Portfolio

Client's task

Build a Chrome extension that replaces a permanently open game tab — all important monitoring right in the browser, running in the background.

What was done

• Real-time Discord voice channel monitoring
• Game shift and event schedule tracking
• Quick access to character information
• Smart push notifications without an open tab
• Published on the official Google Chrome Web Store
• Free, lightweight, 5.0 ⭐ rating

Tech stack

JavaScript · Chrome Extensions API · Manifest V3 · WebSockets · Push Notifications

Role: Chrome Extension development (JS, Manifest V3)

Client's task

Build the full infrastructure from scratch: landing page, real-time monitoring system, admin panel, streamer tracker, video guides, Telegram+Discord bot, and a Chrome extension.

What was done

• Landing page: multilingual RU/UK/EN, social proof, step-by-step guide, Discord integration
• Real-time monitoring: Discord OAuth, voice channels, 13 characters, 125+ shifts, coins/hour, updates every 30 sec
• Event logs: 271 entries, filters, CSV/JSON/PDF export
• Character admin panel: status, efficiency, bulk operations
• Streamer tracker: 16 Twitch channels via Twitch API, live status
• 14 video guides: YouTube API, categories, search, 3.5 hours of content
• Telegram+Discord bot: onboarding, manager dashboard, Excel export
• Chrome Extension: published in the Chrome Web Store, 5.0 ⭐ rating

Tech stack

Python/Flask · Discord API · Twitch API · YouTube API · WebSockets · SQLite · Chrome Extensions API · python-telegram-bot
Multilingual via JS without backend

Client's task

Unite Ukrainian radio amateurs on a single resource, provide practical tools and a place to communicate.

What was done

• 16+ built-in tools: antenna calculator, Morse code trainer, SDR control, satellite tracker
• Auth system, user profiles, posts, private messages
• Live air listening, DMR Hoseline
• QSL card generator, callsign examiner
• News, announcements, contests, Telegram integration
• PWA (installable app), multilingual uk/ru/en

Tech stack

Python / Flask · SQLite/PostgreSQL · JS · WebP · PWA

Role: Co-founder & developer (Frontend + Backend)

Client's task

Create a representative website for an offline business that explains all services and generates phone calls.

What was done

• Service catalogue structure and clear navigation
• Descriptions of 20+ glass product directions
• Contacts, working hours, quick contact
• Clean design for trust and conversion

Tech stack

Canva Sites — fast launch without backend

Role: Design & development (Canva Sites)

Client's task

Urgently launch an online presence for a new restaurant: show the menu, prices, concept. Client — a Ukrainian family that opened a business in the Czech Republic after fleeing the war.

What was done

• Full menu with prices (CZK), weight and ingredients
• Brand concept: Japanese cuisine, authentic ingredients
• Multilingual audience (UA / CZ customers)
• Launched in the shortest time — business started generating revenue immediately

Tech stack

Canva Sites — 1-day launch

Role: Design & development (Canva Sites)

Client's task

Build a bot that collects applications, manages a queue, syncs Telegram and Discord, and streamlines manager workflows.

What was done

• 15-step questionnaire with progress bar and validation
• Manager dashboard: stats, list, status changes, Excel export (openpyxl)
• Dual integration: Telegram + Discord simultaneously (two bots in one process, threading)
• SQLite DB with migrations, duplicate protection, FIFO application queue
• Auto reminders for applications older than 24 hours (job_queue)
• Discord Rich Embeds with logo on new applications
• Candidate notifications with acceptance/rejection instructions

Tech stack

Python · python-telegram-bot · discord.py · SQLite · openpyxl · threading · asyncio · dotenv

Role: End-to-end development (architecture, DB, logic, deployment)

Client's task

Build an online game from scratch: host creates a session, up to 9 players join via a code, the game runs in real time.

What was done

• Two roles: Host (manages rounds) and Player (up to 9 participants)
• Session system with unique entry code
• Real multiplayer — turns passed between players instantly
• Multiple rounds + final round + super game
• Host panel: reveal letter, next turn, statistics
• Registration/auth system linked to the QSO Ukraine ecosystem

Tech stack

Python / Flask · WebSockets · SQLite · JavaScript · Real-time multiplayer

Role: Full development (Frontend + Backend + WebSockets)

Client's task

Build a closed platform for a US location network: Discord/Google auth, staff management, analytics, payroll calculation.

What was done

• Location tracker: real-time store status (4 statuses, timeline, activity charts, alerts, push notifications)
• Visitor stats: conversion, receipts, store-level analytics, charts by day/week/month
• Event & incident monitoring: thefts (critical), photo/place/time, staff bonuses ($100/$5), Discord integration
• Video search: operator tasks, priorities (urgent/high/normal), media gallery, completion control
• Shift statistics: salaries, role rates, active shifts, CSV/Excel/PDF export, productivity and payroll reports
• Discord OAuth + Google OAuth — whitelisted users only
• WebSocket + polling, dark/light theme, RU/UK/EN, auto-refresh every 30 sec

Tech stack

Python / Flask · Discord OAuth · Google OAuth · SQLite · Real-time · WebSockets

Role: Full development (Full-Stack, architecture, deployment)