Full Stack Developer

About Darkful

Darkful is a modern SaaS platform built to power 3PL (Third-Party Logistics) and dark-store fulfillment operations for e-commerce brands. It enables local and fast order fulfillment by connecting online stores with warehouses, providing an intuitive yet powerful solution for small and mid-sized 3PL providers. Our MVP will focus on integrations with Salla and Zid, delivering a bilingual (Arabic / English) ecosystem that includes multiple portals for 3PLs, merchants, and admins. Role Overview

We’re looking for a Full-Stack Developer to lead the end-to-end development of Darkful — from architecture design to launch. This role requires someone who can work independently, implement clean and scalable code, and translate product logic into a working, production-ready SaaS platform. You will build and connect all modules of Darkful, including authentication, integrations, order and inventory management, API syncing, and the multi-portal user experience. Key Responsibilities

Develop and deploy the full Darkful platform (frontend, backend, and database). Implement multi-role access (3PL, merchant, admin) with secure authentication and RLS logic. Develop core 3PL workflows : receiving, picking, packing, returns, inventory tracking, and order routing. Integrate with Salla and Zid APIs for real-time syncing of orders, products, and stock levels. Build bilingual (Arabic / English) UI with dynamic language toggle. Ensure responsive and smooth UX across all portals. Create scalable database structure and clean API layer. Handle deployment, debugging, and performance optimization. Collaborate closely with the product owner for weekly sprints and feature rollout. Requirements

Proven experience in full-stack SaaS development (frontend + backend + database). Strong understanding of REST APIs, webhooks, authentication, and data models. Skilled in JavaScript / TypeScript, React or similar frameworks, and modern backend frameworks (e.g., Node.js, Python, Express, or equivalent). Experience with multi-tenant or role-based systems. Knowledge of database design, preferably PostgreSQL or similar. Familiarity with e-commerce or 3PL systems (inventory, order fulfillment, logistics) is a strong plus. Ability to independently manage product development from concept to deployment. Fluent in English; Arabic understanding is a plus. Preferred Skills

Experience integrating third-party APIs (especially e-commerce platforms). UI / UX understanding for clean, modern, bilingual web apps. Experience in building scalable MVPs and optimizing for performance. Basic knowledge of DevOps, testing, and version control (Git).

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