
Open
Posted
•
Ends in 1 day
Paid on delivery
Overview: We are seeking an expert, Senior [login to view URL] Developer to build the MVP of an innovative, global fashion-tech marketplace. The platform connects international buyers and luxury resellers through custom transaction flows, requiring advanced database architecture and multiple third-party API integrations. Key Technical Requirements: Framework: [login to view URL] (Native, custom development only. No templates). Payments: Advanced integration with Stripe Connect (handling automated escrow and milestone splits). Logistics: Connection with global shipping aggregators via API/Webhooks (e.g., Shippo / Easyship) for automated label generation and international customs handling. Third-Party APIs: Integration with AI Image Recognition and external automation verification services. Workflow & Communication: All communication and project management will be done strictly through text-based chat. No video or phone calls are required. We have a highly detailed, 9-section Product Requirements Document (PRD) ready for the right candidate. Requirements to Apply: Please share your portfolio, specifically focusing on custom [login to view URL] applications with complex API setups or marketplace escrow systems. Note: Due to the proprietary nature of the workflow, the selected developer must confirm a standard confidentiality agreement in the chat before the full specifications document is shared
Project ID: 40620763
137 proposals
Open for bidding
Remote project
Active 3 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
137 freelancers are bidding on average €2,049 EUR for this job

Hi — Elias here from Miami. I understand you're looking to build an MVP for a high-end fashion marketplace using Bubble.io. The goal is to create an engaging user experience that stands out in a competitive market. What usually matters most here is scalability and maintainability. A common issue in systems like this is ensuring that user interactions and payment gateway integrations function seamlessly as traffic grows. The tricky part is managing state effectively across various user roles, which can complicate workflows. My approach would be to structure the application with a solid back-end setup and clear API integrations, ensuring smooth transactions and user interactions. I focus on creating a modular architecture that allows for future enhancements without significant overhauls. I've worked on similar projects, including e-commerce platforms that required tight integration with payment systems and high user engagement. This experience helps me foresee potential pitfalls and address them proactively. A few questions to better understand the scope: Q1 – What specific user roles and permissions do you envision for your marketplace? Q2 – How do you plan to handle payment processing, and are there specific gateways in mind? Q3 – What are your scaling expectations for the platform in the first year? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
€2,500 EUR in 10 days
8.6
8.6

With over 13 years of experience delivering high-quality web and software solutions, my team at Walking Dreamz Technologies is well-equipped to tackle your unique project. We specialize in the technologies your project demands, such as API integrations, HTML, JavaScript, PHP, and Web Development. We also have extensive experience with custom marketplace development, making us the perfect choice for your high-end fashion marketplace on Bubble.io. Our portfolio spans over 300 projects, many of which involve complex API setups and marketplace escrow systems similar to what you require. These projects span a range of clients from funded start-ups to long-term enterprise clients - a testament to our ability to cater to different needs and maintain client satisfaction. In fact, 99% of our clients have rated our work positively, often transforming into long-term partnerships or Phase-2 developments. One thing that sets us apart is our commitment to clear communication and predictable delivery. When working with us, you will have direct access to me as your main point of contact, ensuring there is no communication gap. You can expect clear milestones, frequent demos, and transparent progress updates throughout the project. Moreover, we guarantee that all our deliveries are production-ready with comprehensive documentation and post-launch support. Choose us for a reliable partner who will build a stable platform today while keeping future scalability in mind.
€1,850 EUR in 24 days
7.8
7.8

Your Bubble marketplace will stand or fall on the transaction flow, especially where Stripe Connect, shipping webhooks, and external services all need to stay in sync. I'd start by reviewing the PRD against the data model before building workflows, because changing Bubble's database later is where marketplace projects usually become painful. For Stripe Connect, I'd also make sure webhook events are handled safely so payment and order states can't drift if callbacks arrive out of order. I've worked on a Vue 3/Nuxt 3 marketplace with complex backend integrations, so I tend to focus on the connection points first instead of the UI. One question: does your PRD already define the full escrow lifecycle, or is that still open for implementation decisions?
€2,500 EUR in 7 days
6.2
6.2

Hi, This sounds like a marketplace where trust and reliability hinge on how well the escrow, payments, and logistics pieces connect. The tricky part isn’t just the UI but making sure Stripe Connect, shipping APIs, and any verification services stay in sync without manual intervention. I’ve built marketplaces with custom backend logic and third-party integrations before, similar to the structure in the custom Bubble projects I’ve worked on. The payments and escrow flow usually needs extra testing around edge cases like failed payouts or API timeouts. The escrow logic in Bubble would likely need custom states to track milestone splits and automatic payout triggers. Stripe Connect’s OAuth flow in Bubble can get messy if the redirect handling isn’t tight, and most issues come from mismatched webhook expectations. Shipping APIs like Shippo usually require rate-limit handling and retry queues to avoid silent failures during peak loads. One unknown is how the AI image verification service actually works—whether it returns structured data or just a yes/no. If it’s the latter, we’d need a fallback review step to avoid blocking users on false negatives. Thanks, Denis.
€1,500 EUR in 15 days
6.4
6.4

The difficult part of this MVP is not the marketplace screens, it is getting the transaction workflows and external services aligned correctly. I would structure the Bubble database around buyer, reseller, order, payment, and fulfillment states, then handle Stripe Connect, shipping APIs, and verification services through secure workflows that can scale beyond the MVP. For the first release, is the escrow and milestone payment flow already fully defined in the PRD, or does it still need to be mapped into Stripe Connect workflows?
€1,500 EUR in 21 days
6.0
6.0

Building a luxury marketplace on Bubble requires strict database design, particularly for managing Stripe Connect escrow splits and multi-vendor permissions without relying on pre-made templates. We will implement the native Bubble architecture from your 9-section PRD, focusing first on core transaction flows, Shippo or Easyship API hooks for automated label generation, and secure image recognition triggers. A key risk in this setup is handling edge cases in international customs data formatting during automated label generation. To keep the MVP on schedule, we should confirm whether automated customs declarations are required in the initial phase or if manual review can bridge the first few weeks. Which specific external verification service are you planning to use for seller validation?
€1,500 EUR in 21 days
6.0
6.0

For this fashion-tech marketplace, I’d structure the Bubble build around the transaction lifecycle first: buyer request, reseller acceptance, escrow funding, milestone release, shipment, verification, dispute handling, and final settlement. The two main priorities would be integrations and maintainability. Stripe Connect, shipping APIs, customs data, image-recognition services, and verification webhooks should sit behind clearly separated backend workflows with retry handling, idempotency, audit logs, and failure alerts. That will reduce payment and fulfilment errors while keeping the MVP easier to extend after launch. I’m comfortable working entirely through text-based communication and can review and confirm the confidentiality agreement in chat before receiving the 9-section PRD. I would also document Bubble data types, privacy rules, API Connector setup, backend workflows, webhook handling, and deployment settings for handover. A relevant marketplace project is Dealbridge, a three-portal platform for administrators, providers, and consumers. It included service requests, provider matching, commission tracking, controlled communication, role-based access, and multi-party transaction workflows, which closely aligns with the operational complexity here.
€2,250 EUR in 7 days
6.3
6.3

Hello, Hope you're doing great! I am a PHP Developer who builds secure, fast, and business-focused web applications. I work with both custom PHP and frameworks, and always ensure that every project is optimized, scalable, and easy to maintain. What I Do 1. Custom web applications & business automation tools 2. API development and integration 3. Secure login, admin panels, and dashboard systems 4. High-speed, mobile-friendly websites 5. Migration, bug fixing, and performance upgrades Why Clients Prefer My Work 1. Clean folder structure & scalable architecture 2. Fully optimized and secure coding practices 3. Excellent communication & professional approach 4. Quick turnaround time with regular updates Ready to Start Share your requirements or preferred reference — I’ll analyze it and provide: 1. Best technical plan 2. Exact timeline 3. Budget estimate Looking forward to building something amazing for you!
€1,500 EUR in 7 days
5.4
5.4

Hi, I'm a software engineer with more than 10 years of experience in the IT industry, designing and building scalable web applications, backend systems, integrations, and data-driven platforms. Throughout my career, I've worked on complex business workflows, payment systems, third-party API integrations, and enterprise-grade architectures, which makes me well-suited for a marketplace of this complexity. I'm comfortable working from detailed PRDs and collaborating entirely through text-based communication, providing clear updates and documentation throughout the project. I'd be happy to review your PRD and discuss the technical architecture, implementation approach, and timeline. Looking forward to learning more about the project.
€2,250 EUR in 7 days
5.4
5.4

Hello, marketplaces like this rarely become difficult because of Bubble itself. The real complexity is keeping payments, shipping, verification, and marketplace state perfectly synchronized when one step succeeds and another fails. That is usually where marketplace MVPs become unreliable. I'd start by mapping the complete transaction lifecycle before building workflows. Buyer payment, escrow, seller actions, shipment creation, verification, dispute paths, refunds, and payout release all need clear state transitions so Stripe Connect, Bubble workflows, and external APIs never fall out of sync. The database would be designed around those transaction states rather than individual pages, making future features easier to add without rebuilding the core. I'd also build every external integration with retries, webhook verification, idempotency, audit logs, and graceful recovery, because delayed webhooks and duplicate events are common in production marketplaces. Your text based workflow is perfectly fine, and I’m happy to work from the PRD after confirming an NDA. Feel free to have a look at my portfolio and previous work on my profile as well. Which Stripe Connect model are you planning to use, Express, Standard, or Custom, and have you already selected the AI verification provider? Have a nice day.
€1,500 EUR in 30 days
5.3
5.3

Hi, Have a pleasant day! I carefully read your job posting on Freelancer.com and am pleased to let you know that I have the skills and experience required for your project. I have successfully completed similar projects in the past and would be happy to share relevant examples during our discussion. Please share your detailed project requirements so I can fully understand your expectations and suggest the best solution for your needs. I would be delighted to work with you and deliver high-quality results. The final cost and timeline will depend on your project scope and requirements. My pricing is flexible, and I am happy to work within your budget. There is no upfront payment. I prefer working with milestone-based payments to ensure transparency and satisfaction throughout the project. I look forward to your positive response and the opportunity to work with you. Kind regards, Sneha Kanwar
€2,250 EUR in 7 days
4.7
4.7

Hello, I’m Fernando, a senior full‑stack developer with extensive experience building no‑code SaaS solutions on Bubble.io. I understand you need a global fashion marketplace that not only showcases luxury items but also guarantees secure escrow payments and seamless logistics. A key insight is that Stripe Connect combined with automated webhook handling can eliminate manual reconciliation, keeping both buyers and sellers confident. My approach is to architect the data model around reusable transaction objects, then layer Stripe Connect with server‑side API workflows to manage escrow and milestone splits. By using Bubble’s API Connector for Shippo/Easyship and the AI image service, I keep all integrations within a single environment, reducing external dependencies and simplifying future updates. Recently I delivered a custom marketplace on Bubble where sellers listed high‑value collectibles, requiring Stripe escrow and third‑party shipping APIs. The challenge was coordinating multi‑step payouts; I built a modular workflow that automated escrow release upon delivery confirmation, resulting in a 40% reduction in dispute time. Questions: 2. Are there any compliance or tax considerations for international transactions that need to be embedded in the escrow logic? Knowing this ensures the MVP meets regulatory standards from day one. I’m ready to sign a confidentiality agreement and start delivering a secure, scalable MVP that meets your exact specifications. Thanks
€1,580 EUR in 6 days
4.0
4.0

Hi, Before touching Bubble I'd want your 9-section PRD in front of me, plus a walk-through of the transaction flow itself. Specifically: who holds funds and for how long, what triggers a milestone release, and what happens if a buyer disputes after the item ships. Those answers change how the database and workflows get structured, so that's step one. Once that's clear, the build is straightforward for me: Stripe Connect for the escrow and split payments, Shippo for label generation and customs docs, and a data structure that treats each transaction as its own state machine so nothing gets stuck in limbo. I've built escrow-style flows before and the part that actually matters is handling partial refunds and failed payouts cleanly, most people only plan for the happy path. Given the scope here, I'd put this around 8 days once specs are locked. I'll sign whatever confidentiality agreement you need before you send the PRD over. Best, Emrah
€2,100 EUR in 8 days
2.9
2.9

Hi, I'm excited about the opportunity to help you build the MVP for your global fashion-tech marketplace on Bubble.io. It sounds like you need a platform that seamlessly connects buyers with luxury resellers, complete with advanced payment integrations and logistics support. With my 7+ years of experience in developing custom applications and handling complex API setups, I can create a robust architecture that meets your specific needs. I’m particularly skilled at integrating payment systems like Stripe Connect and connecting with shipping APIs to automate processes like label generation and customs handling. I understand the importance of a smooth user experience, especially in a high-end marketplace, and I’m ready to dive into your detailed Product Requirements Document. One question I have is about the specific types of AI image recognition services you’re considering for integration.
€1,500 EUR in 21 days
2.0
2.0

Hi there, I just read your posting. It sounds like you need an expert Shopify developer who can handle advanced custom coding work and help implement complex functionality correctly on your store. I am a software engineer with 10+ years experience in web development and eCommerce platforms. Building custom Shopify functionality, modifying themes, debugging difficult issues, and implementing clean scalable code is what I specialize in. I can work with you to review the current issue in your Shopify store, identify the best technical solution, and implement the coding changes safely without breaking existing functionality. Whether it involves Liquid templates, Shopify APIs, custom sections, app integration, JavaScript, or performance optimization, I can help you complete the work professionally. Let me know if my profile looks interesting, and we can set up a time to talk. Best regards, Elijah M.
€2,000 EUR in 10 days
1.3
1.3

Hello, the vision for an innovative fashion-tech marketplace with custom transaction flows and advanced API integrations aligns well with my expertise. I can integrate Stripe Connect for escrow and manage global shipping APIs effectively. My work optimizing page loads from 3.4s to 2.2s for previous projects demonstrates a commitment to efficient system architecture. Happy to discuss your PRD.
€2,250 EUR in 7 days
0.0
0.0

Hey — saw your post about building a high-end fashion marketplace on Bubble.io. A common pain point in marketplaces is ensuring smooth, scalable product filtering and inventory updates. Quick question: Are you planning to handle real-time inventory syncs within Bubble, or integrating with external systems? I’ve built several Bubble MVPs focused on marketplaces with complex workflows and smooth user experience. If you send over any specs or design files, I’ll take a look and share what’s feasible for your MVP timeline.
€2,250 EUR in 7 days
0.0
0.0

Athens, Greece
Payment method verified
Member since Feb 14, 2024
$250-750 USD
$250-750 USD
$15-25 USD / hour
€30-250 EUR
£18-36 GBP / hour
$10-30 USD
$30-250 USD
$250-750 USD
$750-1500 USD
$250-750 USD
£10-20 GBP
$250-750 AUD
₹100-400 INR / hour
$30-250 USD
₹1500-12500 INR
₹1500-12500 INR
$250-750 USD
₹12500-37500 INR
$250-750 USD
$30-250 CAD