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Achievements

Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2

Achievements

Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2

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0xArayy/README.md

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Terminal GitHub Stats

Profile

Senior Blockchain Backend Engineer with 7+ years in software engineering, including 5+ years building production blockchain and distributed systems. I work across Solidity smart contracts, Go and TypeScript backend services, transaction infrastructure, indexers, and high-load event-driven systems.

Tech Stack

tech stack icons

  • Blockchain: Solidity, Ethereum, EVM, Layer 2, cross-chain systems, upgradeable contracts
  • Smart Contract Tooling: Foundry, Hardhat, ethers.js, viem, web3.js, OpenZeppelin, Slither, Mythril
  • Backend: Go, TypeScript, Node.js, REST APIs, WebSockets, GraphQL, microservices, event-driven architecture
  • Data & Messaging: PostgreSQL, MongoDB, Redis, Kafka, RabbitMQ, NATS, JetStream, The Graph
  • Infrastructure: AWS, Docker, Kubernetes, Terraform, CI/CD, Geth, Erigon, JSON-RPC, Alchemy, Infura, QuickNode
  • Observability: Prometheus, Grafana, OpenTelemetry, load and soak testing
  • Product Integration: React, Next.js, IPFS, wallets, signing, transaction state management

Selected Impact

  • Architected Go and TypeScript blockchain services processing 10M+ on-chain events per day with PostgreSQL, Redis, and Kafka.
  • Built transaction infrastructure for simulation, nonce management, gas estimation, signing, broadcasting, confirmations, retries, and replacement transactions.
  • Developed production indexers for blocks, transactions, logs, token transfers, and contract events, including historical backfills and chain reorganization handling.
  • Delivered and upgraded Solidity systems across Ethereum, Base, and other EVM networks using Foundry, Hardhat, multisig-controlled releases, and on-chain verification.
  • Strengthened smart contract security with fuzz, fork, integration, and upgrade testing, supported by Slither, Mythril, coverage analysis, and external audits.
  • Built and deployed an Avalanche L1 (CX Chain) with validator and node infrastructure, plus cross-chain interoperability for contracts and applications.
  • Improved distributed payment throughput from under 10 to nearly 1,000 payments/sec and worked on services handling 1M+ transactions per day.

Contact

Telegram   GitHub   Gmail   LinkedIn

Pinned Loading

  1. avax-impact avax-impact Public

    Safety-first transaction attribution tooling for Avalanche C-Chain and EVM-based Avalanche L1s, evaluated against the ERC-8021 draft.

    TypeScript 1

  2. AltitudeDP/cx-validators-registration AltitudeDP/cx-validators-registration Public

    JavaScript 1

  3. ava-labs/avalanche-faucet ava-labs/avalanche-faucet Public

    Avalanche Faucet for Fuji Network and Subnets.

    TypeScript 494 226

  4. ethereum-lists/chains ethereum-lists/chains Public

    provides metadata for chains

    Kotlin 9.8k 8.2k

  5. DefiLlama/chainlist DefiLlama/chainlist Public

    JavaScript 3.1k 3.7k

  6. grouptier grouptier Public

    TypeScript