Blog

Guides from production, not theory.

What I've learned shipping 30+ products — RAG systems, SaaS platforms, payment infrastructure, and enterprise AI — written for founders and teams deciding what to build and who to hire.

AI Development · August 31, 2026

How Much Does It Cost to Build a RAG Chatbot in 2026?

Real cost ranges for RAG chatbot development in 2026 — what drives the price, typical freelance rates, monthly running costs, and how to keep the budget under control.

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AI Development · August 31, 2026

Next.js + FastAPI RAG Architecture: What Actually Works in Production

A production-tested architecture for RAG chatbots using Next.js and FastAPI — ingestion, hybrid retrieval, streaming, evaluation, and deployment, from projects that shipped.

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Payments · August 31, 2026

Stripe vs Razorpay vs Adyen for SaaS Billing: A Developer's Honest Comparison

Which payment gateway should your SaaS use in 2026? Stripe, Razorpay, and Adyen compared on subscriptions, global coverage, webhooks, and developer experience — by someone who has integrated all three.

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SaaS Architecture · August 31, 2026

Multi-Tenant SaaS with Next.js and Prisma: Architecture Lessons from Production

How to structure a multi-tenant SaaS with Next.js and Prisma — tenancy models, data isolation, per-tenant branding, encrypted credentials, and the mistakes to avoid, from a shipped compliance platform.

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Hiring · August 31, 2026

Freelancer vs Agency vs In-House: How to Hire a Full-Stack Developer in 2026

A practical guide to hiring a full-stack developer in 2026 — real cost comparison between freelancers, agencies, and employees, how to vet candidates, and the red flags that predict failed projects.

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Enterprise AI · August 31, 2026

Shipping an Enterprise LLM Platform for Banks: 7 Lessons from JARVIS RCSA

What building JARVIS RCSA — an enterprise document-AI platform used by financial institutions — taught me about LLM verification, regulatory compliance (SR 11-7, EU AI Act, DORA), and orchestration at scale.

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