Field Notes

AI Engineering Notes: LLM, RAG & SaaS.

Practical notes on shipping AI SaaS, LLM/RAG features, workflow automation, backend architecture, and product UI/UX into production — with real tradeoffs, delivery patterns, and production lessons.

9 articles published4 delivery domains coveredWeekly cadence

Vendor comparison matrix for RAG implementation agency: retrieval, controls, evals, and O cover image

FeaturedLLM/RAG #rag implementation agency #RAG vendor comparison

Vendor comparison matrix for RAG implementation agency: retrieval, controls, evals, and O

Compare rag implementation agency options with a technical matrix focused on retrieval, data controls, evals, and operational ownership. Includes vendor checklist and sprint scope.

Igor NepipenkoJun 15, 20267 min read

Recent posts // the archive

1-5 of 9 posts

Managed vs Self-hosted LLM RAG implementation private data — decision matrix cover image

LLM/RAG#llm rag implementation private data#RAG security

Managed vs Self-hosted LLM RAG implementation private data — decision matrix

Technical decision matrix for CTOs: choose managed or self-hosted LLM RAG for private, regulated data. Includes risk mapping, cost drivers, and a scoping plan.

Igor NepipenkoJun 12, 20268 min read

RAG implementation services: pricing & scope for enterprise SaaS cover image

LLM/RAG#rag implementation services#retrieval architecture

RAG implementation services: pricing & scope for enterprise SaaS

A technical breakdown of rag implementation services for enterprise SaaS: retrieval architecture, evals, citation integrity, SLAs, cost drivers, and a sprint-level scope plan.

Igor NepipenkoJun 10, 20268 min read

React native vs native app development for SaaS: practical decision guide cover image

Cross-Platform#react native vs native app development for saas#react native vs native

React native vs native app development for SaaS: practical decision guide

A technical, decision-focused comparison for CTOs weighing react native vs native app development for saas when APIs are shared but native UX is required. Includes risks, metrics,迁

Igor NepipenkoJun 8, 20268 min read

SaaS product flow audit: fixed-scope pricing for onboarding and redesign cover image

AI SaaS#saas product flow audit#onboarding friction

SaaS product flow audit: fixed-scope pricing for onboarding and redesign

Fixed-scope saas product flow audit packages to find onboarding friction, stabilize billing and LLM cost, and scope a validated first paid AI SaaS release with measurable KPIs.

Igor NepipenkoJun 5, 20267 min read

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