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Yaroslav Kostyk
SKILLS

AI and agents

AI Automation Developer / LLM Agents LLM AI agents Claude API

OpenAI API Claude Code
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Ústí nad Orlicí, Czechia
yaroslavkostyk.space [open contact info](look above in the "contact info" section) Agent skills Subagents MCP

Tool use Prompt engineering
Available immediately Full-time Remote

Code

Python JavaScript HTML
15 76 5 CSS
AI agents I built, users of my published Anthropic Academy
running every day Chrome extension certificates, 2026
Automation
Workflow automation
PROFILE
API integrations Telegram bots
Self-taught developer focused on AI automation. I design and run a system of 15 AI Telethon Playwright
agents on Claude that handles email, tasks, code, research, documents and scheduled
Chrome extensions Webhooks
jobs every day. Since 09/2026 I also automate document work for a recruitment agency.

Infrastructure
WORK EXPERIENCE Linux VPS cron Git ffmpeg

Documents and Process Automation part-time 09/2026 - now ComfyUI
Recruitment agency, Ukraine - Netherlands, remote
Integrations
Built an AI agent that prepares contracts, acts and documents for job candidates from
templates (PDF, client cards): 100+ documents since 09/2026 (contracts, acts, Notion API Gmail API
confirmation files), about 2-3 minutes per document Telegram API Discord API

Electromechanic 11/2024 - 01/2026
Schaltag, Czechia
C E R T I F I C AT E S
Assembly and check of electromechanical units by technical documentation, quality
standards and deadlines A Anthropic Academy, 2026

Building with the Claude API
PROJECTS
Claude Code in Action

Multi-agent AI system 2026 - now Introduction to Model Context
Own project, in daily use on a Linux VPS Protocol

15 agents in Telegram, each with its own role: coordinator, coder, web, video, sales, Introduction to agent skills
research, finance, documents Introduction to subagents
Shared rules, memory with semantic search, scheduled jobs, test cases for agent
answers, remote control of a Windows PC
E D U C AT I O N
Stack: OpenClaw, Claude Code, Python, MCP tools, Notion, Gmail and Telegram APIs
Secondary education
Subtitle Translator - Chrome extension 2026 Lyceum No. 98, Ukraine
Own product on Chrome Web Store, 76 users, 2 articles on Habr
HTML, CSS, JavaScript
Hover a word in video subtitles to see its translation with on-device AI; flashcards and self-taught
export to Anki

Polymarket trading agent 2026 - now
L A N G U AG E S
Opens positions on its own and keeps the trade journal in Notion; moved from paper
Ukrainian native
trading to a live deposit
Russian native
Video generation pipeline 2026
English B2
Script by scenes, voice-over with timing, an image per scene, MP4 with music; ComfyUI
(Flux, LTX-Video) on a local GPU via API Czech B1+

Discord trading community 2025
Co-founder
Built the tech side: own bot (tickets, roles, leaderboard), news parser with filtering, Portfolio
branding Projects and
certificates
yaroslavkostyk.space