Олександр

OLEKSANDR HOIAN
AI ENGINEER | AGENT SYSTEMS, VOICE AI & AUTOMATION
Ivano-Frankivsk, Ukraine | Remote | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

PROFESSIONAL SUMMARY
AI Engineer with 2 years of hands-on experience building LLM agents, voice and telephony AI, RAG/knowledge systems, B2B
SaaS, and CRM/ERP automation from discovery and architecture to production. Combine hands-on Python/TypeScript engineering
with technical leadership, focusing on reliable integrations, evaluation, observability, and deployment.
TECHNICAL SKILLS
OpenAI API, Anthropic Claude API, LangChain / LangChain.js, tool and function calling, structured outputs, multi-agent
LLM / Agents
workflows, prompt engineering, evals, guardrails, human-in-the-loop
RAG / Search RAG, knowledge bases, chunking, embeddings, semantic retrieval, pgvector, Qdrant, ChromaDB, Pinecone
ElevenLabs Conversational AI / TTS, OpenAI Realtime API, Whisper, Soniox, LiveKit, WebRTC, VAD, telephony APIs, call
Voice / Telephony
audio ingestion, STT pipelines
Python, FastAPI, Pydantic, SQLAlchemy, Alembic, asyncpg, TypeScript, Node.js, Fastify, Drizzle ORM, PostgreSQL, Redis,
Backend / Data
BullMQ
REST, WebSockets, webhooks, OAuth/JWT, n8n, Telegram/Telethon, Google APIs, CRM APIs: Pipedrive, Zoho, KeyCRM;
Integrations / B2B
Resend/SMTP
Docker / Compose, S3-compatible storage, Sentry, Pino/logging, multi-tenancy, RBAC, rate limiting, Vitest, Testcontainers,
Infra / Quality
Playwright

EXPERIENCE
Artificial Intelligence Engineer | Solovei · Self-employed Aug 2026 - Present
• Develop AI call-analysis workflows that ingest phone recordings, transcribe conversations, score calls against custom criteria, and produce
structured insights and recommendations.
• Integrate telephony APIs and call-data pipelines with STT/LLM processing, backend services, analytics, and business automation
workflows.
AI Team Lead / AI Engineer | Ettoryx · Self-employed Aug 2026 - Present
• Lead delivery of B2B products and custom AI systems across CRM/ERP, agent workflows, knowledge automation, and external
integrations.
• Own technical discovery, architecture, roadmap, task delegation, code review, and delivery for a small team while implementing critical
Python/TypeScript services.
• Design production backends with FastAPI/Node.js, PostgreSQL, Redis, vector search, n8n, third-party APIs, Docker, and observability
tooling.
Artificial Intelligence Engineer | NooLogic · Full-time Aug 2025 - Jun 2026
• Delivered voice AI, agent, and RAG products for employee training, sales enablement, and internal knowledge workflows from discovery
through production.
• Built conversational flows with ElevenLabs, OpenAI, and Soniox; implemented knowledge-base grounding, tool calling, answer assessment,
validation, fallbacks, and observability.
• Shipped TypeScript/Fastify and React/Vite services with PostgreSQL, Redis/BullMQ, Google Drive/Forms, S3-compatible storage, Resend,
Sentry, and third-party APIs.
Project Manager | IT Academy RPG · Full-time Mar 2024 - Sep 2024
• Managed Agile/Scrum delivery, MVP scope, requirements, priorities, sprint planning, team communication, and process documentation.
SELECTED PROJECTS
• B2B Lead Intelligence & CRM Automation - Built lead discovery, enrichment, website/email research, fit scoring, CRM sync, and
personalized outreach using Google Maps/Places, Apollo, Tavily, Playwright, Pipedrive, SMTP, Qdrant, and pgvector.
• HR & Knowledge RAG Agents - Created Telegram assistants for company/vacancy Q&A, CV ingestion and parsing, candidate screening,
and internal knowledge with OpenAI, LangChain, ChromaDB, PostgreSQL, Redis, Google Sheets, PDF/DOCX pipelines, and Docker.

EDUCATION
BSc in Information Systems & Technologies - Vasyl Stefanyk Precarpathian National University (completed) | Master's applicant (2026)

LANGUAGES
Ukrainian: Native | English: B1

Oleksandr Hoian | AI Engineer