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Lead Frontend Engineer

Kraków💼 Full-time💰 $270,000–$406,000🗓 2026-08-26 → 2026-09-25

Core

Lead frontend architecture and shared UI infrastructure for a cloud-native legal data intelligence platform serving law firms and government agencies.

Role type

Senior IC Lead Frontend Engineer (Platform)

Builds

Shared UI frameworks, design systems, and micro-frontend architectures powering RelativityOne

Domain

Legal Tech / Cloud Native / AI

Deliverable

production ML models | product features

Required skills

React, TypeScript, JavaScript (ES6+), Micro Frontends, Design Systems, Accessibility (WCAG), CI/CD, Performance Optimization, Testing (Jest/Cypress/Playwright)

Preferred skills

.NET, Node.js, Python, UX Principles, AI-driven UI/UX, Design Tools (Figma/Sketch)

Technologies

React, TypeScript, PrimeReact, Material UI, Bootstrap, Tailwind, Vite, Webpack, Jest, Cypress, Playwright, GraphQL, REST

Responsibilities

Set technical vision for frontend architecture, lead development of shared UI infrastructure, mentor engineers, drive performance and testing standards, collaborate on micro-frontend strategies, explore AI-enhanced UI/UX

Seniority

Senior, hands-on IC with leadership responsibilities

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