Senior Design/Dev Lead: React UI & Design Systems

Randstad Polska; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

Randstad Polska is seeking a Senior Design/Developer to act as the design and front-end technical lead for client facing portals. This hybrid role combines UX ownership with hands-on senior front-end engineering leadership.

You translate ambiguous business requirements into validated, high-fidelity prototypes, then lead and code alongside a mid-level team to deliver accessible, pixel-perfect portal experiences.

Qualifications

• Expert-level proficiency in design/prototyping tools (Figma and more).
• Experience turning designs into production-grade, accessible UI.
• Knowledge of React/TypeScript front-end architecture and state management.
• Familiarity with containerized environments (Docker/Kubernetes/OpenShift) and CI/CD.

Responsibilities

• Own the requirements-to-prototype pipeline, running discovery with stakeholders.
• Produce wireframes, interactive prototypes, and high-fidelity designs.
• Define and enforce UI/UX standards and design system usage across portal apps.
• Architect and build key React/TypeScript front-end components and shared UI libraries.
• Review pull requests and provide design and code feedback to mid-level developers.
• Collaborate with backend/API teams to ensure feasibility.
• Drive accessibility compliance (WCAG 2.1 AA) and responsive design.
• Mentor mid-level UI/UX developers on design thinking and React practices.
• Participate in architecture governance reviews as design owner for the portal.

Skills

Figma

Design systems

React/TypeScript

UI prototyping

Tools

Docker

Kubernetes

OpenShift

CI/CD

Job description

Randstad Polska is seeking a Senior Design/Developer to act as the design and front-end technical lead for client facing portals. This hybrid role combines UX ownership with hands-on senior front-end engineering leadership.

You translate ambiguous business requirements into validated, high-fidelity prototypes, then lead and code alongside a mid-level team to deliver accessible, pixel-perfect portal experiences.