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Achievement: Pull Sharkx2Achievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx2Achievement: Arctic Code Vault Contributor

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vscode1111/README.md

Konstantin Biskub

Smart Contract & CEX/DEX Engineer. 15+ years in software, 6 in Web3.

I build the systems that price, match, and settle trades on-chain: AMM/DEX mechanics, CLOB matching engines, Solidity contracts, and the indexers and signing services that keep them in sync with chain state.

Shipped:

  • Polymarket-style prediction market: splay-tree CLOB matching engine (Go) + conditional-token + UMA-oracle Solidity contracts.
  • Multi-DEX swap router and Yellowstone gRPC indexer in Rust (Orca, Raydium, Meteora, Phoenix, Jito MEV-optimized submission).
  • SQR token ecosystem end to end: ERC-20 (EIP-2612), staking, vesting, lockup, pro-rata, payment gateway. $4M secured at TGE for 50,000 users.
  • Signing service at 1,500 sig/sec authorizing on-chain transactions.
  • C++17 backtesting and strategy-optimization platform (~50K LOC, 57 indicators, multi-start gradient-descent optimizer).

Stack: Solidity · Go · TypeScript · Rust · Node.js · React · Hardhat · OpenZeppelin · PostgreSQL

Open to: Senior smart contract / protocol / backend Web3 roles. Remote or Dubai. Contact: [email protected] · LinkedIn: https://www.linkedin.com/in/konstantin-biskub

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  1. web3-signature-service web3-signature-service Public

    EIP-712 signing microservice at 1,500 sig/sec (Node.js, Moleculer, PostgreSQL)

    TypeScript

  2. web3-pro-rata-contract web3-pro-rata-contract Public

    Pro-rata token distribution with base/boost tiers and refunds (Solidity, Hardhat, OZ)

    TypeScript

  3. web3-claim-contract web3-claim-contract Public

    Merkle + EIP-712 dual-path token claim, externally audited (Solidity, Hardhat, OZ)

    TypeScript

  4. algo-platform algo-platform Public

    C++17 strategy backtester + optimizer with React dashboard (57 indicators, Crow REST)

    C++

  5. web3-indexer-service web3-indexer-service Public

    EVM on-chain event indexer at 100 TPS (Node.js, Moleculer, TypeORM, PostgreSQL)

    TypeScript

  6. argus argus Public

    VS Code AI coding assistant - streaming tool calls, diff viewer (TypeScript, NestJS)

    TypeScript