Senior UI/UX & Front-End Lead — Design Systems & React

Diverse Consulting Group; Polska; Hybrid; PLN 250,000 - 360,000; Full time

Benefits offered by this job

Private medical care

Co-financing for sports card

Dedicated consultant support

Job summary

Diverse Consulting Group is seeking a seasoned Senior UI/UX Design & Front-End Lead to drive the requirements-to-prototype process for complex client portal applications. You will define UI/UX standards, build React/TypeScript components, and mentor mid-level developers, while ensuring accessibility, performance, and scalable design.

This role requires strong English communication and a robust portfolio. Collaborate with backend teams, review PRs, and participate in architecture discussions to

Qualifications

• 14+ years in software design and development.
• 8+ years with React.js and TypeScript.
• Strong portfolio of advanced UI/UX and product design.
• Expert knowledge of design and prototyping tools such as Figma, including component libraries and design systems.
• Strong experience with React component architecture, hooks, state management and reusable UI development.
• Proven ability to translate high-fidelity designs into production-ready, responsive and accessible interfaces.
• Strong understanding of WCAG accessibility standards and modern responsive design practices.
• Experience working with modern CI/CD environments and containerized applications using technologies such as Docker, Kubernetes or OpenShift.
• Experience conducting code reviews and providing technical and design guidance to development teams.
• Strong stakeholder management and communication skills, including the ability to explain and defend design and technical decisions to both business and engineering stakeholders.
• Experience mentoring developers and supporting technical decision‑making within a front‑end team.
• Fluency in English (both written and spoken).

Responsibilities

• Lead requirements-to-prototype process from discovery to high-fidelity designs.
• Define UI/UX standards, interaction patterns and design systems across client-facing portals.
• Design and develop React.js and TypeScript components, shared UI libraries and reusable front-end solutions.
• Establish front-end architecture, coding standards and development best practices.
• Review pull requests and provide actionable feedback on code quality, architecture, usability and design fidelity.
• Collaborate with backend and API teams to ensure UX feasibility within constraints.
• Ensure WCAG 2.1 AA accessibility and responsive design principles.
• Conduct usability testing and iterate based on user feedback and business needs.
• Mentor mid-level developers in UI/UX design thinking, React development and front-end engineering best practices.
• Represent the portal area in architecture, design and governance discussions.
• Ensure delivered solutions are scalable, maintainable, accessible and consistent across applications.
• Nice to have: working knowledge of Java or .NET environments; Micro Frontend architectures (Module Federation, single-spa); SQL basics; experience in financial services.

Skills

React.js

TypeScript

UI/UX design

Design systems

Stakeholder management

Mentoring

English language

Tools

Figma

Docker

Kubernetes

OpenShift

Job description

Position: Senior UI/UX Design & Front-End Lead

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

Senior UI/UX Design & Front-End Lead

Responsibilities:

• Lead the full requirements-to-prototype process, from stakeholder discovery and requirements clarification to wireframes, interactive prototypes and high-fidelity designs
• Define and maintain UI/UX standards, interaction patterns and design systems across client-facing portal applications
• Design and develop key React.js and TypeScript components, shared UI libraries and reusable front-end solutions
• Establish front-end architecture, coding standards and development best practices
• Review pull requests and provide actionable feedback on code quality, architecture, usability and design fidelity
• Collaborate with backend and API teams to ensure proposed user experiences are technically feasible and aligned with service and data constraints
• Ensure compliance with WCAG 2.1 AA accessibility standards and responsive design principles
• Conduct usability testing and validation sessions and improve solutions based on user feedback, analytics and business requirements
• Mentor mid-level developers in UI/UX design thinking, React development and front-end engineering best practices
• Represent the portal area in architecture, design and technical governance discussions
• Ensure delivered solutions are scalable, maintainable, accessible and consistent across applications

Requirements:

• 14+ years of overall experience in software, digital product or application design and development
• 8+ years of hands-on experience with React.js and TypeScript
• Strong portfolio demonstrating advanced UI/UX design and product design experience
• Expert knowledge of design and prototyping tools such as Figma, including component libraries and design systems
• Strong experience with React component architecture, hooks, state management and reusable UI development
• Proven ability to translate high-fidelity designs into production-ready, responsive and accessible interfaces
• Strong understanding of WCAG accessibility standards and modern responsive design practices
• Experience working with modern CI/CD environments and containerized applications using technologies such as Docker, Kubernetes or OpenShift
• Experience conducting code reviews and providing technical and design guidance to development teams
• Strong stakeholder management and communication skills, including the ability to explain and defend design and technical decisions to both business and engineering stakeholders
• Experience mentoring developers and supporting technical decision-making within a front-end team
• Fluency in English (both written and spoken)

Nice to have:

• Working knowledge of Java or .NET environments
• Experience with Micro Frontend architectures, including technologies such as Module Federation or single-spa
• Basic knowledge of SQL and relational databases
• Previous experience within financial services, fund administration or transfer agency platforms

Offer:

• Private medical care
• Co-financing for the sports card
• Constant support of dedicated consultant

Personal Consulting Agency (License No. 4642)