Lead Full Stack Software Developer

Job Description

Lead Full Stack Software Developer

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Location: Upper Saddle River, NJ (Onsite – 5 Days/Week)

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The position involves working closely with a user community that is predominantly Hasidic Jewish , so familiarity and comfort working within a Hasidic business environment is highly valued. Yiddish language skills are plus , as Yiddish is commonly spoken by some of the users, although fluency is not required.

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Build Technology That Runs an Entire Business

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We're seeking a Lead Full Stack Software Developer to own and evolve the technology platform behind a rapidly growing wholesale distribution and e-commerce company. This is an opportunity for a hands-on developer who enjoys building software, integrating systems, solving business problems, and working directly with operations.

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You'll lead development across our internal applications, ERP integrations, warehouse management system (WMS), API integrations, SQL databases, and business automation tools. This role combines software engineering, systems integration, solution architecture, and business process improvement.

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If you've worked in wholesale distribution, e-commerce, logistics, supply chain, ERP, WMS, or fulfillment environments—and enjoy building software that directly impacts the business—we'd love to talk with you.

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What You'll Do

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• Design, build, and maintain full stack business applications
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• Develop REST APIs and system integrations
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• Build and maintain integrations between NetSuite, e-commerce marketplaces, shipping platforms, and internal applications
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• Lead ongoing development of our Warehouse Management System (WMS)
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• Develop new features using JavaScript, Node.js, SQL, and related technologies
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• Design scalable solutions that improve business operations
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• Partner directly with Operations, Purchasing, Warehouse, Customer Service, and Sales teams to gather requirements
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• Troubleshoot production issues and continuously improve existing applications
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• Optimize SQL queries, stored procedures, and database performance
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• Help define technical architecture and future development standards
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• Take ownership of mission-critical software systems
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Required Experience

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• 5+ years of Full Stack Software Development
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• JavaScript
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• Node.js
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• Express.js
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• SQL (SQL Server, PostgreSQL, Oracle, or equivalent)
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• REST API development
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• Systems integration experience
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• Git
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• Strong problem-solving and debugging skills
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• Experience working directly with business users
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Preferred Experience

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• NetSuite ERP
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• Warehouse Management Systems (WMS)
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• Transportation Management Systems (TMS)
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• E-commerce platforms
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• Amazon Marketplace integrations
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• Walmart Marketplace
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• Shopify
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• Inventory Management Systems
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• Microsoft SQL Server
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• MongoDB
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• Azure
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• Authentication and API security
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• Supply chain technology
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• Wholesale distribution
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• Logistics
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• Order fulfillment
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Why Join Us?

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• Own the company's software platform
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• Work directly with executive leadership
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• Build software used by every department
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• Lead high-impact integration and automation projects
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• Significant technical ownership and autonomy
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• Long-term career growth
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• Competitive compensation:
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Ideal Candidate

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You are someone who enjoys understanding how a business operates—not just writing code.

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You like working with users, solving operational challenges, designing practical solutions, and seeing your software make an immediate impact. You take ownership, think independently, and aren't afraid to jump into production issues when needed.

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This is an excellent opportunity for someone who wants to become the technical owner of a company's core software platform while working closely with leadership to shape future technology initiatives.