Freelance QA Testers in Madrid
Freelance QA Testers in Madrid
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Ariana Isabella
Madrid, Spain
Hi, I’m UX/UI & No-Code Systems Engineer
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Hi, I’m UX/UI & No-Code Systems Engineer
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Moteado Mezcal — Shopify UX Optimization & Store Locator System Role: UX Consultant & Interface Quality Control (Ariana Isabella @ Limón o Nada) The Challenge: Moteado's ambitious design broke on mobile devices inside Shopify’s grid—causing awkward image scaling, layout shifts, and tiny touch targets. The Execution: Manually optimized the responsive layout, enforcing $44 \times 44\text{ px}$ touch targets (WCAG 2.1 AA) and transforming the site into a high-conversion pointer system. The Result: A seamless mobile experience that directs users to physical retail stockists worldwide in just two taps.
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Peruvian Nature — Global B2B exporter of high-quality superfoods from Peru since 2001. Four years after Fibra Studio built their original website, the brand's product catalog exploded. When a superfood exporter expands into dozens of new categories, cramming everything into a legacy layout turns products invisible. The mission was to rebuild the entire UX and visual architecture so the platform could hold massive catalog growth without losing its brand identity. - The Challenge (When a catalog outgrows its container) Outdated Infrastructure: The original 4-year-old site did its job, but the product line simply outgrew it. Metaphorically, they were trying to fit a retail giant into a boutique storefront. Lack of Visual Hierarchy: Forcing new categories into an old system made every product look identical, diluting the unique story and origin behind each superfood. Scaling Requirements: Needed an expanded visual system—broader color palettes, dynamic typographic range, and concrete UI components—capable of handling heavy B2B inventory without feeling cluttered. - My Role (End-to-End Execution) Lead UX Designer (From initial concept through launch) UX & Information Architecture: Redesigned the entire browsing experience to organize multiple product lines logically. Full-Cycle UX: Led the design process from wireframing to production-ready UI assets for deployment. - The Solution (Built to scale, not to strain) Category Differentiation: Created distinct visual treatments for product families so buyers can instantly distinguish powders, dried fruits, and extracts at a glance. Concrete & Human Storytelling: Balanced high-density product specifications with the authentic human story behind Peruvian sourcing. Future-Proof Architecture: Designed modular layouts that allow Peruvian Nature to add new categories seamlessly as their export portfolio continues to expand. - The Result (Shipped & Live) A flexible visual system built to grow with the catalog instead of straining against it, giving every superfood category its own identity while keeping the brand globally recognizable.
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Yobel Client Portal — B2B Operations & Logistics Dashboard A client portal isn't corporate eye candy; it’s where Yobel's clients go to manage stock, check invoices, track KPIs, and fix issues. If the interface gets in the way, operations stall. Running parallel to the regional site project, we redesigned this portal from the ground up to align the experience with the new rebranding and bring order to data visualization. - The Challenge (1-month sprint) 1-month timeline: 4 weeks to conduct a UX audit, restructure the information architecture, define UI components, and align everything with the new visual identity. Zero operational friction: Move away from cluttered tables and heavy interfaces toward clean data visualization (bar, line, and pie charts) that lets users grasp inventory status in under 3 seconds. B2B consistency: Adapt Yobel's new branding without sacrificing legibility, visual hierarchy, or critical information density. - My Role (What was built) UX/UI Designer Atomic Design System: Created the component library (Design System / UI Kit) from scratch: buttons, dropdowns, menus, search filters, company selectors, and chart components. UX/UI Architecture: Redesigned the main dashboard, collapsible sidebar, top navigation, and filter structures for complex searches by warehouse, date, and document type. Data Visualization: Designed visual components for stock reports, active orders, and invoicing. - The Solution (No-BS Design) Atomic organization: Built a scalable component system (atoms, molecules, and patterns) so developers didn't have to guess margins or colors. Fluid navigation: Clean sidebar menu with clear states, contextual location switching (LogiCorp Lima, Arequipa, Trujillo, etc.), and quick date-range pickers. High-density dashboard without the clutter: Unified top filters, key metrics on the right, and clean charts at the center. Fewer clicks, zero distractions. - The Result (Shipped on time, no excuses) A modern, intuitive B2B portal aligned with the global rebranding, delivered in exactly 1 month. An interface built for users who need immediate data, not pretty screens that waste their time.
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Yobel Corporate Site & Multi-Market Platform Yobel Industrial — Multinational supply chain management corporation with over 50 years of experience, operating across 9 countries in Latin America. If global logistics were easy, it wouldn't have a 50-year history or operate across 9 countries. The challenge wasn't just building a massive corporate site: it was making a complex logistics engine feel clean, clear, and absurdly easy to navigate in record time. No fluff, no nonsense, straight to the point. - The Challenge (Or "How we survived this") 1. Clock ticking: Design, build, and launch the studio’s largest corporate site in just 3 months (2 months of pure design and execution). 2. Visual consistency: The homepage was already designed by Fibra Studio. The mission was picking up that art direction and scaling the rest of the site without breaking the visual language or losing coherence. 3. Regional scale: A giant operating across 9 countries can't use a "one-size-fits-all" layout. Each regional version needed custom content adaptations without derailing the global system. - My Role (What was actually on my plate) 1. Lead UX/UI Designer (Post-Homepage Architecture & Regional Rollout) 2. Information Architecture & UI: Took the visual handoff from Fibra Studio to structure, design, and align the interface for all inner pages. 3. Real-time feedback: Active, iterative management with the client to approve modules on the fly instead of waiting for massive end-of-project reveals. 4. Adaptive design systems: Built modular UI components that allowed seamless replication across all 9 country versions. - The Solution (Less drama, more design) Modular design over reinventing the wheel: Leveraged existing visual rules to build a flexible component system. Less time decorating, more time solving navigation. Live iteration: Designing against the clock means making fast decisions. Implemented continuous feedback loops to polish UX flows without blocking the development team. Structured localization: Designed templates that adapted to country-specific content without breaking the visual grid or main hierarchy. - The Result (Zero excuses, 100% shipped) A robust, responsive corporate site live across 9 regional versions, shipped on schedule. No useless fluff—just solid architecture, consistent UI, and digital logistics running at 100%.
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