Solidity Developer for DeFi Staking Platform

We are building a DeFi staking platform on Ethereum (EVM-compatible) and need an experienced Solidity developer to implement and test core smart contracts.

The complete technical specification, architecture diagram, and acceptance criteria are provided in the attached PDF. Please review it before bidding.

Key Requirements:
Develop secure staking contracts (ERC-20 support) with reward distribution logic
Functions: stake(), unstake(), claimRewards(), emergency pause
Unit tests with Hardhat/Foundry (≥90% coverage)
Preparation for audit: NatSpec comments, gas optimization, reentrancy guards

You Should Have:
Proven Solidity (0.8.x) & OpenZeppelin experience
Portfolio with deployed DeFi/staking contracts (GitHub links required)
Strong understanding of EVM security best practices

Budget & Timeline:
Budget: $2,500 – $4,500 (fixed-price, milestone-based)
Timeline: ~3–4 weeks for MVP
Payment: 30/40/30 split (start → testnet → mainnet)

How to Apply:
Download and review the attached PDF with full TASK.
https://docsend.com/v/q6nr5/cspdaorequirements