CareerPlan

Principal Software Engineer - Global UX - Application - Platform

United KingdomRemoteFull-time€80k–€127k2026-10-23 → 2026-11-10

Core

Provide technical leadership for Elastic UI (EUI), the React component library and design system used by dozens of internal product teams to deliver consistent, accessible, and high-quality experiences.

Role type

Principal Software Engineer (Design System & Platform)

Builds

Elastic UI (EUI) design system, React component library, shared patterns, tokens, and tooling

Domain

SaaS / Search & Security / Frontend Engineering

Required skills

React, TypeScript, component library architecture, design system scaling, API design, theming, accessibility (WCAG), technical leadership, mentoring, distributed team collaboration

Preferred skills

AI-assisted design-to-code workflows, open-source practices, cross-functional stakeholder management

Technologies

React, TypeScript, Design Tokens, Accessibility Tools

Responsibilities

Set technical direction for component architecture, API design, and theming; make hard architectural decisions on composable patterns and migration strategies; mentor engineers and elevate team technical level; partner with design leadership to translate visual intent into robust component APIs; drive adoption of the design system across consuming teams; improve accessibility, performance, and cross-browser correctness; explore AI tools to improve design workflows.