Fullstack Developer & Designer

Hi! I'm Pavel Devyatov.

I design and build useful tools — macOS and iPhone apps, AI products, and fast web interfaces.

  • 16+ years
  • Swift & TypeScript
  • Warsaw, PL

Experience

16+ years in commercial development. Verified experience at companies across Europe and the US. Enterprise, banking software, blockchain platforms, cryptocurrency exchanges, and startups.

2026 — nowAI Development Tech Lead
  • AI-powered products and agent systems
  • LLM integrations — ChatGPT, Claude, Llama, Gemini
  • Full-stack AI architecture with Next.js & TypeScript
2024 — 2026Frontend Team Lead
  • Web3 applications for blockchain platforms
  • AI-powered fintech tools — wrappers around ChatGPT, Claude, Llama, Gemini
  • Global-scale products with Next.js & TypeScript
2022 — 2024Head of Department
  • AI fintech web apps — RAG-based interfaces, chatbots, voice bots
  • Trading platforms, user management & payment processing systems
  • Team leadership and frontend architecture
2017 — 2022Software Engineer
  • 2 production cryptocurrency exchanges — real-time trading, order books, payments
  • Blockchain & Web3 apps — Solidity smart contracts, wallet integration
  • High-performance SSR frontends for financial products
Guest Lecturer at World TOP-300 university (2015 — 2019) — web development & digital marketing courses
2012 — 2017Web Developer
  • Full-stack websites — PHP, JavaScript, HTML/CSS
  • SEO optimization & digital advertising

Tech Stack

Swift and SwiftUI for macOS and iOS apps, TypeScript with React and Next.js on the web, Node.js on the server, and LLM integrations on top of both.

Frontend
JavaScript
TypeScript
React
Next.js
Three.js
HTML
CSS
Backend
JavaScript
TypeScript
Node.js
NestJS
Prisma
PostgreSQL
MongoDB
Desktop & Mobile
Swift
iOS
macOS
iPadOS
React Native
Android
Design
Figma
Sketch
UI/UX
Prototyping
Design Systems
AI
AI Wrappers
AI Voice
AI Music
AI Agents
AI Chatbots
AI Skills
MCP
Others
Web3
Solidity
Smart Contracts
PHP
MySQL