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Senior Frontend Engineer - aiR Assist

Kraków💼 Full-time💰 $208,000–$312,000🗓 2026-09-16 → 2026-09-25

Core

Build and evolve chat and agent user interfaces for Relativity's AI-powered legal data intelligence platform, transforming AI capabilities into polished, conversational experiences for legal and enterprise users.

Role type

Senior Frontend Engineer (AI Chat & Agent Experiences)

Builds

Interactive, conversational UIs for AI chat and agent workflows within a composable micro-frontend platform.

Domain

Legal Tech / Enterprise AI / Cloud Platforms

Deliverable

product features

Required skills

React 19, TypeScript, PrimeReact, Micro-frontends, Module Federation, Web Components, RESTful APIs, GraphQL, React Query, Zustand, Vitest, Playwright, WCAG, Nx monorepo

Preferred skills

Microsoft Azure, Design Systems, .NET, Node.js, AI-enhanced UI patterns, Generative interaction experiences

Technologies

React 19, TypeScript, PrimeReact, Nx, Vite, Webpack, Vitest, Playwright, Storybook, CDN

Responsibilities

Design and implement scalable chat/agent UIs; Build rich AI-powered experiences with streaming and state management; Consume and contribute to micro-frontend platform; Apply modularization practices; Build responsive, accessible cross-platform experiences; Collaborate with UX/Product/Backend teams; Define frontend engineering standards; Own comprehensive frontend test coverage; Mentor engineers.

Seniority

Senior, hands-on IC with mentorship responsibilities

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