Backend developer & freelancer
Open-source tools and client solutions — from web scraping frameworks to Telegram bots and AI integrations.
Specification-precision measurement tool for AI-driven software projects. Digitizes the 'fog' of a spec before AI agents turn it into architecture: deterministic requirement-traceability + constraint-density metrics, plus an LLM-instrument generation-spread metric, with a CI gate.
Per-project semantic search over Claude Code session history. Indexes JSONL transcripts into local SQLite; retrieves via bge-m3 embeddings (Ollama) with FTS5 BM25 fallback. No central store — every project's memory is isolated and append-only.
Open-source cross-agent plugin mesh connecting Claude Code, OpenCode, Gemini CLI, Codex, Cursor, and Kilo into a full 6×6 delegation network. One install gives any agent the ability to delegate tasks to the other five — parallel reviews, council mode, root-cause debugging.
AI-Powered Development combining Claude/Cursor automation and low-code tools (Supabase/Replit) to deliver scalable solutions in days. Launch MVPs, modernize legacy systems, and automate workflows faster.
Professional-grade custom Telegram bot powered by JavaScript/Go/Java for autoresponder efficiency and business automation. Supports lead generation, crypto bots, appointment booking, and e-commerce workflows.
Production-ready Telegram weather bot with real-time forecasts, air quality, smart locations, and multi-language support (UA/EN/DE/FR/ES). Enterprise features: custom alerts, Slack/Teams integration, RBAC, Prometheus/Grafana monitoring.
Go daemon fully automating a Ukrainian e-commerce CRM workflow: moves deals through the sales funnel based on Nova Poshta delivery statuses, generates fiscal receipts via Checkbox (ПРРО), and sends automated SMS via TurboSMS.
Professional Go-powered web scraping framework with anti-detection, captcha-solving, proxy rotation, and distributed processing. Outputs structured data in JSON, CSV, or database formats via customizable YAML/JSON configurations.
Enterprise-grade email validation CLI tool that verifies syntax, domain, and mailbox status for every address. Removes invalid, disposable, and role-based emails to reduce bounces and protect sender reputation.
All-in-one web page analysis tool for automated data extraction, transformation, comparison, and SEO analysis. Handles dynamic content with headless browsers and outputs to JSON, CSV, or custom formats.
CLI application written in Go for translating text files using Google Translate API. Supports both Basic and Advanced Google Translate APIs with various language options and Google Cloud Project integration.
Robust Twitter-like REST API built with Groovy, Spring Boot, and MongoDB. Implements core Twitter functionality: user registration, JWT authentication, posting, liking, commenting, and following users.
High-performance multi-language dictionary API server written in Go, designed to support approximately 60 million dictionary entries with robust API functionality, social features, and multi-database support.