
Ditutup
Disiarkan
Dibayar semasa penghantaran
I'm looking for an experienced API developer to integrate multiple retail vendors' POS systems and webshops into my marketplace (shopify + webkul multi vendor marketplace). The vendors use Shopify, Woocommerce, and various custom systems. Key Requirements: - Integrate stock for real-time updates, batch updates, and order synchronization. - Implement user authentication and access controls for secure API usage. Ideal Skills and Experience: - Proficiency in API development and integration. - Experience with Shopify, Woocommerce, and custom POS systems. - Strong understanding of user authentication and access control mechanisms. - Ability to deliver reliable and scalable integration solutions. - Excellent problem-solving skills and attention to detail. Please include examples of similar work done in your bids.
ID Projek: 40341631
133 cadangan
Projek jarak jauh
Aktif 13 hari yang lalu
Tetapkan bajet dan garis masa anda
Dapatkan bayaran untuk kerja anda
Tuliskan cadangan anda
Ianya percuma untuk mendaftar dan membida pekerjaan
133 pekerja bebas membida secara purata $197 USD untuk pekerjaan ini

I have extensive experience in PHP, JavaScript, Software Architecture, Shopify, and Software Development, making me a great match for the API Integration for Retail Marketplace project. The budget can be adjusted after discussing the full scope, and I am committed to working within your budget. Please review my 15-year-old profile to see my track record of successful projects. Let's discuss the job details and get started right away. I am ready to show my dedication to this project by starting work without being hired. Eagerly awaiting your response.
$225 USD dalam 6 hari
8.7
8.7

Hi there, To integrate multiple retail vendors' POS systems and webshops into your Shopify marketplace, I will ensure real-time stock updates and order synchronization. I will use Shopify's API to connect with the vendors' systems, including Woocommerce and custom setups, ensuring secure user authentication and access controls. I have experience with similar integrations and can provide examples of my past work. Could you please clarify if there are specific vendors you want to prioritize for the integration? Also, do you have any existing documentation for the POS systems? Let's chat or share any details and files needed to start this project. Thanks!
$250 USD dalam 5 hari
8.3
8.3

⭐⭐⭐⭐⭐ Integrate Retail Vendors’ POS Systems into Your Marketplace ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project needs and see you're looking for an experienced API developer. Look no further; Zohaib is here to assist you! My team has successfully completed over 50 similar projects for API integration. I will ensure seamless integration of stock updates, order synchronization, and secure user access. ➡️ Why Me? I can easily handle your API integration project as I have 5 years of experience in API development, working with Shopify, Woocommerce, and custom POS systems. My expertise also includes implementing user authentication and access controls. I focus on delivering reliable and scalable solutions tailored to your needs. ➡️ Let's have a quick chat to discuss your project in detail. I would love to show you examples of my previous work that demonstrate my skills in API integration. Looking forward to chatting with you! ➡️ Skills & Experience: ✅ API Development ✅ Shopify Integration ✅ Woocommerce Integration ✅ Custom POS Systems ✅ User Authentication ✅ Access Control ✅ Real-time Updates ✅ Batch Updates ✅ Order Synchronization ✅ Problem Solving ✅ Attention to Detail ✅ Scalable Solutions Waiting for your response! Best Regards, Zohaib
$150 USD dalam 2 hari
8.0
8.0

Woah Hello, I see you're looking to integrate various retail vendors' POS systems and webshops into your marketplace, which combines Shopify and Webkul. This involves real-time stock updates, order synchronization, and implementing secure user authentication. My approach would involve creating a robust API that seamlessly connects these systems, ensuring data flows smoothly and securely between all platforms. With 7+ years of experience in API development and integration, I’ve worked on similar projects that required interfacing with Shopify, WooCommerce, and custom POS systems. My focus has always been to deliver reliable and scalable solutions while paying close attention to detail and problem-solving challenges as they arise. I’m excited about the opportunity to help you streamline this integration and enhance your marketplace functionality. Best regards, Ivan Mandinski
$35 USD dalam 3 hari
7.4
7.4

Hi, ➡️ I read your project description about needing an experienced API developer to integrate various retail vendors POS systems and webshops into a Shopify + Webkul multi-vendor marketplace. ⏺️ With extensive experience in API development and system integrations, I specialize in creating seamless connections between platforms like Shopify, WooCommerce, and custom systems. My expertise includes real-time stock updates, batch updates, order synchronization, and implementing robust user authentication and access controls for secure API usage. I have successfully delivered similar projects, ensuring scalability and precision. Regards, Aftab Ahmad API Integration Specialist (10+ Years of Experience)
$150 USD dalam 6 hari
7.4
7.4

Hi The main challenge here is handling real-time stock and order sync across mixed systems (Shopify, WooCommerce, and custom POS), where inconsistent APIs and delays can easily cause overselling or data mismatch. I’ve built similar multi-source integrations where I normalized data through a middleware layer (Node.js/Python) that handles webhook ingestion, scheduled batch sync, and conflict resolution. For Shopify and WooCommerce, I can leverage native APIs and webhooks, while for custom systems I’ll design flexible adapters to standardize inventory and order flows. I’ll implement secure authentication using token-based access (OAuth2/API keys) with role-based controls to ensure vendors only access their own data. The architecture will support real-time updates where possible and fall back to smart batching to maintain reliability under load. I also focus on idempotent processing and retry logic so failed syncs don’t corrupt inventory or orders. This approach ensures your marketplace stays accurate, scalable, and stable as more vendors are added. Thanks, Hercules
$140 USD dalam 7 hari
7.1
7.1

Hello, I understand you need reliable API integrations to connect multiple retail vendors’ POS systems and webshops (Shopify, WooCommerce, and custom platforms) with your marketplace for real-time stock, batch updates, and order synchronization. I can deliver a secure, scalable solution with proper authentication and access control. I will develop API connectors for each platform, ensuring accurate inventory and order flow while handling error logging, retries, and rate limits. Custom POS systems will be integrated via REST or SOAP as applicable. Security will include token-based authentication and role-based access control to protect vendor data. You will receive fully tested integration scripts, clear documentation, and a reliable sync system ready for production, with monitoring hooks for ongoing performance and error detection. Thanks, Asif.
$250 USD dalam 3 hari
6.9
6.9

Hi, As per my understanding, you need API integrations for your Shopify+Webkul marketplace to sync stock (real-time/batch) and orders from vendors' Shopify, WooCommerce, and custom POS systems, plus secure user auth. Approach: - Webhooks + cron for stock/order sync, Node.js/Express middleware for Shopify/Woo REST/GraphQL. - JWT/OAuth2 auth with role-based access via middleware. - Error retry queues, Postman tests. 1. Vendor API endpoint list? 2. Sync frequency needs? I'll share my portfolio on your first message.
$450 USD dalam 10 hari
6.9
6.9

Hello, I will create a PHP script to automate your task. I have extensive experience in writing PHP scripts for automating data collection and posting. Please see my reviews for reference.
$400 USD dalam 3 hari
6.5
6.5

Hello, I’m an API integration specialist with strong experience connecting Shopify, WooCommerce, and custom POS systems into unified marketplaces. I can build a scalable integration layer to handle real-time stock sync, batch updates, and reliable order synchronization across all vendors. My approach includes webhook-driven updates for near real-time accuracy, fallback batch syncing, and a secure API gateway with proper authentication (OAuth/API keys, role-based access control). I’ll ensure data consistency, conflict handling, and performance under scale. I’ve worked on similar multi-vendor integrations where different systems needed to stay in sync without breaking workflows. Clean architecture, logging, and monitoring will be included for long-term reliability. Quick questions: Do vendors already provide API/webhook access, or will some require custom connectors? Also, what’s your expected number of vendors and sync frequency? With Regards!
$250 USD dalam 7 hari
6.6
6.6

Hi I’ve reviewed your project and can build a secure, scalable integration layer that connects multiple vendor POS systems and webshops to your Shopify marketplace powered by Webkul. My approach will focus on real-time and batch synchronization of stock, orders, and customer data with robust authentication and access control for each vendor. Using PHP and JavaScript with REST and webhook-based APIs, I’ll create a unified middleware that normalizes data from Shopify, WooCommerce, and custom POS systems into your marketplace database. This will ensure consistent inventory levels, accurate order flow, and secure vendor-specific permissions. With strong experience in multi-platform API development and marketplace integrations, I can deliver a reliable system that scales as you onboard new vendors while maintaining data integrity and performance. Best, Justin
$1,500 USD dalam 10 hari
6.2
6.2

I have extensive experience in data science and am excited about API Integration for Retail Marketplace.
$1,200 USD dalam 5 hari
6.6
6.6

Hello There!!! ★★★★ ( Real-time API integration for multi-vendor retail marketplace ) ★★★★ I understand you need an API integration connecting multiple vendors’ Shopify, WooCommerce, and custom POS systems to your marketplace, ensuring real-time stock updates, batch sync, and secure order management. User authentication and access control are key to keeping the system safe and reliable. ⚜ Integrate stock updates across all vendor platforms ⚜ Real-time and batch order synchronization ⚜ Implement secure user authentication ⚜ Access control for vendor APIs ⚜ Error handling and logging ⚜ Scalable and reliable integration solution ⚜ Documentation for future maintenance I have extensive experience integrating Shopify, WooCommerce, and custom POS systems, building secure, reliable APIs, and handling complex synchronization. I’ll deliver a solution that keeps your marketplace stock and orders accurate and secure. Warm Regards, Farhin B.
$110 USD dalam 10 hari
6.6
6.6

As a full-stack developer with more than 13 years of experience, I bring not just the skills you need for your API Integration project, but also a wealth of knowledge about different systems like Shopify, Woocommerce, and custom POS systems. My proficiency in various backend frameworks (such as Core PHP, Laravel, CodeIgniter etc.) combined with my ability to handle front-end development (HTML5, CSS3, Tailwind CSS etc.) make me uniquely qualified for this project where seamless API integrations are crucial. Apart from just integrating stock for real-time updates and order synchronization, my skill set goes beyond what you've mentioned: I have experience in system architecture, payment gateway integrations and can design secure applications. This means that your project would benefit from not just being limited to POS integration but also more holistic solutions encompassing the secure authentication aspects you're looking for. But let's talk about my ability to deliver. In over a decade in the field, I have had an impeccable track record of delivering robust, scalable and maintainable systems. My methodology that includes structured documentation, strategic organization and rigorous testing dovetails perfectly into your key requirements – batch updates and secure API usage. Let's build a reliable foundation for a successful shopping experience together!
$140 USD dalam 7 hari
6.7
6.7

From building high-performing digital platforms to automating workflows, my team and I have the perfect mix of skills to tackle your API integration project. With extensive experience in API development and integration, we've successfully integrated various platforms including Shopify, WooCommerce, and custom POS systems - precisely the ones you require. This means we are well-versed in tackling the unique challenges these platforms may pose to stock updates, batch updates, and order synchronization. What sets us apart is not just our extensive toolkit, but our approach. We understand that your retail marketplace depends on reliable, up-to-date data for smooth operations. Choose us and let us turn your Shopify + webkul multi vendor marketplace into an efficient hub that drives growth for all retailers involved.
$30 USD dalam 1 hari
5.8
5.8

Hi, I can build a scalable API integration layer to sync inventory, orders, and vendor data across Shopify, WooCommerce, and custom POS systems. I’ll implement real-time and batch sync with secure authentication, access control, and reliable handling of edge cases. My approach uses a centralized middleware to standardize data flows and ensure stability across different vendor systems. I’ve worked on multi-source integrations and marketplace sync systems and can share relevant examples once we connect. Do you prefer a webhook-driven real-time system or a hybrid with scheduled sync for reliability? I’m ready to start immediately and deliver a robust, production-ready integration, let’s proceed. Best Regards, Fizza Nadeem K
$80 USD dalam 5 hari
5.8
5.8

Hi, As a individual developer I’m available to start right away. I can help in your project focusing on integrating multiple vendor systems into your marketplace, including real-time stock sync, batch updates, order synchronization, API authentication, access control, and all related backend and integration modules to fix, improve, and develop during the project. With my expertise in full-stack development and experience working with modern web technologies like PHP, JavaScript, Shopify, WooCommerce, REST APIs, webhook systems, POS integrations, and scalable data synchronization architecture, I can build this quickly with a reliable and secure multi-vendor integration flow. You can expect clear communication, fast turnaround, and a high-quality result that fits seamlessly into your existing workflow. Best regards, Juan
$140 USD dalam 1 hari
5.8
5.8

Hello Greetings, After reviewing your project description, I feel confident and excited to work on this project for you. But I have some crucial things and queries to clear out. Please leave a message on chat so we can discuss this, and I can share my recent work similar to your requirements. Thanks for your time! I look forward to hearing from you soon. Best Regards.
$200 USD dalam 4 hari
6.0
6.0

Hi, I specialize in Shopify and WooCommerce development and API integrations, which makes me a strong fit for your multi-vendor marketplace project. Here's how I'll approach it: - Shopify REST/GraphQL API integration for Shopify vendors (real-time stock, batch updates, order sync) - WooCommerce REST API integration for WC vendors - Custom REST API adapter for non-standard POS systems - Webhook-based real-time stock and order status synchronization across all vendors - JWT/OAuth-based user authentication and access control per vendor - Webkul Multi Vendor Marketplace compatibility ensured - Thorough testing and documentation of all integrations I've worked with Shopify + WooCommerce API integrations and understand the challenges of syncing multiple vendors with different systems. I lead Webneco Infotech — 4.9★, 118 reviews, 92% on-time delivery. Happy to share relevant examples of similar API integration work. Shall we connect to discuss the vendor system details?
$170 USD dalam 7 hari
6.0
6.0

Hello, I came across your project API Integration for Retail Marketplace and I am very interested in working with you. I have reviewed your requirements and fully understand the scope and expectations. I specialize in PHP, JavaScript, Software Architecture, Shopify, Software Development, WooCommerce, Backend Development, Database Management, API Development, API Integration and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity, and professionalism. I work transparently throughout the project so progress, deadlines, and expectations stay clear at every stage. I would be glad to discuss further details and am ready to start immediately. Looking forward to hearing from you. Regards, Anum
$140 USD dalam 3 hari
5.1
5.1

Denmark
Ahli sejak Apr 1, 2026
₹12500-37500 INR
₹1500-12500 INR
$10-30 USD
₹75000-150000 INR
₹1500-12500 INR
₹12500-37500 INR
₹12500-37500 INR
$30-250 USD
$30-250 USD
₹400-750 INR / jam
₹75000-150000 INR
$250-750 NZD
$250-750 USD
₹12500-37500 INR
₹12500-37500 INR
₹1500-12500 INR
₹1250-2500 INR / jam
₹12500-37500 INR
₹12500-37500 INR
₹12500-37500 INR