Senior Design/Developer

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

We are seeking a Senior Design/Developer to act as the design and front-end technical

lead for client facing Portals. This is a hybrid role combining UX ownership

(requirements-to-prototype, design system governance) with hands-on senior front-end

engineering leadership. The ideal candidate translates ambiguous business

requirements into validated, high-fidelity prototypes, then leads (and codes alongside)

the mid-level development team to deliver pixel-accurate, accessible, enterprise-grade

portal experiences.

What will your tasks involve?

• Own the requirements-to-prototype pipeline: run discovery with business/product
• stakeholders, produce wireframes, interactive prototypes, and high-fidelity
• designs.
• Define and enforce UI/UX standards, interaction patterns, and design system
• usage across all TA Portal applications.
• Architect and build key React/TypeScript front-end components and shared UI
• libraries, setting technical and design precedent for the team.
• Review pull requests and provide constructive, actionable feedback to mid-level
• developers on both design fidelity and code quality.
• Partner with backend/API teams to ensure front-end designs are technically
• feasible within service and data constraints.
• Drive accessibility compliance (WCAG 2.1 AA) and responsive design across all
• Conduct usability testing/validation sessions and iterate designs based on user
• feedback and analytics.
• Mentor mid-level UI/UX developers on both design thinking and React best
• practices.
• Participate in architecture/design governance reviews as design owner for the
• portal.

What we expect from you?

• Expert-level proficiency in design/prototyping tools (e.g., "Figma"), including
• component libraries and design systems.
• architecture, state management, hooks).
• Demonstrated experience translating designs into production-quality, responsive,
• accessible UI.
• Familiarity with containerized application environments
• (Docker/Kubernetes/OpenShift) and modern CI/CD pipelines.
• both business and engineering audiences.
• Experience reviewing code and providing technical/design feedback within a
• team setting.
• Nice-to-Have: working knowledge of Java or .NET (for backend collaboration/awareness - not a core build requirement), experience with Micro Frontend architectures (Module Federation, single-spa), basic SQL/database knowledge, prior experience in financial services, fund administration, or transfer agency
• platforms.

What you can expect from us?

• Contract Stability
• High level of autonomy and independence
• Senior role: The chance to act as a Senior Design / Developer
• Participation in key projects
• International collaboration: Building and cultivating partnerships across various business regions

this job offer is intended for people over 18 years of age