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oleksandr-kushnir/README.md
Oleksandr Kushnir — AI Transformation & Delivery Lead · Senior Technical Project Manager · PMP

LinkedIn Email


🎯 What I Do

I work at the intersection of business processes, AI-enabled automation, knowledge management and delivery. My focus is not isolated prototypes, but translating modern AI into workflows that teams can actually use — governance-aware and defensible.

  • AI transformation & use-case structuring — from business need to prioritized, feasible use cases
  • Agentic AI workflows for document analysis, research and operational automation
  • RAG / Graph RAG & knowledge management to ground answers and reduce hallucination
  • Process automation combining deterministic (n8n) and agentic components
  • Requirements engineering & Business-IT translation — bridging stakeholders, product and dev
  • Governance, evaluation & human-in-the-loop for critical decision paths

🧰 Tech Stack

AI & Agentic

Python LangChain LangGraph Azure OpenAI Microsoft Copilot LangSmith

Automation & Integration

n8n FastAPI REST APIs Webhooks

Knowledge & Graph

PostgreSQL pgvector Apache AGE Neo4j Obsidian

Cloud & Infra

Azure Functions Docker Render Hetzner

Delivery & Certifications

PMP KI-Manager IHK IBM Data Science LangChain Academy


🚀 Featured Work

Production-grade FastAPI knowledge-graph RAG service: turns multimodal documents (PDFs, Office files, images, audio) into queryable knowledge graphs with dual-level vector + graph retrieval. Multi-workspace isolation, provider-agnostic routing and a REST API built for n8n workflows and AI agents.

Python · FastAPI · PostgreSQL · pgvector · Apache AGE · Docker · 230+ tests · MIT

Contributed a merged fix (PR #3052) to HKUDS/LightRAG: edge properties were silently dropped on upsert with Apache AGE. Replaced the fragile merge-and-set path with an atomic delete-then-create pattern, verified against Apache AGE 1.5.0 / PostgreSQL 16.

Python · PostgreSQL · Apache AGE · Graph storage

🛠️ More coming soon — 1–2 further public repositories are in progress, focused on agentic AI patterns and AI-enabled business processes.


🤝 Connect

LinkedIn Email

AI Transformation · Autonomous AI Agents · Generative AI · RAG / Graph RAG · Business Process Automation · Bridging Business, Stakeholders & Engineering

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  1. polygraphrag polygraphrag Public

    Multimodal, multi-project knowledge-graph RAG as a service. Ingest PDFs, Office docs, images & audio into a queryable graph (Postgres + pgvector + Apache AGE). Provider-agnostic, pure REST API for …

    Python 2

  2. HKUDS/LightRAG HKUDS/LightRAG Public

    [EMNLP2025] LightRAG: Simple and Fast Retrieval-Augmented Generation

    Python 39.2k 5.5k

  3. polygraphvault polygraphvault Public

    Drop a file into a folder, get a queryable knowledge graph. Self-hosted Nextcloud -> PolyGraphRAG sync layer for AI automators and agents.

    Python 2