Sr Front End (React)

We’re looking for a Senior Frontend Developer with strong expertise in React and TypeScript, and solid architectural thinking. You’ll work on a scalable UI with clearly separated layers and collaborate on features that involve real-time data handling and complex state management..

Project

A Sales Intelligence solution tailored for the B2B segment, actively used by Sales, Marketing, Operations, and Recruiting teams.

- 1.5B+ data points processed and improved daily. 

- Development started 1.5 years ago.

The project involves building high-performance and responsive interfaces, where clean separation of concerns and scalable front-end design are crucial. You will work on a product that requires real-time data handling, complex state management, and strong architectural consistency across features.

Responsibilities

• Develop and maintain UI components with modular, scalable architecture
• Integrate reactive data flows (experience with RxJS or similar is a plus, not required)
• Apply best practices and contribute to architecture decisions
• Collaborate with backend developers, designers, and product managers

Required skills

• 5+ years of commercial frontend development experience
• Strong proficiency in React and TypeScript
• Solid understanding of design patterns and component architecture
• Familiarity with Dependency Injection principles (framework-agnostic)
• Good grasp of Clean Architecture concepts (layer separation, modularity)
• Experience integrating WebSocket/SSE APIs for real-time data (not from scratch)
• Experience with state management tools (Redux, Zustand, React Query, etc.)
• Knowledge of CSS Modules and component libraries like Material UI

Nice to have:

• Experience with Next.js, Astro, or similar frameworks
• Practical or conceptual knowledge of RxJS or reactive programming
• Chrome extension development experience
• Familiarity with CI/CD and deployment workflows
• Experience with WebWorkers / ServiceWorkers

What we offer

• Hybrid work format: 2 remote days + 3 in-office days per week.
• Medical insurance
• 5 paid sick days + flexible work schedule
• 20 vacation days
• Team-building activities
• Happy hours, snacks & drinks
• Option to reschedule workdays when needed