Back End Developer

2 weeks ago

Bareilly, India InstaSupply.ca Full time

InstaSupply** Role: Backend Engineer (Node.js) Type: Full-time Contract (4 months) Location: Remote (India) Start Date: Immediate Company: InstaSupply (Construction supply + logistics platform) About the Project InstaSupply is building a full marketplace ecosystem for construction materials: • Customer app • Supplier app • Driver app • Admin system • Real-time delivery tracking • AI-powered product search • Supplier sync with Shopify, Clover, QuickBooks and more You will architect and build the backend that powers the entire platform. What You Will Build • Authentication + user roles (customer, supplier, driver) • Product catalog, categories, inventory APIs • Cart, checkout, pricing logic • Order creation, transitions, and reporting • Driver routing + live location updates • Push notification triggers • Webhooks + third-party integrations • Admin API for supplier approvals • AI search endpoints (with vector DB) • Logs, caching, queue systems Core Responsibilities • Design and develop secure REST APIs • Build scalable backend architecture from scratch • Integrate Shopify, Clover, QuickBooks and other external APIs • Implement real-time updates (WebSockets or equivalent) • Work with mobile engineer to expose clean endpoints • Ensure performance, reliability, and security • Deploy to cloud (AWS/GCP) with CI/CD Required Skills • Strong experience in Node.js • Hands-on with MongoDB or PostgreSQL • Experience designing complex API systems • Real-time technologies: WebSockets / Socket.io / Firebase • System architecture, caching, queues (Redis/RabbitMQ) • Experience integrating third-party APIs • Strong debugging & problem-solving skills • Solid Git discipline Bonus Skills • Experience with Shopify / QuickBooks APIs • Knowledge of GraphQL • Familiarity with vector databases (Pinecone / Qdrant) • DevOps basics (Docker, CI/CD, load balancing) • Background in eCommerce or logistics systems Why Join • Build a full product ecosystem end-to-end • Work directly with the founder for fast decisions • No bureaucracy, high ownership • Ship something real in 4 months To Apply Send your: • • GitHub • 2 backend projects or APIs you have built • Brief note on your experience with integrations

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