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16 followers · 7 following

Achievements

Achievement: Pull Sharkx2Achievement: Pair Extraordinairex2Achievement: Public Sponsor

Achievements

Achievement: Pull Sharkx2Achievement: Pair Extraordinairex2Achievement: Public Sponsor

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oxy-Op/README.md

Kaoru — Backend & Solana Engineer

Rust / TypeScript · on-chain programs, indexers, transaction infrastructure, and the high-throughput backends around them.

I build the systems under on-chain apps. TypeScript-first, strong Rust for the parts where performance decides the outcome. Six years building; started in frontend, went deep into backend and Solana infrastructure. I ship production systems solo and use AI tooling heavily while owning the architecture and correctness myself.

Currently: building data infrastructure for Solana · learning perp DEX internals · open to backend/protocol contract work.

Recent work

  • Anigacha — native Pinocchio on-chain NFT lottery: Switchboard VRF, Metaplex Core custody, zero-copy chunked accounts, grind-resistant refunds. Deployed on devnet.

Focus

Solana programs (Anchor + native Pinocchio) · indexers & gRPC streaming · transaction infrastructure · DeFi (lending, staking, perps) · program security auditing

Stack

Core: Rust · TypeScript / Node.js · Python
Solana: Anchor · Pinocchio · web3.js · Solana Kit · Metaplex Core · SPL · Switchboard
Backend: PostgreSQL · Redis · ClickHouse · gRPC · GraphQL · REST
Frontend: React · Next.js · TanStack Query · Zustand

📫 Telegram: @OxKaoru · 🌐 kaoru7.com

Pinned Loading

  1. anigacha anigacha Public

    Native Solana NFT lottery built with Pinocchio, Switchboard randomness, VRF, Metaplex Core custody, zero-copy account layouts, and indexer-friendly pinocchio self-CPI events.

    TypeScript

  2. pinocchio-to-idl pinocchio-to-idl Public

    Reproducible IDL generation for native Pinocchio Solana programs. Annotate Rust source once, emit Codama JSON plus Anchor/Solscan-compatible IDLs, and fail CI when generated interfaces drift.

    Rust

  3. solabs solabs Public

    A modern implementation of account abstraction on Solana, featuring social login integration and seamless payment processing. This project demonstrates how to create non-custodial wallets with Web2…

    TypeScript

  4. kaoru-card-bot kaoru-card-bot Public

    Open-source Discord anime card collecting bot framework with summon, trading, fusion, economy systems, and a Next.js admin panel.

    TypeScript