Senior Product UI/UX Designer - IE

About Fluxicart

Fluxicart is a white-label multi-tenant marketplace platform that empowers merchants to create their own fully customized online stores (themes, domains, branding) while operating under a centralized platform that manages payments, deliveries, commissions, and administrative dashboards.

We are building the "Shopify + iFood + Production System" for the European market, starting with Portugal and expanding to Ireland, the UK, and beyond.

Our stack is modern and ambitious:

• Current: Next.js 15 (App Router) + React 19 + TypeScript + Prisma + SQLite/PostgreSQL
• Future: Migrating to microservices with Rust (Axum) + gRPC + NATS + Redis
• Design: shadcn/ui (Radix UI) + TailwindCSS + custom design system

We are backed by a clear product vision, an active user base, and a roadmap that includes international expansion, WebSocket real-time features, and high-performance Rust microservices.

The Role

We are looking for a Senior UI/UX Designer to own the end-to-end design of the Fluxicart platform. You will design experiences for seven different user personas (Admin, Client, Fluxer, Accountant, Staff, Consumer, Rider) across three applications (Web Dashboard, Storefront, Rider Mobile App).

In this role, you will:

• Own the design system — build and maintain our shadcn/ui-based design system
• Design complex B2B interfaces — dashboards, data tables, forms, and workflows
• Create delightful consumer experiences — storefronts, checkout, order tracking
• Design mobile-first experiences for the Fluxiway rider app (React Native)
• Work closely with Product Managers and Engineers to ship high-quality features
• Conduct user research and usability testing with real customers
• Create interactive prototypes in Figma
• Leverage AI design tools (MCP AI, Figma AI) to accelerate workflows
• Ensure accessibility (WCAG 2.1 AA) across all interfaces
• Build component libraries that engineers can implement with shadcn/ui
• Define and document design patterns and interaction guidelines

You'll have a direct impact on the product and the company's growth — we're a flat team where designers ship fast, learn continuously, and shape the product roadmap.

Key Responsibilities

Design System & UI (40%)

• Own and evolve the Fluxicart Design System built on shadcn/ui + TailwindCSS
• Create reusable components in Figma that map directly to shadcn/ui React components
• Define typography, color palette, spacing, and motion guidelines
• Build dark mode and light mode themes
• Document design tokens and component usage in a living design system (Storybook or Zeroheight)
• Ensure consistency across web and mobile platforms
• Create design system components that are accessible (WCAG 2.1 AA)

Product Design & UX (40%)

• Design end-to-end user flows for complex features:
  • Page Builder — drag-and-drop storefront builder with 12+ component types
  • Recipes & Production — ingredient management, production simulation, shopping lists
  • Order Management — full order lifecycle (PENDING → DELIVERED)
  • Rider Onboarding — 7-step flow with document uploads and vehicle selection
  • Checkout — multi-step checkout with delivery, pickup, and reservation options
  • Import System — import products, categories, and coupons between stores
• Create wireframes, prototypes, and high-fidelity mockups in Figma
• Design for seven user personas:
  • Admin — super administrator dashboard
  • Client — store owner dashboard (Page Builder, Products, Orders)
  • Fluxer — representative dashboard (clients, commissions)
  • Accountant — financial reporting dashboard
  • Staff — store staff with role-based permissions
  • Consumer — storefront browsing, cart, checkout
  • Rider — delivery app (Fluxiway)
• Conduct user research (interviews, surveys, usability testing)
• Iterate based on user feedback and data (analytics, heatmaps)
• Collaborate with Product Managers on requirements and prioritization

Prototyping & Collaboration (20%)

• Build interactive prototypes in Figma with advanced prototyping features
• Leverage AI tools to accelerate design workflows:
  • MCP AI — AI-powered design assistance and code generation
  • Figma AI — generate variants, rename layers, remove backgrounds
• Collaborate with Frontend Engineers to ensure pixel-perfect implementation
• Participate in design reviews and critique sessions
• Create design handoff documents with specs, assets, and motion guidelines
• Contribute to design sprints and product discovery

Requirements

Must-Have

Requirement Details:

Experience: 5+ years of UI/UX design experience, 2+ years in a senior role.

SaaS/B2B: Experience designing complex B2B SaaS products (dashboards, data tables, workflows).

Figma: Expert-level Figma — components, variants, auto-layout, interactive prototypes.

Design Systems: Experience building and maintaining design systems.

shadcn/ui: Deep understanding of shadcn/ui and Radix UI primitives.

TailwindCSS: Understanding of TailwindCSS and how it maps to design tokens.

UX Research: Experience conducting user research and usability testing.

Accessibility: Knowledge of WCAG 2.1 AA standards.

Mobile Design: Experience designing mobile apps (iOS/Android design guidelines).

Prototyping: Advanced prototyping skills (micro-interactions, transitions)

Collaboration

Strong cross-functional collaboration with engineers and PMs

Portfolio: Strong portfolio showcasing complex B2B/SaaS products.

Nice-to-Have

Requirement Details:

MCP AI: Experience with MCP AI for design assistance.

Figma AI: Familiarity with Figma AI features.

Storybook: Experience with Storybook for design system documentation.

Zeroheight: Experience with Zeroheight or similar design system documentation tools.

E-commerce: Experience designing e-commerce or marketplace platforms.

Delivery Apps: Experience designing delivery or logistics apps.

Motion Design: Basic motion design skills (After Effects, Lottie).

HTML/CSS: Basic understanding of HTML/CSS (to communicate better with engineers).

Design Systems: Experience with Material Design, Apple HIG, or similar.