Building scalable SaaS systems,
AI products, and
developer infrastructure.
I’m Arpan Das — focused on NestJS, TypeScript, distributed backend systems, SDK development, and AI-powered products.

Building products, systems, and infrastructure.
I’m Arpan Das, a Full Stack Systems Engineer focused on building scalable backend platforms, developer SDKs, multi-tenant SaaS products, and AI-powered infrastructure.

Distributed Systems
Production-focused engineering with clean architecture, performance, and scalability.

SDK Engineering
Production-focused engineering with clean architecture, performance, and scalability.

Multi-Tenant SaaS
Production-focused engineering with clean architecture, performance, and scalability.

AI Product Development
Production-focused engineering with clean architecture, performance, and scalability.
Experience that built engineering depth
Trigma
Full Stack Systems Engineer
Designing enterprise-grade backend systems, multi-tenant SaaS architectures, secure APIs, SDK infrastructure, and cloud-native products.
Hoop Konsulting
Full Stack Developer
Built scalable backend services using Node.js, TypeScript, PostgreSQL, WebSockets, Firebase, AWS S3, and real-time analytics dashboards.
NextPage IT Solutions
Frontend Engineer
Led frontend architecture with React and Angular while improving developer workflows and delivery pipelines.
Klythe Private Limited
Full Stack Developer
Built production web applications, APIs, reusable components, and performance-focused product features.
Technologies I build with
Systems I’ve built in production
From multi-tenant SaaS platforms to SDK infrastructure, analytics, AI products, and scalable APIs.
Most Recent
Have a product, platform, or AI idea?
I build scalable SaaS, distributed backend systems, developer platforms, and AI powered products.
