UI Developer

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Job Summary

We’re building a mission-critical analytics platform that processes millions of data points daily for thousands of professionals. The work you do will directly affect the speed, accuracy, and usability of a platform.

This role is perfect for engineers who are already strong in modern front-end development and want to deepen their expertise in real-time systems, high-performance data visualization, and scalable architectures.

What You’ll Do

· Develop high-performance, responsive applications using React and TypeScript.

· Implement real-time streaming using Server-Sent Events (SSE), WebSockets, and Pub/Sub messaging with fallback strategies.

· Build data-rich visualizations with Apache ECharts, D3.js, or Highcharts.

· Optimize UI performance for large-scale datasets and thousands of concurrent users.

· Write and maintain unit, integration, and E2E tests.

· Collaborate with designers, backend engineers, and product managers in an Agile environment.

· Ensure accessibility compliance.

· Debug, troubleshoot, and fix production issues.

Must-Have Skills

· React & TypeScript

· JavaScript (ES6+) fundamentals

· Data visualization libraries: Apache ECharts, D3.js, Highcharts, Chart.js, or Recharts

· SSE, WebSockets, Pub/Sub messaging

· SCSS/SASS, CSS Modules, or CSS-in-JS

· State management

· REST and GraphQL API integration

· Performance optimization techniques

· Accessibility best practices

· Git-based workflow

Preferred Skills

· Experience in analytics and dashboards

· Micro-frontend architectures (Webpack Module Federation, Single-SPA)

· Component library creation and npm publishing

· CI/CD pipelines, Docker

· PWA development