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Iurii Rogulia, senior full-stack software engineer. Professionally building software since 2001.

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TMI Iurii Rogulia
VAT ID: FI29845875
DUNS: 368664211
Lappeenranta, Finland 🇫🇮

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Iurii Uses: #Upstash Vector

1 project · 2 articles

Upstash Vector

Upstash Vector is a serverless vector database used for semantic search and RAG pipelines. It stores text embeddings and retrieves the most similar documents for AI-powered features.

Projects

Pikkuna — i18n RAG AI System
Pikkuna — i18n RAG AI System
December 15, 2025
Pikkuna — i18n RAG AI System

RAG system on OpenAI and Upstash Vector with 30 language support. Includes streaming chatbot, hybrid search (semantic + keyword), AI ticket classifier, and

Stack

Next.jsReactTypeScript

Libraries

Vercel AI SDKnext-intlassistant-uiZod

Databases

Upstash VectorRedis

Services

OpenAIUpstashVercel

Topics

RAGAI Chatboti18nE-commerceCTO

Articles

How to Add AI to an Existing Product Without Rewriting It
May 4, 2026· 11 min
How to Add AI to an Existing Product Without Rewriting It

Add AI to an existing product without a rebuild. Three integration patterns, how to pick the right one, and what production-ready AI actually demands.

Stack

Next.jsTypeScript

Libraries

Vercel AI SDK

Databases

PostgreSQLRedisUpstash Vector

Services

OpenAI

Topics

RAGArchitectureSaaSE-commerce
i18n RAG Chatbot Architecture (25 Languages, Production)
October 27, 2025· 9 min
i18n RAG Chatbot Architecture (25 Languages, Production)

RAG chatbot for e-commerce: resolve 70% of support queries across 25 languages — ingestion pipeline, hybrid search, confidence thresholds, and streaming UI.

Stack

Next.jsTypeScript

Libraries

Vercel AI SDK

Databases

Upstash Vector

Services

OpenAIUpstashZoho

Topics

RAGAI ChatbotE-commercei18n
Iurii RoguliaAvailable

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