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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: #AI Chatbot

1 project · 1 article

AI chatbots are conversational interfaces powered by language models. They handle customer support, lead qualification, and internal knowledge retrieval – responding to user messages in natural language.

Projects

pikkuna.fi – i18n RAG AI System
pikkuna.fi – i18n RAG AI System
December 15, 2025
pikkuna.fi – i18n RAG AI System

RAG system on OpenAI and Upstash Vector in 30 languages, with a streaming chatbot and hybrid search (semantic + keyword).

Stack

Next.jsReactTypeScript

Libraries

Vercel AI SDKnext-intlassistant-uiZod

Databases

Upstash VectorRedis

Services

OpenAIUpstashVercel

Topics

RAGAI Chatboti18nE-commerceCTO

Articles

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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Whether it’s a new product, an integration, or scaling an existing system – let’s talk about how I can help.

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