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Achievement: YOLOAchievement: Pull Sharkx2Achievement: Arctic Code Vault Contributor

Achievements

Achievement: YOLOAchievement: Pull Sharkx2Achievement: Arctic Code Vault Contributor

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ChiamakaUI/README.md

Chiamaka Ezemba

Backend and fullstack engineer. Currently founding engineer at VidBloq, building SDK infrastructure for blockchain-based monetization inside live video — tipping, paid access, prediction markets, and contests, settled in USDC on Solana. VidBloq is multi-tenant: each tenant gets the same monetization primitives configured to their product.

Stack

Backend: Node.js, TypeScript, PostgreSQL (PgTyped — typed .sql files, not an ORM), Express, WebSockets
Frontend: React, Next.js 14, Tailwind, shadcn/ui
Blockchain: Solana, Anchor, Rust Infra: Railway, Vercel, LiveKit

Projects

defi-primitive — DeFi primitives in Rust: constant product AMM, Uniswap V3-style concentrated liquidity with tick crossing, and a price-time priority order book. Type-safe token pairs enforced at compile time via phantom types. Invariants verified with proptest.

Ledgerly — Backend for a paid call-booking platform. Every booking creates a USDC escrow on Solana — locked at booking, released on call completion, refundable on host no-show. PgTyped for typed SQL, no ORM, no controllers layer.

SquadXI — Fantasy football platform with on-chain prize distribution. Single Anchor program manages the full contest lifecycle. Chose on-chain settlement to eliminate platform trust assumptions on prize custody.

Currently

Open to remote backend or fullstack roles. Strongest in event-driven systems, real-time data pipelines, and on-chain financial transactions.

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  1. defi-primitive defi-primitive Public

    Uniswap V2/V3-style DeFi primitives in Rust — constant product AMM, concentrated liquidity with tick crossing, and a price-time priority order book. No unsafe code.

    Rust

  2. squadxi-escrow squadxi-escrow Public

    Anchor program for USDC fantasy football contests — entry fee escrow, on-chain settlement validation, and a spending-limited agent vault. 22 tests with anchor-bankrun, deployed to devnet.

    Rust

  3. ledgerly-server ledgerly-server Public

    Backend for a paid call-booking platform — USDC escrow on Solana, group sessions, gift bookings, Flipcash token discounts. TypeScript, PostgreSQL, PgTyped.

    TypeScript

  4. squadxi-server squadxi-server Public

    Backend for a USDC fantasy football platform — contest lifecycle, fantasy scoring engine, AI squad assistant, and an autonomous agent that enters contests on-chain within user-defined spending limi…

    TypeScript