
Full Stack Developer for CRM Completion with Vercel Expertise
Upwork
Remoto
•6 hours ago
•No application
About
Job Title: Full Stack Developer (Vercel Expert) to Complete CRM System Description: We are seeking an experienced Full Stack Developer with proven expertise in Vercel.app to help us complete a custom CRM system that has already been started. The foundation is in place, but we need a professional to finalize the build, integrate all required systems, and ensure everything runs seamlessly in production. Responsibilities: • Review the existing CRM codebase and architecture. • Complete the front-end and back-end development as needed. • Implement and optimize integrations with: • E-commerce platforms (Wix, Amazon, eBay, Walmart, etc.) • Communication tools (WhatsApp, Nextiva, Email, SMS, etc.) • Shipping/fulfillment services (ShipStation, AfterShip, etc.) • Build CRM features such as: • Customer profiles & activity tracking • Sales pipeline & order management • Automated workflows (calls, emails, WhatsApp messages) • Inventory, POS, invoicing, and reporting modules • Optimize deployment and scalability using Vercel. • Ensure clean, well-documented, and maintainable code. • Deliver a fully functioning CRM that is reliable, secure, and user-friendly. Requirements: • Strong proficiency in Full Stack Development (React, Node.js, Next.js, or similar). • Expert-level experience with Vercel.app (serverless functions, edge deployment, integrations). • Experience with API integrations (CRM, ERP, E-commerce, Messaging, Shipping). • Knowledge of cloud-based databases (Firebase, MongoDB, PostgreSQL, etc.). • Strong understanding of authentication, security best practices, and scalability. • Proven track record of completing CRM or ERP-like systems. • Excellent communication and ability to work independently with minimal supervision. Preferred Skills (Nice to Have): • Experience with Odoo, Zoho, or HubSpot integrations. • Knowledge of automation platforms (n8n, Pabbly, Integrately, Zapier). • Familiarity with payment gateways and multi-channel marketplace systems. Project Scope: • Short-term contract with the potential for long-term collaboration. • The system is already started; you will be taking over to finalize integrations and polish the product to completion. • Must be available for regular updates and progress meetings. How to Apply: Please include: 1. Examples of CRM/ERP projects you’ve worked on. 2. Your experience with Vercel.app (please detail). 3. Estimated timeframe for completing a medium-sized CRM ⸻