CV

Principal Engineer in Georgia. I build money systems that stay correct, and I help teams work with AI agents safely.

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Work

  1. Jan 2023 – now

    Now Principal Engineer, Bitnet

    a crypto exchange licensed by the National Bank of Georgia

    1. 2026 – now The new core platform (Go): I lead its architecture.
      • Built the new identity checks, the audit history, and the rule that every customer action declares how a repeat is handled.
      • Built the payment-provider integration: bank-app deposits, card payments and recurring card charges.
      • Wrote most of the architecture decision records, and most of the team's AI coding set-up.
    2. 2024 – 2025 The backend (TypeScript, NestJS, GraphQL), and pages of the staff admin panel.
    3. 2023 The customer web app (React).

  2. 2024 – 2025

    Backend Lead, Chama

    a restaurant platform with live dynamic pricing

    • Designed and wrote the backend: NestJS, GraphQL, PostgreSQL, Redis.

My own products

  1. 2025 – now

    Founder, PlayTime

    a booking marketplace for sports venues in Tbilisi

  2. 2026 – now

    Founder, WasteAway

    door-to-door waste pickup for apartment buildings in Tbilisi (pre-launch)

  3. 2026

    Founder, UniHub

    a student portal for Agrarian University students (live, on hold since April 2026)

Open source

Arcana (skills for Claude Code and Codex), acctswap (a Rust tool with a TLA+ model and Kani proofs), OrgClone and UserClone.

Stack

Go, TypeScript, NestJS, GraphQL, PostgreSQL, Redis, React, Next.js, Astro, Cloudflare.

Email: hello@sabajanelidze.com