Evgeniy Vorontsov - Lead Full Stack & Blockchain Engineer

About Me

Lead Full‑stack Engineer with 6+ years of commercial experience building web apps, backend services, admin panels, smart contracts (blockchain products).
I design system architectures from zero to production and enjoy solving complex technical challenges.
I integrate AI into products (chat, analysis, speech, voice, video generation).
I'm an active bug bounty hunter with payouts from OpenAI and Yandex.
Recent projects: pic2reel.com (AI video ads generation, 1000 users), crypto trading bots, voice assistant (smart speaker replacement).

Education

Master of Engineering, Rocket Science
Bauman Moscow State Technical University
Moscow, Russia • 2015-2021

Key Skills

Backend: Python (FastAPI, asyncio), Node.js, PHP (Laravel/Yii2), REST, WebSockets, queues, Redis, rate limiting

Frontend: React, Next.js, TypeScript, Framework7, Tailwind, Bootstrap, Vite, Chart.js/Recharts/ECharts, Figma, WordPress, Lottie animations

Web3: Solidity, Hardhat, Foundry, viem, ethers.js, wagmi, WalletConnect, EVM, BSC, Solana, TON, DEX routing, event indexing

Data/DB: PostgreSQL, MySQL, Redis, MongoDB, TimescaleDB

DevOps: Docker, GitHub Actions CI/CD, Nginx, Apache, Linux, Bash, Git, Kubernetes, Yandex Cloud, AWS

AI Integration: LLM APIs, voice/image/video generation, speech recognition, prompt engineering, CLI workflows, MCP servers, agentic tools

Experience

Lead Full Stack Engineer @ NDA (Web3 Gaming Startup) | Oct 2024 - Present • Remote

Designed system architecture from scratch; led team of 2 developers with task planning and code reviews.
CEX trading bots (Binance, Bybit, OKX and others): websockets market data parsing, indicator calculation, order execution, async I/O, batching, scaled multi‑instance.
FastAPI backend with async PostgreSQL, queues, anti‑fraud checks, WebSockets, role‑based access.
Next.js website, React Telegram mini‑app (game), admin panels for management and analytics.
BSC smart contracts for token/staking/claim/swap; blockchain events monitoring; Wallet connect; DEX routing via PancakeSwap.
Advanced monitoring with Prometheus + Grafana.

Full Stack Developer @ Concise Studio | Aug 2023 - Sep 2024 • Montreal (Remote)

Custom CRMs for sales and support: PHP Yii2 + React/Vanilla JS + WebSocket chats + Notifications (Firebase FCM); SQL optimization and Redis caching.
WordPress sites: custom themes/plugins, performance and security optimisation.
DAO platform (Solana) with on‑chain voting (@solana/web3.js, Anchor).

Full Stack Developer @ Freelance | Jun 2023 - Sep 2023 • Thailand (Remote)

Photo printing platform with custom album builder (PHP + JS).
Augmented Reality “photo‑to‑video” feature that animates printed photos.
QR-based bank transfer payments (SBP).
Automation scripts (Python and spreadsheet API).

Developer & 3D Specialist @ AR/VR Solutions Studio | Oct 2019 - Jun 2023 • Moscow, Russia

Interactive AR/VR apps in Unity (C#) and web‑based AR/WebGL.
Backend services and APIs in Python/JS.
3D models and animations using 3ds Max, Blender, and Three.js.

Mechanical Engineer @ SAMSON Controls Ltd | Sep 2019 - Jul 2021 • Moscow, Russia

SolidWorks: 3D models/assemblies, strength calculations, technical documentation; DIN to GOST adaptation.