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JuanMarchetto/README.md

Juan Patricio Marchetto — Fractional CTO

Stablecoin & Agent Commerce Infrastructure · Rust / Solana / AI-native

12+ years shipping production systems. 2× CTO & Co-founder in crypto/fintech. Now helping seed → Series A teams build stablecoin rails, Solana programs, and AI agent systems — without the overhead of a full-time CTO.

📅 Currently accepting 1-2 new engagements for Q2 2026Book an intro call · LinkedIn


What I've built

Co-founder & CTO — Oro.finance (preseed, $1.5M raised) Architected and built from scratch: gold-backed stablecoin + liquid staking protocol on Solana. Product live in production.

Co-founder & CTO — Bondum Mobile-first crypto loyalty infrastructure on Solana. Bootstrapped. First enterprise client onboarded 8,000 users.

Founding-level engineer — Brazilian stablecoin startup (Series A) Leading Rust + Solana infrastructure in production. Settlement rails, compliance tooling, AI-powered ops automation.


How I help

  • Stablecoin & payment rails (PIX, USDC, cross-border settlement)
  • Solana programs in Rust (Anchor + Pinocchio) at production quality
  • AI agent orchestration for regulated fintech (MCP, Claude Code, Vercel AI SDK)
  • Engineering hiring, architecture review, technical due diligence

Engagement

  • 15–20 hrs/week retainer, 3-month minimum
  • Trial: 2-week sprint ($10K) with concrete deliverable
  • Cap: 2 active clients
  • Billing via Delaware LLC (USD wire, ACH, USDC)

Recent technical work

  • noricum — C-to-Rust migration CLI with LLM-powered differential testing (38K LOC Rust, 7 crates, 435+ tests)
  • agent-skills — 25+ skills for AI coding assistants
  • truss — Fast GitHub Actions workflow validator in Rust
  • AIDEEN (in progress) — Open-source AI inference/training engine in Rust. Deep Equilibrium + Mamba-style memory. Runs on consumer GPUs via WebGPU. 35K LOC Rust, 25 WGSL compute shaders.

Background

Argentine national, Italian citizen. Bilingual native English / Spanish. Based in Buenos Aires, working with US/EU/LATAM clients. Arctic Code Vault Contributor.

DMs open on X/Twitter.

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  1. bondum bondum Public

    Mobile-first loyalty rewards platform on Solana -- scan products, earn tokens, swap via Jupiter, redeem rewards

    TypeScript 3

  2. noricum noricum Public

    C-to-Rust migration CLI — LLM agents translate C to idiomatic, safe Rust (0 unsafe blocks) with byte-exact differential testing

    Rust

  3. bondum-launchpad bondum-launchpad Public

    Blockchain loyalty platform — create and manage on-chain loyalty tokens on Solana

    TypeScript

  4. agent-skills agent-skills Public

    25+ skills for AI coding assistants — multi-agent panels, evaluation pipelines, testing, browser automation, and more

    Shell 5

  5. truss truss Public

    Fast GitHub Actions workflow validator written in Rust

    Rust

  6. puente puente Public

    Local cross-chain testing for LayerZero V2 OFT bridges involving Solana

    Rust