Louis C.

CloZ is a fashion technology platform building a “smart closet” ecosystem that connects merchants with consumers through personalized outfit recommendations.

• Built a public Shopify application using Gadget that enabled merchants to seamlessly integrate their products into the CloZ SmartCloset network.
• Designed configurable product attribute mapping for size, color, brand, and category to normalize Shopify product data before synchronizing it with the CloZ API.
• Implemented the Shopify Billing API to support tiered subscription plans, combining free and paid offerings with controlled feature access.
• Developed a webhook-based analytics pipeline to ingest user interaction data, including views, clicks, and purchases, from the CloZ mobile app into the merchant dashboard.
• Created a merchant-facing analytics dashboard displaying per-product performance metrics, with advanced widgets gated by subscription tier.
• Collaborated closely with CloZ product stakeholders to align merchant tooling with consumer-facing recommendation logic.

IQ Spirits is a French online spirits retailer with complex regulatory and tax requirements.

• Built a custom Shopify app to manage French tax rules, discounts, and compliance requirements using the Shopify and SparkLayer APIs.
• Implemented product and order synchronization pipelines between Shopify and external systems.
• Developed full CRUD operations for SparkLayer discounts, enabling centralized discount management through the Shopify admin.
• Designed a system of hidden tax products driven by metafields to ensure accurate VAT and excise duty calculations.
• Extended Shopify Liquid themes and SparkLayer cart logic to correctly represent taxes as standard line items.
• Automated PDF invoice generation upon order fulfillment, including VAT breakdowns, discounts, and tax information.
• Implemented automated Google Drive uploads for invoices and exposed all configuration options through a merchant-friendly admin interface.

• Developed a custom Shopify carrier service to dynamically filter shipping methods based on cart contents and destination country.
• Implemented complex shipping rules based on item dimensions, weight, and geographic constraints.
• Built a Shopify app that allowed merchants to configure shipping conditions through Gadget.
• Registered and exposed a custom carrier service at checkout to return eligible shipping options in real time.
• Implemented free shipping and in-store pickup logic when predefined conditions were met.

• Built a fully customized Shopify theme based on Dawn for a travel company.

• Implemented a multi-criteria search engine (destination, dates, accommodation type, themes).

• Delivered custom pages for home, search results, products, blog, accounts, and order history.

• Focused on classic, reliable frontend technologies (HTML, CSS, JavaScript, Web Components) for long-term maintainability.

• Built a dynamic frame selection system for a photography and art print store.
• Implemented hidden frame products that synchronized pricing, quantities, and cart behavior with the corresponding main product.
• Updated product galleries and pricing in real time when customers selected a frame.
• Added support for URL-based preselection, enabling customers to easily share products with predefined configurations.

• Led the migration from a legacy WordPress site to a headless WordPress and Gatsby PWA architecture.
• Built a high-performance, statically generated PWA that was installable on mobile devices.
• Integrated Stripe to support subscriptions, digital products, and physical product sales.
• Implemented gated premium content that was accessible only to subscribers.
• Optimized build-time data fetching from WordPress and Stripe to improve performance and SEO.

• Architected a headless Shopify + Remix application backed by Sanity CMS.

• Designed complex product specification schemas in Sanity for highly detailed skincare products.

• Implemented server-side rendering (SSR) to ensure strong performance and SEO.

• Built a routine builder with quizzes, personalized recommendations, and quick-buy flows.

• Delivered fully configurable product pages, routines, and SEO settings for non-technical merchants.

• Built a React Native mobile app from scratch with automated CI/CD pipelines.

• Developed Node.js microservices for back-in-stock alerts and email campaigns.

• Designed a shared Node.js middleware layer used by both web and mobile apps.

• Deployed infrastructure using Docker and AWS CloudFormation, supporting horizontal scaling with ECS.

• Maintained and evolved Shopify-based e-commerce platforms for a globally recognized crypto hardware brand.

• Implemented globalization and localization across shop, blog, and support applications with shared user preferences.

• Built Node.js AWS Lambda services for email campaigns and background processing.

• Managed infrastructure using Terraform for microservices.

• Contributed to major Shopify Liquid refactors, mobile support, and UI modernization.

• Developed a proof-of-concept cryptographic voting system for Nano wallets.