Rohan Das

Rohan Das

Lead Engineer

Full-stack architect with expertise in React, Next.js, and cloud infrastructure. Rohan shares technical deep-dives, performance optimization techniques, and modern JavaScript ecosystem tutorials.

Areas of Expertise:
Next.jsReact NativePostgreSQLAWS

Articles by Rohan

Multi-Tenant SaaS Architecture: How We Built It in 10 Weeks

Multi-Tenant SaaS Architecture: How We Built It in 10 Weeks

Multi-tenancy is the defining architectural challenge of SaaS. Here's the exact architecture — database design, auth, billing — that we use to build production-ready multi-tenant SaaS platforms.

Jun 14, 20269 min read
How to Build a RAG Chatbot with LangChain: A Step-by-Step Guide (2026)

How to Build a RAG Chatbot with LangChain: A Step-by-Step Guide (2026)

RAG chatbots are the highest-ROI AI implementation for most businesses. Here's the complete technical guide to building one with LangChain, from document ingestion to production deployment.

Jun 12, 20268 min read
GraphQL vs REST API: Which to Choose for Your Startup?

GraphQL vs REST API: Which to Choose for Your Startup?

GraphQL has been hyped as the REST killer for a decade. In 2026, the reality is more nuanced — each excels in specific contexts. Here's how to make the right call for your startup.

Jun 11, 20266 min read
Building a SaaS MVP in 10 Weeks: A Founder's Technical Guide

Building a SaaS MVP in 10 Weeks: A Founder's Technical Guide

Ten weeks. That's the standard we hold ourselves to for delivering a production-ready SaaS MVP. Here's exactly how we architect, build, and deploy one — without cutting corners that matter.

Jun 9, 20268 min read
What Is IT Staff Augmentation? The Complete Guide for Startups (2026)

What Is IT Staff Augmentation? The Complete Guide for Startups (2026)

Staff augmentation is the fastest way to scale your engineering team without the overhead of local hiring. But "staff augmentation" means different things to different agencies. Here is the clear, no-jargon explanation.

Jun 5, 20265 min read
How to Hire a Full Stack Developer in India: The 2026 CTO's Guide

How to Hire a Full Stack Developer in India: The 2026 CTO's Guide

Hiring a full stack developer in India is a smart move for startups. But how do you screen for senior React + Node.js skills, manage timezone overlap, and avoid the pitfalls of freelance platforms? Here is the 2026 CTO's guide.

Jun 2, 20266 min read
How AI & Automation Are Transforming Businesses in Delhi NCR (2026)

How AI & Automation Are Transforming Businesses in Delhi NCR (2026)

AI has moved from buzzword to boardroom priority in Delhi NCR. This guide covers practical, high-ROI AI applications - from LLM-powered support bots to predictive inventory - with real examples from local businesses.

May 5, 202610 min read

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