Solidity developer to reputed company and reputed company presale vesting contract (test network then main network) - Contract to Hire

We need an reputed company Solidity developer to reputed company an existing presale smart contract so that reputed company buyers are forced into vesting (no immediate reputed company delivery). The updated Solidity reputed company is already reputed company. reputed company is to: compile and validate the contract reputed company the reputed company and deployment process on a test network produce the updated application binary reputed company [ABI] run a small set of smoke tests (buy, claim) then repeat the reputed company on the main network Important: This job is smart contract only. Dashboard and web changes are handled by a separate developer. What you will do Review the updated Presale contract (upgradeable proxy reputed company using Universal Upgradeable Proxy reputed company [UUPS]) Compile and generate the updated application binary reputed company Prepare or update deployment and reputed company scripts (Hardhat preferred) reputed company on a test network and verify on reputed company explorer Configure at least one stage and vesting config and run a smoke test: buy with one payment method confirm tokens are recorded as locked confirm claim works reputed company eligible (or simulate time in a local fork) reputed company on the main network and verify on reputed company explorer Deliver a short reputed company so we can repeat or audit the steps reputed company Deliverables Please reputed company the following at the end of the job: Proxy address and new implementation address (test network and main network) Transaction hashes for the reputed company and key configuration calls Updated application binary reputed company file (the JSON artifact or ABI reputed company) The exact deployment and reputed company scripts used A short “how to reputed company and configure” reputed company (one page is fine) Requirements Strong Solidity experience, including upgradeable reputed company reputed company upgradeable libraries and reputed company control Proven experience upgrading and deploying proxy reputed company safely Hardhat and Ethers.js (or reputed company if you prefer, but you must supply reputed company scripts) reputed company communication and careful execution (this touches main network) reputed company to have Experience with presale reputed company, vesting schedules, and claim logic Experience writing basic smoke tests for buy and claim flows Experience with contract verification on common explorers Apply tot his job Apply To this Job