Custom software, ERP & marketplace engineering in Brooklyn
We build custom enterprise ERP systems (Odoo), mission-critical web platforms, and high-throughput marketplace tools for New York businesses. A senior engineering team based in Williamsburg, delivering real production velocity since 2013.
Founded in New York. 12+ years of continuous custom software delivery.
Production systems delivered — 250,000+ logged engineering hours.
Senior developers on team, including 5 new engineers added in 2026.
Approved marketplace applications across Amazon Seller & Walmart.
Official Amazon Software Partner and Walmart Approved Solution Provider — both marketplaces independently audited our processes, data security, and API integrations.
Amazon Software Partner
Listed in the Amazon Selling Partner Appstore after rigorous security and operational audits. We engineer high-throughput removal orders, repricers, and inventory reconciliation.
Walmart Approved Provider
Approved by Walmart Marketplace to build seller-facing integrations, real-time item sync, order management pipelines, and automated pricing tools.
Four core capabilities, one senior team
Whether you are an established e-commerce distributor in Williamsburg, a property manager in Brooklyn, or a growing NYC enterprise — we build software tailored directly to your operational reality.
Custom ERP & Odoo Migrations
We customize, migrate, and support Odoo and custom Python ERPs for inventory-heavy and operationally complex businesses. Multi-warehouse syncing, automated accounting, and vendor feeds.
- Multi-warehouse & batch inventory sync
- Custom Python backend & accounting rules
- Vendor data feeds & PO synchronization
Amazon & Walmart Systems
Official partner integrations, high-throughput SP-API applications, automated removal order pipelines (Returns Manager), and automated Shabbat compliance tools (Shabbos Mode).
- Automated removal order workflows
- High-throughput Walmart & Amazon APIs
- Automated Shabbat compliance tools
Web Platforms & Portals
Custom customer-facing portals, tenant management platforms (like Rennit), and internal back-office tooling built on Next.js, React, Node.js, and PostgreSQL that you own 100%.
- Next.js, React, Node.js & Python stack
- Robust PostgreSQL & distributed services
- Role-based access & tenant management
AI Workflows & Production Audits
Practical AI pipelines via Claude Code and n8n that cut manual operational hours by up to 50%, paired with rigorous code security audits to prevent vulnerabilities before shipping.
- SMS, email & task routing bots
- LLM document extraction & OCR parsing
- Zero-trust security & access control audit
Four reasons local partnership matters
We deliver the speed, accountability, and clarity of a senior NYC team without the inflated overhead of traditional Manhattan consultancies.
EST Timezone & Real-Time Slack Access
No 12-hour offshore delays or lost-in-translation requirements. Instant response and direct developer collaboration during regular New York business hours.
In-Person Strategy at 628 Bedford Ave
Meet our senior engineering team in Williamsburg for discovery sessions, architectural whiteboarding, and sprint planning whenever face-to-face alignment is best.
100% US IP Ownership & NDA Protection
You own all source code, database architectures, and intellectual property. Governed by enforceable US commercial law with strict confidentiality and security.
Deep Local & Community Understanding
We understand the nuances of Brooklyn real estate, NYC logistics, wholesale distribution, and specialized operational compliance (like Shabbos Mode).
Case Studies
Rennit – Real Estate Rental Platform
Modern real estate rental platform for Brooklyn landlords and tenants, streamlining property listings, tenant screening, and lease workflows.
Results
Returns Manager – Unified System for Inventory, Returns, and Vendor Operations
Operations platform for e-commerce and wholesale businesses managing multi-channel returns, bin-based tracking, diagnostics, and vendor RTV workflows.
Results
ShabbosMode – Marketplace Automation Platform for Shabbat Observance
Marketplace automation platform that automatically manages listing pause and recovery for Shabbat and Jewish holidays across Amazon, Walmart, eBay, and Shopify.
Results
Custom Manufacturing ERP – Vertical ERP for Bespoke Artisan Operations
Vertical ERP on Odoo 19 for custom artisan manufacturing, uniting event demand, workshop queues, Hebrew calendar intelligence, and Cardknox payments.
Results
US Brooklyn, NY
628 Bedford Ave, Brooklyn, NY 11249, United States
Common Questions
From NYC &
Brooklyn Clients
Yes — we welcome in-person discovery sessions, architectural whiteboarding, and sprint planning at our Williamsburg office (628 Bedford Ave, Brooklyn, NY 11249). We also work seamlessly via Slack and video calls for day-to-day delivery.
We offer transparent milestone-based fixed pricing for clearly defined scopes (MVPs, custom modules, ERP migrations) as well as dedicated senior engineering teams for ongoing development. Every estimate comes with clear deliverables, deadlines, and no hidden retainer traps.
You own 100% of all code, architecture diagrams, database schemas, and intellectual property from day one. Everything is committed directly to your private repositories under enforceable US commercial agreements and comprehensive NDAs.
We are an independently audited Amazon Seller Partner and Walmart Approved Solution Provider with over 12 years of hands-on engineering experience. We specialize in operational backends, high-throughput APIs, custom ERPs, and marketplace automation — building mission-critical tools that run businesses.
We embed advanced AI engineering tools (Claude Code, n8n) directly into our development lifecycle, cutting engineering hours on standard tasks by up to 50%. Crucially, every AI-assisted module undergoes rigorous manual code review and zero-trust security validation before shipping to production.
EZ Cloud Labs has built custom software and automation for e-commerce and marketplace businesses since 2013. We build systems that fit how you actually work.
Jacob Rottenberg
CEO & FOUNDER
Ready to Build in Brooklyn?
Book a 30-minute discovery session with our senior engineering team at 628 Bedford Ave or via video call — no obligation, no generic sales pitch.