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Leon Minasian

Full-Stack Software Developer | Freelance | Based in Barcelona

I help businesses build robust and scalable software solutions — from backend architecture to intuitive frontend interfaces.

With experience at Yandex.Cloud, Grasp, and several startups, I specialize in:

  • Web applications (React, Svelte, TypeScript)
  • Backend systems (Node.js, Python, FastAPI, PostgreSQL, Go)
  • Scalable infrastructure (Docker, Kubernetes, GCP, Supabase, Fly.io)
  • Full test coverage (E2E and unit tests with Playwright, Jest, Vitest)

Registered as an individual entrepreneur in Spain and eligible for public sector contracts. Available for international freelance projects, contracts, and long-term cooperation.