Webflow Multi-Step Forms (XD → Pixel-Perfect) with HubSpot API + Secure File Uploads
We’re looking for a senior Webflow developer to build three custom, multi-step forms in Webflow, implemented pixel-perfect from Adobe XD and integrated with HubSpot via the Forms API (no iframe embeds). This is a conversion-critical project for a premium property investment platform. Design fidelity, clean logic, and reliable integration matter. Scope of Work You will build the following three forms in Webflow: 1) Book Consultation – Multi-Step Form (Modal) - Built natively in Webflow (HTML/CSS/JS) - Pixel-close to Adobe XD (desktop + mobile) - Multi-step flow with progress indicator Conditional logic: - Less than £50k → redirect to Investment Readiness Guide - £50k+ → proceed to consultation options - Investment timeframe greater than 6 months, proceed to 15 minute consultation - Investment timeframe less than 6 months, give user option of 15 minute or 45 minute consulutation All conditional logic already built into HubSpot form which has been setup. Timeframe logic routes users to: - 15-minute HubSpot Meetings link, or - 45-minute HubSpot Meetings link - Form data submitted to HubSpot via Forms API - UTM / attribution fields passed through - Clean validation, error handling, and success states - Lives inside an existing modal 2) KYC Form (1–3 pages) - Custom-styled Webflow form (XD-accurate) - Fields mapped to existing HubSpot contact properties 3 secure document uploads: - Proof of ID - Proof of Address - Proof of Funds - Files stored securely in Supabase - File URLs saved to HubSpot properties - Validation, error handling, mobile-responsive 3) Investor Pre-Qualification Form (4–5 pages) - Multi-step Webflow form - Conditional logic between steps - HubSpot Forms API submission - Pixel-perfect to XD (desktop + mobile) - Clean success state and testing Technical Requirements (Non-Negotiable) - Forms built natively in Webflow - No HubSpot iframe embeds - Use HubSpot Forms API - JavaScript for multi-step logic and validation - Experience handling secure file uploads - Clean, readable, maintainable code - Fully tested on desktop and mobile Deliverables - Fully working forms inside Webflow - Correct data flowing into HubSpot - Secure document uploads functioning correctly - Brief handover notes (API endpoints, storage setup) - Optional Loom walkthrough on completion Budget Fixed price: ~$2,000 USD (We’re open to strong proposals below this if experience and approach are clearly demonstrated.) Apply tot his job