Senior UX Engineer - Design System & UI Governance

Balyasny Asset Management L.P.; Warszawa; On-site; PLN 230,000 - 360,000; Full time

Job summary

Balyasny Asset Management L.P. seeks a Senior UX Engineer to lead enterprise design systems and govern firmwide UI patterns. The role focuses on turning design tokens into production React/TypeScript components and advancing accessible, consistent interfaces across trading and analytics tools.

You will co-own the internal design system, collaborate with design, engineering, and product teams, and mentor teams through documentation and hands-on prototyping.

Qualifications

• 8+ years in front-end, UX engineering, or design-system engineering.
• Deep React, TypeScript, and modern component-library development experience.
• Strong knowledge of Figma libraries, tokens, variants, and governance practices.
• Experience scaling design systems used by multiple product teams.
• Practical experience with ShadCN, Radix, Tailwind, or comparable UI primitives.
• Ability to translate design standards into maintainable production components.
• Strong accessibility judgment across components, patterns, and workflows.
• Clear communication with engineers, designers, product leads, and senior stakeholders.
• Comfort setting standards without slowing delivery or team autonomy.

Responsibilities

• Lead firmwide UX governance with practical standards, reviews, and adoption guidance.
• Co-own the internal design system with design, engineering, and platform partners.
• Co-govern ShadCN UI asset libraries, React patterns, and component usage.
• Maintain Figma standards for tokens, variants, components, and documentation.
• Translate Figma patterns into production-ready React and TypeScript components.
• Partner with application teams to improve UI consistency across internal products.
• Review high-impact workflows for usability, accessibility, and implementation quality.
• Define guidance for design tokens, theming, interaction states, and layouts.
• Support adoption through documentation, examples, and team enablement sessions.
• Stay hands-on through code review, prototyping, and technical design discussions.
• Raise the quality bar for reusable UI, front-end architecture, and developer experience.

Skills

React

TypeScript

Figma governance

Design systems

ShadCN

Tailwind

Accessibility

Cross-team collaboration

Tools

ShadCN UI libraries

Radix

Tailwind CSS

Monorepos

Job description

Balyasny Asset Management L.P. seeks a Senior UX Engineer to lead enterprise design systems and govern firmwide UI patterns. The role focuses on turning design tokens into production React/TypeScript components and advancing accessible, consistent interfaces across trading and analytics tools.

You will co-own the internal design system, collaborate with design, engineering, and product teams, and mentor teams through documentation and hands-on prototyping.