Arsenii Viaznikov

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Expertise in Full Cycle Development: from configuring bare-metal Linux servers and building High-Load async backends to implementing complex, reactive React interfaces, 3D graphics, and End-to-End Encryption architectures.

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Technical Skills

Backend

Core & Web
Python 3.10+ FastAPI WebSockets Asyncio
Data & Crypto
PostgreSQL / SQLite SQLAlchemy (Async) E2EE (RSA/AES) Argon2 / JWT
Media & Bots
FFmpeg (GPU/VAAPI) Disnake Streaming Data

Frontend

Frameworks & State
React TanStack Query Vue 3 React Router
Graphics & Media
GSAP Three.js (WebGL) HLS.js Canvas API
Browser APIs
Web Crypto API IndexedDB IntersectionObserver

DevOps & Arch

Infrastructure
Linux (Debian) Docker & Compose Traefik
Web Servers
Nginx (X-Accel, Edge) Uvicorn / Hypercorn
System & Security
HW Acceleration (DRI) WAF / Anti-scanner Bash / Systemd

Professional Experience

Luxury Social E-commerce Platform (Full Stack)

Stack: React, FastAPI, WebSockets, SQLite/PostgreSQL, FFmpeg, GSAP, Three.js

    Secure Messenger Development (Full Stack)

    Stack: Python (Quart), Vanilla JS, Web Crypto API

      Music Ecosystem and Admin Bots

      Stack: Python (Disnake, Aiosqlite), FFmpeg, Youtube-DLP

        API Integration: AI and Payment Systems

        Stack: Python, Aiohttp, Google Gemini API