Senior Design/Developer

Randstad Polska Sp. z o.o.; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

Randstad Polska Sp. z o.o. is seeking a Senior Design/Developer to acting as the design and front-end technical lead for client facing Portals.

The role blends UX ownership with hands-on senior front-end engineering leadership to deliver pixel-accurate, accessible portal experiences. You will translate business requirements into validated prototypes, lead the mid-level team, and collaborate with backend teams to ensure feasible, scalable front-end designs while maintaining WCAG accessibility and

Qualifications

• Expert-level proficiency with design/prototyping tools (e.g., Figma) and design systems.
• Strong hands-on React.js + TypeScript development experience.
• Experience turning designs into production-ready, accessible UI.
• Familiarity with containerized environments and modern CI/CD.
• Excellent stakeholder communication and feedback skills.

Responsibilities

• Own requirements-to-prototype pipeline with stakeholders and produce wireframes and interactive prototypes.
• Define and enforce UI/UX standards and design system usage across TA Portal apps.
• Architect and build React/TypeScript front-end components and shared UI libraries.
• Review PRs and provide feedback on design fidelity and code quality.
• Collaborate with backend teams to ensure feasible front-end designs.
• Drive WCAG 2.1 AA accessibility and responsive design across portal screens.
• Lead usability testing sessions and iterate designs from user feedback.
• Mentor mid-level UI/UX developers in design thinking and React best practices.
• Participate in governance reviews as design owner for the portal.

Skills

React.js

TypeScript

UI/UX design

Figma

Design systems

Accessibility WCAG

Stakeholder mgmt

Tools

Docker

Kubernetes

OpenShift

CI/CD pipelines

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
  portal screens.
• 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.
• Strong hands-on React.js + TypeScript development experience (component
  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.
• Strong stakeholder management — comfortable defending design decisions to
  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

Employment agency entry number 47

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