business users within an Agile environment.

Location: Warszawa -3 days from the office

Language : English, Polish good to have

Duration: Long term

Key responsibilities include:

• Developing and enhancing frontend functionality
• Implementing new features based on business requirements
• Maintaining and improving the existing application
• Troubleshooting technical issues and delivering bug fixes
• Supporting application releases and production deployments
• Improving code quality, performance and security
• Collaborating with technical and business teams

The ideal candidate will have strong hands-on experience with React.js 18+, TypeScript and React Query/TanStack Query, together with a solid understanding of React Hooks. Experience with React Testing Library, Material UI (MUI), Tailwind CSS and React Hook Form is also important.