Engineering, documented.
No classroom theory.

How we integrated BioStar X with FORTIA for industrial attendance control

The technical challenge of syncing a biometric system with a payroll ERP at an automotive plant with over 500 employees. Architecture, endpoints and lessons learned.

Building a crypto payment gateway with Node.js and ethers.js v6

How to design a cryptocurrency payment architecture supporting BTC, USDT TRC-20, ERC-20 and BEP-20 with per-transaction dedicated wallets and automated sweeping.

Biometric vector search with pgvector in PostgreSQL

Why we chose pgvector over Pinecone or Weaviate for our facial recognition engine. Benchmarks, configuration and cosine similarity queries.

Why we migrated from Odoo to Next.js: architecture decisions for a corporate site

When an "enterprise" CMS platform becomes a drag on your brand image. The technical and product analysis behind the decision to migrate to a modern stack.

Multi-tenant architecture for WhatsApp Business with Baileys

How to structure a multi-company SaaS for WhatsApp using Baileys. Session isolation, sliding-window rate limiting, code obfuscation and a freemium model with Stripe.

Electronic PDF signing in Node.js with pdf-lib and HMAC webhooks

A practical implementation of a document signing module: embedding signatures in PDFs, generating an audit trail, dispatching HMAC-SHA256-signed webhooks and managing multi-signer workflows.

Deploying Node.js to production with CloudPanel, PM2 and Nginx

The hybrid vhost setup that solves the problem of serving a React SPA and a Node.js API under the same domain in CloudPanel, without route conflicts.

What access control software needs to comply with C-TPAT

An analysis of the minimum technology security criteria required by CBP for C-TPAT certification. How we translate them into software features for our platform.