Blockchain Developer - Remote

Posted Yesterday

Software Development

Full Time

Costa Rica, Colombia

Overview

We are seeking a Blockchain Developer who will be responsible for developing, auditing, and deploying Ethereum smart contracts, as well as handling NFT minting and other blockchain interactions.

In Short

Develop, audit, and deploy Ethereum smart contracts.
Handle NFT minting, prize distribution, staking, and reward mechanisms.
Create ERC-20 tokens and ERC-721 NFTs.
Optimize smart contracts for gas efficiency.
Integrate wallet connectivity (MetaMask, WalletConnect, etc.).
Ensure secure blockchain interactions and testing on testnets.
Work with Solidity, Hardhat, and OpenZeppelin Contracts.
Utilize Web3.js / Ethers.js and Alchemy / Infura.
Implement IPFS and wallet integration APIs.
Use Moralis API for on-chain event tracking.

Requirements

Experience with Solidity and Ethereum blockchain.
Familiarity with NFT standards (ERC-20 & ERC-721).
Knowledge of Web3.js and Ethers.js.
Understanding of smart contract optimization techniques.
Experience with wallet integration APIs.
Strong problem-solving skills.
Ability to work independently in a remote setting.
Citizenship or work permit from Costa Rica or Colombia required.

Benefits

Wellness Coverage.
Remote Work.
Birthday day off.
Recognition and rewards system.
Referrals Program.
Business skill coaching.
English classes for employees and relatives.
Learning opportunities.

Smash CR

Smash CR is a dedicated agency for tech professionals in Costa Rica and Colombia, focused on helping them build successful careers in the United States. The company prioritizes long-lasting relationships with its talent, investing time to understand their individual aspirations and ensuring a perfect match with U.S. clients based on both technical skills and cultural fit. Unlike traditional contractor or outsourcing models, Smash CR emphasizes meaningful partnerships, offering a range of benefits including remote work opportunities, private medical insurance, and professional development resources. The company is committed to finding the right talent quickly and effectively.

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