About Stack Work KonvertIt ↗ Case Raft ↗ eBay Store ↗ Fiverr ↗ Get In Touch
Operational — Live E-CLARX LLC

We don't just
build software.
We run it.

E-CLARX is a technology and commerce company that ships full-stack software, runs multi-platform e-commerce operations, and delivers SaaS solutions — all from real operational experience.

View Our Work Start a Project
4+
Platforms Active
2
Products Shipped
Lines Deployed
React Node.js Python Flask PostgreSQL Next.js Amazon eBay API Shopify Vercel Railway Redis JWT Auth Playwright React Node.js Python Flask PostgreSQL Next.js Amazon eBay API Shopify Vercel Railway Redis JWT Auth Playwright

Built by operators,
for operators.

E-CLARX LLC is a technology and commerce company founded on a simple principle: every product we ship comes from real operational friction — not theory.

From marketplace automation across Amazon, Walmart, eBay, and Shopify, to full-stack SaaS tools deployed in production — we build the software we actually needed and couldn't find.

Our stack is modern, our approach is lean, and our results are measurable. Whether you need a custom web application, e-commerce infrastructure, or a freelance development partner — we move fast and ship things that work.

4+
Platforms Operated
2
Products Shipped
100%
Custom-Built Stack
Edge Cases Solved
Software & SaaS Development
⚙️

Full-stack web applications built with React, Node.js, Python, and Flask — deployed and production-ready on Vercel and Railway.

E-Commerce Operations
📦

Active storefronts across Amazon, Walmart, eBay, and Shopify — with custom automation and tooling built entirely in-house.

Freelance Development
🛠

Custom web development for businesses — React, Node.js, Python, Flask, Shopify, and WordPress. Clean code, real results.

Marketplace Automation
🤖

Proprietary tools for product discovery, automated listing, price monitoring, and arbitrage — battle-tested at scale.

Our actual stack.

No buzzwords. No slides. This is what's running in production right now across our software and commerce operations.

Frontend
React
Next.js
HTML5 / CSS3
Tailwind CSS
JavaScript (ES6+)
Backend
Node.js
Python
Flask
REST APIs
JWT Auth
SQLAlchemy
Data & Infrastructure
PostgreSQL
Redis
Vercel
Railway
Git / GitHub
Commerce & Testing
eBay API
Amazon SP-API
Shopify
Walmart API
Playwright
Jest
Pytest

Proof, not promises.

01
KonvertIt
SaaSReactNode.jsPostgreSQLRedis

Problem: Sellers waste hours reformatting product data between Amazon, eBay, and Walmart — each platform demands a unique CSV structure.

Solution: A multi-marketplace product data conversion SaaS. Upload once, export everywhere. Deployed on Vercel and Railway with live database persistence and Redis caching.

View Live App ↗
3 Platforms
Supported
Live
Production Deploy
02
Case Raft
Legal TechFlaskReactPDF GenerationClio Manage

Problem: Legal professionals spend excessive time manually compiling case summaries and generating formatted reports from Clio Manage data.

Solution: A legal case summary and reporting tool that pulls data from Clio Manage and generates structured, print-ready PDF reports — saving hours of manual formatting per case.

View App ↗
PDF
Print-Ready Output
Clio
API Integrated

Let's build
something real.

Whether you need a custom web application, e-commerce automation, or a technical partner who actually ships — we're ready to talk. Tell us what you're building.