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MilosMicun/README.md

Miloš Mirković

Solidity / Smart Contract Engineer

I design and build DeFi protocols with a focus on protocol architecture, accounting correctness, smart contract security, and adversarial testing.

My work covers the full development path: system design, implementation, unit and invariant testing, deployment tooling, public testnet deployment, source verification, and technical documentation.

Selected Protocol Work

Lending Protocol Engine — Live on Ethereum Sepolia

An upgradeable overcollateralized lending protocol built with Solidity and Foundry.

Highlights:

  • ERC-1967/UUPS lending architecture with atomic initialization
  • external 2-of-2 Safe controlling upgrade authorization
  • ERC-4626 collateral custody and rounding-aware accounting
  • indexed liquidity and debt accounting
  • Chainlink oracle validation and price normalization
  • health-factor enforcement and liquidation mechanics
  • unit, fuzz, invariant, integration, storage-layout, and upgrade testing
  • verified contracts and representative public Sepolia lending flow

Repository · Live proxy · Deployment evidence

RWA Invoice Financing Protocol — Live on Ethereum Sepolia

A protocol for financing tokenized receivables through separate Senior and Junior ERC-4626 liquidity tranches.

Highlights:

  • non-transferable invoice claims and explicit lifecycle state machine
  • risk-based advance and Buyer exposure controls
  • permissioned and disputable oracle workflow
  • deterministic settlement and default accounting
  • Senior-first recovery and Junior-first loss waterfall
  • independently reconstructed ghost accounting
  • 229 unit, integration, fuzz, and stateful invariant tests
  • six source-verified contracts deployed on Sepolia

Repository · Deployment evidence

Engineering Focus

  • Solidity and EVM
  • DeFi protocol architecture
  • protocol accounting and state machines
  • smart contract security and trust boundaries
  • Foundry unit, fuzz, invariant, and integration testing
  • ERC-4626 vaults, lending, oracles, liquidations, and upgradeability

Additional Work

Background

My background in law and entrepreneurship influences how I approach protocol work: explicit permissions, clearly defined responsibilities, documented trust assumptions, and careful treatment of economic edge cases.

I am interested in Solidity, smart contract, and DeFi protocol engineering opportunities.

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  1. rwa-invoice-financing rwa-invoice-financing Public

    RWA invoice financing protocol with ERC-4626 senior/junior vaults, NFT-based receivables, oracle-driven settlement, waterfall accounting, and stateful invariant testing.

    Solidity 1

  2. lending-protocol-engine lending-protocol-engine Public

    Modular DeFi lending protocol with ERC4626 vaults, indexed debt accounting, liquidation mechanics, oracle safety, and invariant-tested solvency.

    Solidity

  3. defi-lending-primitives defi-lending-primitives Public

    Building core components of a DeFi lending protocol: oracles, AMM pricing, interest rate models, and liquidation mechanics.

    Solidity

  4. solidity-security-patterns solidity-security-patterns Public

    Smart contract security patterns: exploit → fix → invariant, with Foundry tests and gas analysis.

    Solidity

  5. foundry-testing-patterns foundry-testing-patterns Public

    Solidity smart contract testing patterns using Foundry: unit, integration, fork, fuzz and invariant testing.

    Solidity

  6. evm-simulator-js evm-simulator-js Public

    A minimal EVM simulator in JavaScript implementing stack, memory, storage and opcode execution to explore Ethereum Virtual Machine internals at the instruction level.

    JavaScript 1