Senior Frontend Engineer – React.js/TypeScript

Diverse CG Sp. z o.o. Sp.k.; Poland; Remote; PLN 216,000 - 336,000; Full time

Benefits offered by this job

Private medical care

Sports card subsidy

Dedicated consultant support

Job summary

DCG is actively seeking a Senior Frontend Developer to join our team in Warsaw. You will be responsible for developing and enhancing the EFM UI with React 18+, TypeScript, and modern frontend tools.

Collaborate with cross-functional teams to implement new features, fix issues, and ensure smooth production rollouts. Required 5+ years in frontend development, strong React/TypeScript skills, and experience with React Query, Testing Library, Material UI, Tailwind CSS, and React Hook Form.

Qualifications

• 5+ years of frontend development experience.
• Strong commercial experience with React.js 18+.
• Excellent knowledge of TypeScript and hook-based React development.
• Experience with React Query / TanStack Query.
• Experience with React Testing Library.
• Practical knowledge of Material UI and Tailwind CSS.
• Experience with React Hook Form.
• Ability to develop, maintain and troubleshoot production frontend applications.
• Good communication and cross-functional Agile teamwork.
• Fluency in English (written and spoken).
• Nice to have: Java and Spring Boot knowledge.
• Nice to have: experience with other TanStack libraries.
• Nice to have: Jenkins familiarity.

Responsibilities

• Develop and enhance the redesigned EFM UI using modern frontend technologies.
• Implement new business requirements and application functionality.
• Support preparation, stabilization and production rollout of new EFM UI releases.
• Provide ongoing application support, troubleshooting and bug fixing.
• Maintain and improve code quality and manage framework dependencies.
• Collaborate with Backend Developers, Business Analysts and Test Engineers to clarify requirements and deliver solutions.
• Participate in Agile activities including backlog refinement and sprint planning.

Skills

React.js 18+

TypeScript

React Query

React Testing Library

Material UI

Tailwind CSS

React Hook Form

English

Agile teamwork

Tools

React.js

TanStack Query

Jenkins

Java

Job description

DCG is actively seeking a Senior Frontend Developer to join our team in Warsaw. You will be responsible for developing and enhancing the EFM UI with React 18+, TypeScript, and modern frontend tools.

Collaborate with cross-functional teams to implement new features, fix issues, and ensure smooth production rollouts. Required 5+ years in frontend development, strong React/TypeScript skills, and experience with React Query, Testing Library, Material UI, Tailwind CSS, and React Hook Form.