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I'm seeking an experienced Australian based developer to create a high-end self-service portal for auction intake. Key Features: - User Authentication - Two-factor authentication for patron self-registration. - Patron Uploads - Patrons can upload items including antiques, art, jewelry, books, and collectible cards. - AI Integration - Google Gemini AI generates real-time titles, descriptions, and valuations for each item. - Admin Vault - An admin "Vault" for auctioneers to review and finalize inventory before auctions. Ideal Skills and Experience: - Proficiency in AI integration - Background in secure user authentication methods - Experience with self-service portals - Familiarity with databases and inventory management Project Title: Gatsby’s Auction House – "Self-Checkout" Consignment Kiosk Type: Single Page Application (SPA) / Digital Kiosk Interface 1. Executive Summary We require a high-end, self-service web application designed for an auction house intake counter. The application allows patrons to register themselves ("onboarding") and photograph/upload their own items for consignment ("lodgment"). The system utilises Google Gemini AI to automatically generate titles, descriptions, condition reports, and valuation estimates in real-time. It also includes an administrative view for auctioneers to review, edit, and finalise inventory. 2. Aesthetic & Branding The UI must strictly adhere to a 1920s Art Deco / Great Gatsby theme. Vibe: Opulent, exclusive and professional. Typography: Playfair Display for headings (Serif), Inter for body text (Sans-serif). Color Palette: Backgrounds: Dark Green (#004d40) and Deep Charcoal/Black (#2c2c2c). Accents: Gold (#c7a144) and Cream (#f3e5ab). Alerts: Deep Red (#8b0000) for errors/warnings. Styling: Geometric borders ("deco-borders"), gradients on buttons, and subtle pattern overlays. Logo provided. 3. User Flows & Functionality A. Public Facing (The Kiosk) Home Screen: Options to "Start New Lodgment" or "Resume Lodgment" (via a 6-character recovery code). Customer Onboarding: Registration: Collection of Name, Email, Address, and Phone. Payment Details: Choice of AU Bank Transfer (Acc Name/BSB/Acc #) or PayID. Validation: Strict validation for Australian mobile numbers Compliance: Mandatory opt-in for Terms & Conditions. Item Lodgment (AI Integration): Image Upload: Drag-and-drop up to 24 images or take photos from device camera. AI Analysis: Upon upload, Google Gemini Vision (model: gemini-3-flash-preview) analyzes images to generate: Title & Description. Damages/Condition Report. Suggested Average Valuation based on estimation brackets that are preset. Valuation Logic: The system maps the AI's suggested average to a strict, pre-defined "Estimate Bracket" (e.g., if AI says $12, map to Low: $10, High: $15). Reserve Price: User enters an optional reserve. If the reserve > Low Estimate, a warning modal appears urging the user to lower it or keep it. Receipt & Handover: Display a summary of lodged items. Clear disclaimer that condition reports are "Preliminary". Options to Print Receipt or Email. B. Administrative Facing Access: Secured via user name and login with 2 factor authetification. Dashboard: Stats: View Total Lots, Portfolio Valuation, and Projected Revenue (calculated via X% Seller Commission + X% Buyer Premium). Inventory Table: List of all lodged items. Editing: Auctioneers can override AI Titles and Estimate ranges. Approval: Items must be manually "Approved" (Confirmed) before syncing. Sync: A button to sync the finalized catalogue to Shopify Auction App. 4. Technical Specifications Frontend Framework: React 19 (TypeScript). Styling: Tailwind CSS. AI Service: Google GenAI SDK (@google/genai) using gemini-3-flash-preview. Persistence: localStorage (No backend database for this iteration; data persists in the browser cache). Naming Convention: Files/Items are generated with the format: DDMMYY_CustomerID_LodgementID_LotNumber. 5. Key Business Rules Estimates: Estimates are not free-text; they must snap to the specific lookup table defined in services/estimates.ts. Reserve Warnings: We actively discourage reserves higher than the low estimate to ensure sell-through rates. Condition Reports: All AI-generated reports must be labeled "Preliminary" to manage customer expectations. Looking to meet with a developer to discuss this project over a video call. Would prefer the main build to be a fixed price with allowance for up to 3 revision. Then hourly rates to tweak as necessary. Please provide examples of similar work done. I am not interested in working with freelancers outside of the US, UK or Australia.
N° de projet : 40216937
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135 freelances proposent en moyenne $1 241 AUD pour ce travail

Hi There, 1. Im seeking an experienced Australian based developer to create a high-e... ==> We have read your project details. Its an interesting idea to create a self-service kiosk for auction intake using AI. We have done similar kinds of projects in the past. In one project for collectors, after they uploaded an item, the system would not only value it but also show a live feed of similar items being bought and sold by others in the community, which helped them see market trends. We got the idea about the Art Deco theme and the Great Gatsby vibe you are looking for. We will use the specified fonts and color palette to create that opulent and professional feel. The design will strictly follow your branding guidelines with geometric borders and subtle patterns to match the 1920s aesthetic. ## Queries : 1. When a patron uses a Resume Lodgment code, how will the system retrieve their data if its only saved in the browsers localStorage of a different device or if the cache was cleared? ## Initial Project Structure : - Welcome - Customer Onboarding - Payment Details - Item Upload - Item Review & Edit - Lodgment Summary - Receipt - Admin Login - Admin Dashboard - Admin Lot Detail & Edit We use advanced AI tools (Cursor, Claude, ChatGPT) to speed up coding and reduce manual work hours. We pass these time-savings to you, providing a high-quality app at a very competitive price. Waiting for your reply. :-) Regards, Ghanu & Samir. KESHAV INFOTECH
$887 AUD en 22 jours
9,4
9,4

Hi there, I’ve read your Gatsby’s Auction House concept and I’m confident I can deliver a premium, self‑service intake portal tailored to an Australian audience. I’ve built secure, AI‑driven portals with strict authentication and intuitive patron flows, plus admin dashboards for fast review and live syncing to Shopify Auction. My approach: a SPA in React 19 with TypeScript and Tailwind, integrated with Google Gemini via @google/genai for real‑time item titles, descriptions, condition reports, and valuations. LocalStorage will persist data for a no‑backend iteration, with a robust, store‑side vault for auctioneers to approve and finalize items before listing. The interface will reflect a 1920s Art Deco aesthetic, ensuring opulence and clarity while meeting accessibility and validation requirements. I’ll implement 2FA, precise Australian mobile validation, and compliant terms opt‑in, plus a secure, self‑serve onboarding and lodgment flow that handles multi‑image uploads and automated valuation mapping to predefined brackets. After onboarding, patrons get a clear receipt, with options to print or email. Admin features include a secure Vault, editable AI outputs, manual approvals, and a one‑click sync to Shopify Auction. The initial build will cover the core MVP, with a plan for additional tweaks in up to 3 revisions and optional hourly tweaks thereafter. What are the top three data retention and security standards you want in place for patron data and uploaded item information
$1 500 AUD en 29 jours
8,8
8,8

Hi I’m your web developer, ready to turn your project High-End Auction Portal Development into reality! I’d love to discuss the details and create something amazing together. Feel free to message me anytime, and we can also hop on a quick video or audio call whenever it's convenient for you. I’ve developed many projects exactly like what you’re looking for. If you want to see more relevant samples, just contact me through the chatbox, and I’ll share them instantly. ★ Why Clients Trust Me 500+ successful web projects delivered 430+ positive client reviews Expert in PHP, Website Design, Graphic Design, HTML, Web Development, Database Management, API Integration, Web Application, AI Model Development, AI Content Creation WordPress, Shopify, PHP, JavaScript, HTML, CSS, Plugin/Theme Development, Laravel, WebApp Clean, modern, responsive and SEO-optimized designs Fast delivery, great communication, and long-term support Available during EST hours for smooth collaboration If you want a professional developer who delivers quality work on time and stress-free, let’s connect. I’m excited to help build something amazing for you. Best regards, Kausar Parveen
$999 AUD en 3 jours
8,8
8,8

Hello, I have 10+ years of experience, I can deliver a secure, production-ready SPA with the exact branding and workflow you described. I reviewed your requirement and understand you need a high-end Gatsby’s Auction House self-service consignment kiosk SPA with patron onboarding, AI-generated item titles/valuations via Google Gemini, and an admin Vault for review and approval, all styled in 1920s Art Deco. What I will deliver: Kiosk SPA (React + TypeScript + Tailwind) with 1920s Art Deco UI Patron onboarding with strict validation (AU phone, T&Cs, payment choice) Item lodgment with image upload (up to 24), camera capture, and Google Gemini Vision integration AI-generated title, description, condition report, and valuation Estimate bracket mapping (strict lookup table) and reserve warning modal Recovery flow (resume lodgment via 6-character code) Receipt/Email/Print summary Admin Vault with 2FA, inventory table, manual overrides, approvals, and Shopify sync button LocalStorage persistence as specified (no backend) Clean code, documentation, and a short demo call Key compliance & UX: All AI outputs labeled “Preliminary” I will work in an agile approach, provide complete source code, and offer 2 years free ongoing support, assisting you from zero to deployment and beyond. I have a few questions to clarify in chat as I have some queries to ask regarding the project to proceed further. Awaiting your positive response. Thanks
$750 AUD en 7 jours
8,1
8,1

Hello, I hope you are doing well! I can build a high-end Gatsby’s Auction House self-service portal using React and TypeScript with Tailwind CSS, featuring secure patron registration with two-factor authentication, AI-powered item uploads via Google Gemini generating titles, descriptions, condition reports and suggested valuations, and an admin Vault for auctioneers to review, edit, and approve inventory before syncing to Shopify. The portal will follow your 1920s Art Deco theme with precise typography, color palette, geometric borders, and smooth UI, support drag-and-drop or camera uploads, apply estimate brackets and reserve warnings, and provide receipts via email or print. I will also ensure responsive, SPA functionality with local persistence and a clear, maintainable codebase. Note: I focus on precise UI/UX, AI-driven automation, and secure admin controls, delivering a polished, fully functional kiosk that matches your branding and business rules perfectly. Please check out my profile to review my past projects and portfolio. https://www.freelancer.com/u/Hammadhassan21 If you find my offer satisfactory, we will be happy to discuss your project in detail. Thanks.
$1 500 AUD en 7 jours
7,8
7,8

Hi, this is Elias from Miami. I read the Gatsby’s Auction House kiosk spec and it’s very clear: a React 19 + TS SPA with an Art Deco/Gatsby UI, patron self-registration + lodgment (up to 24 images), Gemini Vision (gemini-3-flash-preview) generating title/description/condition + valuation, then snapping estimates to your strict bracket table, reserve-price warning logic, receipt (print/email), plus an admin “Vault” with 2FA to review/override/approve and sync to Shopify Auction App. Storage is localStorage for this iteration, with the required file naming convention. I can take this from “spec to launch-ready” with a fixed-price build (up to 3 revision rounds) and then an hourly rate for tweaks after go-live. I’m also happy to align with Australian business hours for calls and iteration (and if being physically AU-based is mandatory, tell me and I’ll be upfront about fit). Q1: For the admin Vault + 2FA, since there’s no backend, do you want 2FA gated by a shared admin device/secret, or are you open to adding a lightweight auth service (so 2FA is actually secure)? Q2: How should “Resume Lodgment” work across devices if localStorage is used—same kiosk only, or do you need the 6-char recovery code to restore on another kiosk/device? Q3: For the Shopify sync, which Auction App/API are you using and what exact fields must map (images, lot number, estimates, reserve, condition, customer payout details)? Regards, Elias
$1 125 AUD en 7 jours
7,7
7,7

As a senior software engineer with over 15 years of experience, my team at Mexin Web Infotech is ideally poised to bring your vision for Gatsby’s Auction House to life. Our technical mastery and keen architectural foresight ensure that we not only write codes but architect digital ecosystems with the future in mind. AI integration? Sure! We bridge the gap between traditional software and the future, specializing in LLM and RAG integration. Our team knows exactly how to implement Google Gemini AI on image analysis for thorough real-time item valuation and robust bidding strategy. Not only do we deliver high-performance web interfaces using React.js, view us as a full-service provider caring about every detail, including the feel and appeal of your UI. With our proficiency in Tailwind CSS, we can guarantee a rich and authentic 1920's art-deco user experience that goes hand-in-hand with Gatsby's Auction House. We understand that data needs to be safe from inception till auction. Therefore, we are well-versed in secure user authentication methods. With our precision towards ensuring that the system is scalable, secure, and designed to minimize technical debt, we will use localStorage for persistence alongside stringent naming conventions that would make sure everything is accounted for precisely. My vast experience promises a self-service portal that not just ticks all your boxes but adds significant value to your business operations
$1 125 AUD en 7 jours
7,7
7,7

EXPERIENCED AUSTRALIAN DEVELOPER FOR AI-POWERED SELF-SERVICE AUCTION PORTAL — TURNING KIOSKS INTO OPULENT, USER-FRIENDLY CONSIGNMENT EXPERIENCES. I can build your Gatsby’s Auction House “Self-Checkout” SPA using React + TypeScript with Tailwind CSS, fully integrating Google Gemini AI for real-time titles, descriptions, condition reports, and valuation suggestions. The system will feature secure patron onboarding with two-factor authentication, AI-assisted item lodgment, and an admin vault for auctioneers to review, edit, and approve items before syncing to Shopify Auction App. Core Features • Patron self-registration, AU-compliant payment input, and strict mobile/email validation • Drag-and-drop or camera image uploads (up to 24 images per item) • AI-powered title, description, condition, and valuation generation, mapped to pre-defined estimate brackets • Reserve price validation with warning modals • Admin dashboard with stats, inventory management, manual approval, and syncing • Art Deco-themed UI adhering to typography, palette, and styling rules • LocalStorage-based persistence with naming conventions for tracking I’m based in Australia, have experience building secure, component-driven portals, and can provide examples of previous AI or SPA projects. Open to fixed-price main build + hourly post-launch tweaks.
$1 125 AUD en 7 jours
7,7
7,7

Dear Project Owner, I am an expert in Shopify, WordPress, and various web development technologies. I am willing to start RIGHT AWAY on your project. Let's discuss further details over a video call. Looking forward to collaborating with you. Regards, Pooja
$1 125 AUD en 3 jours
7,1
7,1

Hi there, I am eager to collaborate on developing the high-end auction portal for Gatsby's Auction House. With extensive experience in creating self-service portals and a strong background in AI integration, I am confident in delivering a sophisticated and stylish application tailored to your specific needs. My work in user authentication and secure systems aligns perfectly with your requirements, especially with the two-factor authentication feature for patron self-registration. I understand the importance of branding in your project, and I will ensure the application reflects the luxurious 1920s Art Deco theme you envision. By leveraging the Google Gemini AI, I will create an efficient mechanism for real-time item evaluations and descriptions, thereby enhancing user experience and satisfaction. I would love to discuss this further in our video call. Please message me at your earliest convenience to set up a time that works for you. Could you clarify the expected timeline for the project completion and any specific milestones you have in mind?
$1 375 AUD en 18 jours
6,7
6,7

Hello , I checked your project, and it looks interesting. This is something we already work on, so the requirements are clear from the start. We mainly work on PHP, Website Design, Graphic Design, HTML, Web Development, Database Management, API Integration, Web Application, AI Model Development, AI Content Creation We focus on making things simple, reliable, and actually useful in real life not overcomplicated stuff. Let’s connect in chat and see if we’re a good fit for this. Best Regards, Ali nawaz
$750 AUD en 8 jours
6,6
6,6

Hello As per your project post, you are looking to build a Self-Service Auction Portal for Gatsby’s Auction House that allows patrons to onboard, upload items, and automatically generate AI-powered titles, descriptions, condition reports, and valuations. The goal is to create a luxurious, Art Deco-inspired kiosk experience that feels opulent, exclusive, and professional, while giving auctioneers a secure and efficient admin interface to review, edit, and finalize inventory before auctions. My focus will be on delivering a single-page application with a polished Gatsby/1920s theme that integrates Google Gemini AI for real-time content generation. The kiosk interface will allow patrons to create new or resume lodgments with image uploads, automatic condition analysis, estimate mapping to predefined brackets, optional reserve warnings, and summary receipts. On the admin side, the dashboard will offer inventory overview, stats, AI override capabilities, approval workflow, and direct syncing to Shopify Auction App. I specialize in building secure, high-end self-service portals with AI integrations that are visually rich, intuitive, and business-rule compliant. My approach ensures patrons experience a smooth, branded lodgment process while giving auctioneers full control over item approval. Let’s connect to finalize the scope and design so we can deliver a secure, visually stunning self-service auction portal ready for patron use. Best regards Nikita Gupta
$1 000 AUD en 45 jours
6,3
6,3

Hello, Are you ready to elevate your auction house with a high-end self-service portal that transforms the intake process? Our innovative approach leverages Google Gemini AI for real-time valuations and ensures a seamless, luxurious experience for patrons. Let's connect to discuss how we can bring Gatsby's Auction House vision to life. Best, Smith
$1 125 AUD en 7 jours
6,5
6,5

Hello, I hope you are doing well. I understand that you are looking to build a AUCTION PORTAL and I would be happy to help. I have extensive experience in designing and developing Application and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.
$750 AUD en 12 jours
7,0
7,0

Hello, As an Australian-based expert with over a decade of experience, I would be honored to bring your High-End Auction Portal to life. Throughout my career, I've developed self-service portals using secure user authentication methods similar to what you're looking for. Furthermore, I'm familiar with incorporating AI into web applications and can seamlessly integrate Google Gemini AI into the portal for real-time valuation generation, a crucial feature in the auction industry. Aesthetic and branding-wise, I absolutely love the 1920s Art Deco style you described. With a strong background in graphic design and website development, rest assured that your project will have that opulent Gatsby vibe. My HTML and PHP skills will ensure your required Typography (Playfair Display and Inter) is utilized precisely, and Color Palette (Dark Green, Deep Charcoal/Black, Gold, Cream, Deep Red) is designed accurately. Styling elements like geometric borders ('deco-borders'), gradients on buttons, and subtle pattern overlays will enhance the overall aesthetic. Lastly, my experience in managing databases and inventory systems will come in handy when creating the 'Vault' - an administrative view for auctioneers to review and finalize inventory before auctions. This perspective ensures that everything from AI-generated data to user entries is properly managed and accounted for. In sum, I offer you proficiency in AI integration matched with a great eye Thanks!
$1 500 AUD en 5 jours
6,0
6,0

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$750 AUD en 10 jours
6,0
6,0

Warm greetings! I’m an expert in building high-end self-service web applications with AI integration, specializing in React, Tailwind, and secure portals. With 9+ years’ experience, I deliver seamless, user-focused solutions for auction and inventory management. Here's how I can help: * Develop a Gatsby-themed SPA for patron self-registration and item lodgment with secure authentication * Integrate Google Gemini AI to generate titles, descriptions, condition reports, and valuation estimates in real-time * Build an admin Vault for auctioneers to review, edit, approve, and sync inventory efficiently * Ensure UI strictly follows Art Deco styling with Tailwind CSS, responsive design, and polished user flows Could you share any existing wireframes or AI integration specifics? I’d also like to confirm if you prefer browser-only storage for all data or a backend option for future scalability.
$1 125 AUD en 7 jours
5,9
5,9

Hi — this is a fantastic concept and exactly the kind of polished, experience-driven portal I build. I’m an experienced full-stack developer working with React + TypeScript SPAs, secure authentication flows, and AI integrations (including Google Gemini) for real-time content generation. I’ve built self-service intake systems and admin review dashboards before, so the kiosk + vault workflow is very familiar territory.
$1 500 AUD en 7 jours
6,0
6,0

Hello, I have experience building high-end self-service portals and integrating AI systems like Google Gemini, and I am confident in delivering a polished, user-friendly platform that aligns with your vision for Gatsby’s Auction House. I’m ready to start right away. Please DM to see the work samples. I will ensure the application meets all functional and aesthetic requirements, with AI-powered item lodgment and a seamless experience for both patrons and auctioneers. Best Wishes, Fizza Nadeem
$750 AUD en 5 jours
5,6
5,6

I’ve built self-service portals with secure 2FA onboarding and AI-powered item analysis before, including one for a collectibles marketplace that needed real-time valuation and condition reports. Your project’s key challenge is balancing a slick Gatsby-themed UI with seamless AI integration and strict estimate brackets, all running client-side without a backend database. Using React with Tailwind fits well here, and I’d suggest upfront discussing how you want to handle localStorage data persistence limits—have you considered fallback options if the browser cache fills? Also, for the AI valuation bracket logic, do you have detailed rules ready for mapping Gemini’s output, or would you want help defining them? I can create the full SPA with clean user flows: efficient onboarding, multi-image drag-and-drop, AI-triggered content generation, and a secure admin vault supporting 2FA and Shopify sync. I’ll ensure the reserve price warnings and condition disclaimers are clear to minimize customer issues. Ready to start a video call to dive into specifics and align on milestones and revisions. Let’s get this high-end auction portal built right.
$1 500 AUD en 7 jours
5,4
5,4

Perth, Australia
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