Our Customer:
Our client is a fast-growing cybersecurity technology company developing a large-scale platform for simulating cyberattacks and assessing security posture. The product includes complex web interfaces, high-load backend services, and cloud-native components.
Your Tasks:
- Design, develop, and maintain advanced frontend features using React and modern JavaScript (ES6+).
- Build complex UI components, interactive dashboards, and scalable, reusable component libraries (including Storybook).
- Own and evolve the frontend architecture, ensuring high performance, maintainability, and a consistent user experience across the platform.
- Optimize rendering behavior and application performance, minimizing unnecessary re-renders and improving perceived UI responsiveness.
- Collaborate closely with product managers, designers, and backend engineers to deliver high-quality features end to end.
- Participate in technical discussions, frontend architecture decisions, and code reviews.
- Integrate frontend applications with backend APIs (Node.js-based services).
- Work with Git-based workflows and CI/CD pipelines to ensure smooth delivery and deployment.
- Ensure clean, testable, and well-documented code following frontend best practices.
Required Experience & Skills:
- 5+ years of professional experience in frontend or web development.
- Senior-level expertise in React and the modern frontend ecosystem.
- Excellent command of JavaScript, with a deep understanding of how the language works (execution context, async behavior, data handling).
- Strong experience designing and maintaining reusable UI components and design systems (Storybook or similar).
- Solid understanding of frontend application architecture, state management strategies, and data flow patterns.
- Experience optimizing React applications for performance and scalability.
- Working knowledge of backend integration (REST APIs, Node.js services).
- Experience working with relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB) at an integration level.
- Familiarity with CI/CD pipelines and modern development workflows.
- Strong focus on code quality, testing, and maintainability.
- English — Upper-Intermediate+ (written and spoken).
Working conditions
5-day working week, 8-hour working day;
All UA public holidays are days off;
Vacation and sick leave are covered by the company;
Remote work.