Erc 20 Web3 Jobs in United States

103 jobs found

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Job Position Company Posted Location Salary Tags

SMASH

San Jose, CA, United States

$72k - $100k

Molecule

New York, NY, United States

$90k - $115k

Molecule

New York, NY, United States

$72k - $90k

molecule.xyz

New York, NY, United States

$77k - $105k

CillarCoin

New York, NY, United States

$90k - $162k

Biostate AI

Dallas, TX, United States

$133k - $135k

Molecule

United States

$84k - $120k

molecule.xyz

United States

$76k - $112k

molecule.xyz

United States

$90k - $150k

SMASH

United States

$98k - $105k

D3

San Francisco, CA, United States

$122k - $150k

Molecule

New York, NY, United States

$84k - $120k

Molecule

New York, NY, United States

$72k - $90k

VanEck

New York, NY, United States

$87k - $93k

VanEck

New York, NY, United States

$87k - $93k

SMASH
$72k - $100k estimated
CA San Jose US
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SMASH, Who we are?

We are agents for tech professionals in Costa Rica and Colombia that help them build careers in the United States.

We believe in long-lasting relationships with our talent. We invest time getting to know them and understanding what they seek as their professional next step.

We aim to find the perfect match. As agents, we pair our talent with our US clients, not only by their technical skills but as a cultural fit. Our core competency is to find the right talent fast.

We purposefully move away from the “contractor” or “outsourcing” type of relationship. Our clients don’t want contractors or “just a service.” Neither does our talent.

Our Benefits

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

This is a remote position for Costa Rica and Colombia.

This position is Remote to work with a US Company; you will require to have Citizenship or a work permit from Costa Rica or Colombia to apply for this role.

Responsibilities:

  • Develop, audit, and deploy Ethereum smart contracts.
  • Handle NFT minting, prize distribution, staking, and reward mechanisms.
  • Create an ERC-20 token for the in-game economy and ERC-721 NFTs for achievements.
  • Optimize smart contracts for gas efficiency and scalability.
  • Integrate wallet connectivity (MetaMask, WalletConnect, Coinbase Wallet, Trust Wallet, Phantom, Binance Wallet).
  • Ensure secure blockchain interactions and testing on testnets before mainnet deployment.

Tech Stack / Tools:

  • Solidity, Hardhat
  • Ethereum blockchain (ERC-20 & ERC-721)
  • OpenZeppelin Contracts
  • Web3.js / Ethers.js
  • Alchemy / Infura
  • IPFS, Pinata
  • Wallet integration APIs (MetaMask, WalletConnect, etc.)
  • Moralis API (on-chain event tracking, authentication)