Build a custom Shopify Healdess store with Storefront API + Next.js

Headless Shopify Developer — Next.js + Custom Checkout + DocuSign Project type: E-commerce web development Estimated duration: 1–2 months Budget: To be discussed based on experience Working language: English and/or French — this is a French-Canadian company based in Québec, and some communication may be in French ABOUT THE PROJECT We are building a full headless e-commerce site for Turbo Kids / Turbo Rider, a Québec-based retailer specializing in recreational electric vehicles (ATVs, scooters, motorcycles) for kids and adults. The complete design is finalized — a full Figma file covering every page and every state is ready to hand off. Here's the current website link : https://turbokids.ca/ TECH STACK Frontend: Next.js (App Router) E-commerce: Shopify (standard plan) — Storefront API + Admin API Content management: Shopify Metaobjects (no external CMS) Checkout: Custom multi-step checkout (outside native Shopify) Payment: Stripe or Braintree (direct integration) E-signature: DocuSign API Styling: Tailwind CSS Deployment: Vercel SCOPE OF WORK Main site - Pixel-perfect Figma implementation - Homepage with all dynamic sections (hero, collections, products, services, reviews, blog) - Collection pages with advanced filters (price, brand, age, voltage, power, terrain, color) - Full product page (gallery, variants, comparative specs, warranties, reviews, related products) - Content system via Shopify Metaobjects (editable by the client directly in Shopify Admin) - Promotional banner with countdown timer - "Find your vehicle" recommendation quiz - Service pages: Workshop & Repair, Test Ride, Parts Request (multi-step forms with booking calendar) - Affirm financing integration - Bilingual FR/EN Custom checkout (6 steps) - Step 1: Cart with upsells - Step 2: Shipping (address + options) - Step 3: Payment (Stripe) - Step 4: DocuSign e-signature (3 documents: policies, disclaimer, sales contract) - Step 5: Final confirmation - Quebec tax calculation compliant (GST 5% + QST 9.975%) - Promo codes - Order creation via Shopify Admin API post-payment WHAT WE PROVIDE - Complete Figma file (all pages, all states) - Shopify Admin access - DocuSign account access - Stripe account access - Detailed functional specifications - Availability for questions and revisions WHO WE'RE LOOKING FOR - Proven experience with Shopify Storefront API + Next.js (portfolio required) - Experience with direct Stripe payment integrations (not just Shopify Payments) - Experience with an e-signature API (DocuSign, HelloSign, or equivalent) - Strong knowledge of Shopify Metaobjects and Metafields - Ability to deliver clean, maintainable, and documented code - Comfortable working with a French-speaking client — bilingualism is a plus but not required TO APPLY Please include in your proposal: 1. One or two examples of headless Shopify projects you've built 2. Your experience with custom checkouts and direct payment integrations 3. A rough time estimate broken down by major section 4. Any questions you have about the project