Founder Technical Portfolio

The engineer behind the grid.

Every app on AlNodes was architected and shipped by a single developer-founder — production-grade systems, not mockups.

Md. Al-Amin Hossein

Al Amin Hossain

Founder & Senior Software Developer

Over 10 years of deep expertise in the enterprise .NET ecosystem, containerized grid architectures, and building production-grade double-entry financial cores.

10+ yrs

Enterprise .NET

5 apps

Containerized grid

90%+

Gross margin layout

65K+

Records indexed

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Developer-Founder Thesis

“As a developer-founder, I don't build vaporware or pitch mere mockups. I build low-overhead, highly containerized, production-ready systems designed to scale on minimalist cloud infrastructure.”

Technical Stack

Backend & Core

Enterprise .NET 10C# / ABP FrameworkDouble-Entry Financial CoresNode.js / Prisma

Architecture

Containerized GridsMulti-Tenant SaaSOIDC / OAuth 2.0 SSOClean / DDD Architecture

Frontend & Mobile

React 18 + TypeScriptReact Native (Expo)Ant Design / TailwindTurborepo Monorepos

Data, Infra & AI

PostgreSQL + EF CoreRedis · SQLite FTS5Docker · CloudflareLLM Integration (Gemini / Claude)

Shipped across the AlNodes grid

AptManagerapt.alnodes.com

Multi-tenant residential management SaaS

Enterprise Double-Entry Accountingledger.alnodes.com

Bulletproof enterprise financial core

Find Schoolschool.alnodes.com

Offline-first directory of 65,000+ schools

Paper-to-ledger intelligent pipeline

DoorAuthServerauth.alnodes.com

Centralized OIDC / OAuth 2.0 SSO grid