Senior Fullstack React/Node

We are looking for a Senior Fullstack React/Node Engineer:

• Tech Level: Senior
• English Language Proficiency: Upper-Intermediate
• FTE: 1
• Employment type: Full time
• Candidate Location: Poland
• Working Time Zone: EU
• Start: asap
• Planned Work Duration: 12 months
• Technology Stack: React Node

Customer Description:

Our Client is a leading global management consulting firm.

Numerous Fortune-500 clients rely on our Client's platform and services.

These include companies across media, technology, and public sectors.

Project Phase: Active development

Soft Skills:

• Ability to work effectively in a small team and take ownership of features
• Comfortable working in a revamp environment — improving and modernizing an existing application
• Backend logic will mostly remain unchanged, but must be capable of handling increased complexity
• Strong problem-solving and communication skills
• Ability to work independently while collaborating closely with teammates
• Good communication skills

Hard Skills / Must Have:

• 5+ years of experience in full-stack development
• Proficiency in Node.js and React (50/50 split between frontend and backend tasks)
• Solid experience with JavaScript/TypeScript across the full stack
• Strong understanding of RESTful APIs and integration with frontend interfaces
• Hands-on experience in UI/UX improvements and component refactoring
• Familiarity with state management libraries (e.g., Redux, Zustand, or similar)
• Experience with code versioning tools (e.g., Git)
• Basic knowledge of unit testing and test frameworks (Jest, React Testing Library, etc.)

Responsibilities and Tasks:

• Contribute to both frontend (React) and backend (Node.js) development in roughly equal measure
• Lead efforts in improving the UI and overall user experience of the application
• Collaborate with teammates to analyze, design, and implement scalable features
• Maintain and refactor existing backend logic to support heavier business logic and traffic
• Participate in code reviews, technical discussions, and sprint planning
• Help shape technical direction and development standards for the revamped application

Interview stages:

• English check (15 minutes)
• Internal technical interview (1-1,5 hour)
• Client interview (1 hour)

Ready to Join?
We look forward to receiving your application and welcoming you to our team!