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Achievements

Achievement: YOLOAchievement: Pull Sharkx2

Achievements

Achievement: YOLOAchievement: Pull Sharkx2

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Alex-Kostov/README.md

Hi, I'm Alex 👋

Full-stack TypeScript developer in Sofia, Bulgaria 🇧🇬 — 6+ years building products end to end: typed, maintainable, and production-ready.

Portfolio LinkedIn Email

  • 🏦 Currently at 90K Capital, building React/Next.js UIs for high-frequency trading platforms
  • 📊 I build data-dense dashboards, enterprise AG Grid tables, and Node/Express API gateways
  • 🤖 Committed Claude enthusiast — I ship LLM-powered apps and automation into real products, not demos
  • 🌐 Background across fintech, crypto, and iGaming
  • 🌱 Always sharpening the craft: typed code, clean architecture, and AI-assisted workflows

🧰 Tech I work with

Frontend React Next.js TypeScript React Native Tailwind CSS Redux

Backend & Data Node.js Express PostgreSQL MySQL MongoDB

Tooling & Cloud AWS Docker Vercel Playwright

📈 GitHub stats

Alex's GitHub stats Top languages

📫 Reach me at alex89773@gmail.com · 🌐 alexkostov.dev

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  1. wealthlens wealthlens Public

    A personal investment portfolio tracker for ETFs, individual stocks, options, gold, and multi-currency cash

    TypeScript

  2. portfolio portfolio Public

    Personal portfolio site - alexkostov.dev

    TypeScript