Freelancer profile translated to English.
Back to original languageAbout Erwann
**Freelance Shopify Developer for over 8 years**, I help brands and e-merchants create, optimize, and customize their Shopify and Shopify Plus stores.
**Since 2024, I have specialized in custom Shopify app development**, integrating AI and automation to meet new e-commerce challenges (Generative Engine Optimization, AI agents, intelligent SEO optimization).
trained at Webforce 3 Paris, I started freelancing in 2017 by creating WordPress websites. In 2018, I joined Digital Village Paris, where I worked on large-scale e-commerce projects for L'Oréal, Decathlon, Baccarat, Grant, and in collaboration with agencies like Ogilvy.
Specialized in Shopify since 2018, I evolved within the LobsTTer agency (Shopify certified), where I participated in numerous migrations, redesigns, and creations of Shopify and Shopify Plus stores.
Finalist of the Freelancers Got AI Talent Awards 2026organized by Malt (Top 34 out of 160+ international applications) for a Shopify application that optimizes the SEO of product pages in AI response engines (ChatGPT, Perplexity, Google AI Overviews).
Today, I work directly with my clients via Malt, offering:
✅Custom Shopify App Development(React/Node.js, GraphQL API)
✅AI & Automation Integration(Claude, OpenAI, intelligent workflows)
✅Theme Development and Customization(Liquid, CSS, JS)
✅SEO & GEO Optimization(preparation for AI engines like ChatGPT Shopping)
✅Store Migration and Redesign
💡Need a Shopify expert for your e-commerce project or a custom app?Contact me!
English
Conversational
French
Native or bilingual
Remote only
Primarily works remotely
Experience
- MaltFinalist — FreelancersGotAITalent 2026E-COMMERCEJanuary 2026 - May 2026 (4 months)Paris, FranceSelected among the Top 34 out of 160+ international applications for the Freelancers Got AI Talent Awards 2026 organized by Malt, recognizing European freelancers at the forefront of applied AI.Project presented: GEO-Ready FAQsShopify application that optimizes product page SEO in AI response engines (ChatGPT, Perplexity, Google AI Overviews) through automated generation of structured and tagged FAQs.Technical achievements
- 15,000 FAQs generated in production on Shopify stores
- Scalable multi-tenant architecture, data isolation per merchant
- Redis cache for performance and API cost control
- Fine-grained rate limiting for reliability under load
- Native Shopify integration: Admin API, GraphQL, Theme App Extensions
- Claude / OpenAI AI pipeline for generation, structuring, and Schema.org FAQPage tagging
- Joint optimization for generative AI crawlers (GEO) and traditional SEO
Stack: React, Node.js, GraphQL, Redis, Shopify API, Claude (Anthropic), OpenAI, Schema.orgJury evaluation:"Pioneering work in Generative Engine Optimization — a genuinely forward-looking use case. The seamless Shopify integration, 15,000 FAQs generated, and robust technical architecture (Redis caching, rate limiting, multi-tenant) make this a standout entry."**Project link**: - TIC PARTNER
On Malt
Development of an ERP Polaris Connector - Shopify (bidirectional)DIGITAL AND ITNovember 2025 - April 2026 (4 months)Paris, FranceDesign, development, and deployment of a bidirectional connector between the Polaris ERP (WebConnect REST API) and Shopify, deployed on two independent e-commerce stores. Catalog, multi-warehouse inventory, orders, and credit memos synchronization.Functional Scope- ERP Catalog → Shopify: incremental sync via LastModification cursor, fine-grained change detection (title, vendor, type, metafields, variant options), filtering by collections/brands, handling of unpublished products.
- Multi-warehouse inventory: Shopify locations ↔ Polaris warehouses mapping, activation by location, configurable exclusions, orphan inventory cleanup.
- Shopify Orders → Polaris: creation of sales and inter-warehouse transfers from multi-location fulfillmentOrders, customer management, phone normalization according to Country Code.
- Returns / Credit Memos: two-step Polaris workflow (draft then balanced negative credit memo), partial or total handling, return transfers.
- Production robustness: idempotent retries (ExtRefs), shopifyFetch with timeout, email notifications on business errors, PM2 monitoring.
Architecture & DeploymentPostgreSQL as an intermediate database (product/variant reference table), */5 and */15 min cron jobs depending on the flows, SCP deployment on Linux VPS, separate test / production environments.StackNode.js, Express, PostgreSQL, Shopify GraphQL Admin API, Polaris REST API (WebConnect), Shopify Webhooks, Cron, PM2, Linux VPSProduction DeploymentTwo stores in production, one with 2,100+ orders processed without errors, multi-locations active, stable incremental sync for several months. - CovrTheme migration and modernization of covrpack.comE-COMMERCENovember 2025 - December 2025 (1 month)Paris, FranceComplete migrationof a legacy Shopify theme to Impulse 8.x (Online Store 2.0) while preserving custom functionalities and third-party integrations.Development of acustom data migration appto convert existing product tags to the newmetafields filteringsystem (Search & Discovery).Configuration and reintegration ofWebkul Marketplace(multi-vendor) including regeneration of vendor Liquid templates and integration of vendor-specific shipping cost calculation in the cart.Creation of acentralized snippets architecture(covrpack-custom-apps.liquid) to future-proof third-party app scripts during future theme updates.Audit and cleanupof existing code: removal of obsolete apps, unused JS/CSS scripts, orphaned assets.Integration ofPareto Quantity Breaksfor B2B tiered pricing system with customization of tier display.Resolution ofAJAX navigationissues impacting the loading of Skeepers/Avis Vérifiés widgets (dynamic script reloading).**Technical SEO optimization**: robots.txt configuration (exclusion of filtered pages), creation of FAQs with Schema markup, Lighthouse performance audit.Writing of aPDF maintenance tutorialdocumenting all custom modifications to facilitate future updates by the client.
Reviews
Recommendations
TS
+2
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Web Integrator DeveloperWebforce 3 Paris2017Intégration web : Réaliser l’intégration HTML/CSS dans le respect des normes ; Appliquer les bonnes pratiques de la «qualité web» (référencement, performance, ergonomie) ; Créer des pages web interactives avec JavaScript ; Utiliser les framework front-end Bootstrap et Angular ; Développer une application mobile hybride avec Ionic et Cordova. Développement web : Mettre en place une solution web de type CMS avec WordPress ; Développer des fonctionnalités en PHP ; Concevoir une base de données ; Utiliser le framework back-end Symfony ou Laravel.