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Achievement: Pair ExtraordinaireAchievement: Pull Sharkx2Achievement: YOLO

Achievements

Achievement: Pair ExtraordinaireAchievement: Pull Sharkx2Achievement: YOLO

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abubakar-tq/README.md

Hi, I'm Abubakar 👋

Software engineer working across smart contracts, full-stack applications, and cloud infrastructure. I focus on testing depth, reliability, and clean engineering.

🧠 What I Work On

  • Smart contracts & protocol engineering — wallets, DeFi primitives, cross-chain messaging
  • Full-stack development — TypeScript, React, Next.js, Node.js, REST APIs
  • DevOps & cloud infrastructure — Docker, Kubernetes, AWS, Terraform, CI/CD pipelines
  • Testing & correctness — unit, integration, fuzz, and invariant testing

🚀 Selected Projects

  • TREZO Wallet — ERC-4337 smart contract wallet with a modular architecture, upgradeable instances (EIP-1167), and on-chain social recovery, integrated with a React Native mobile client.
  • DevOps Article Management System (team project) — Production-grade Node.js + PostgreSQL system with a 5-stage GitHub Actions CI/CD pipeline, Kubernetes on AWS EKS, Terraform IaC, and Prometheus + Grafana monitoring.
  • Decentralized Stablecoin Protocol — Overcollateralized stablecoin using Chainlink price feeds, with extensive unit, fuzz, and invariant testing to enforce solvency guarantees.
  • Wire — On-Chain Fantasy Cricket dApp — Solidity contracts, a Ponder indexer, and a Next.js frontend deployed end-to-end.
  • Cross-Chain Rebase Token (CCIP) — Interest-accruing ERC20 with a custom Chainlink CCIP TokenPool preserving per-user state across chains.

🧪 Engineering Philosophy

I build systems that hold up under stress — designing with explicit invariants, writing tests that attempt to break my own assumptions, and preferring simple, auditable designs over clever abstractions.

🛠️ Tech Stack

  • Languages: TypeScript, JavaScript, Python, Solidity, Java, C
  • Frontend: React, Next.js, React Native, Expo
  • Backend: Node.js, Express, REST APIs, PostgreSQL, MongoDB, Supabase
  • DevOps & Cloud: Docker, Kubernetes, AWS (EKS, RDS, VPC), Terraform, GitHub Actions, Ansible, Prometheus, Grafana
  • Blockchain: Solidity, EVM, ERC-20/721/4337, OpenZeppelin, Foundry, Chainlink, viem, wagmi

📫 Get in Touch

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  1. Trezo Trezo Public

    ERC-4337 smart contract wallet focused on UX and security: passkeys, account abstraction, modular architecture, and on-chain social recovery.

    TypeScript

  2. DEFI-StableCoin DEFI-StableCoin Public

    An overcollateralized stablecoin using Chainlink price oracles. Includes Foundry-based unit, fuzz, and invariant test suites, mocks for local runs, and deployment scripts for local and Sepolia netw…

    Solidity

  3. constant-product-amm constant-product-amm Public

    Constant-product AMM (x·y=k) inspired by Uniswap V2, implementing factory, pair, and router contracts with invariant-based fuzz testing using Foundry.

    Solidity

  4. Raffle Raffle Public

    Full-stack Chainlink VRF v2.5 raffle dApp with multi-raffle factory, Automation-triggered draws, and deterministic Foundry tests.

    JavaScript 1 1

  5. Cross-Chain-Rebase-Token-CCIP Cross-Chain-Rebase-Token-CCIP Public

    Interest-accruing rebase ERC20 minted by an ETH vault, with a custom Chainlink CCIP TokenPool that preserves each user’s interest rate during cross-chain bridging.

    Solidity

  6. MintLab MintLab Public

    A full-stack custom NFT minter: ERC‑721 contract built with Foundry + a Next.js UI that uploads metadata to IPFS (Pinata) and mints on chain.

    JavaScript 1