JS Remotely - Remote JavaScript Jobs

Find new remote JavaScript, Node.js, Angular, React, Vue or Electron job from 200+ posted jobs!

Post your job ad - $99 for 3 months ✏️

Ethereum Smart Contract Developer, Part-Time Contractor (20 hrs / wk)

Upstate Interactive

We are looking for a motivated student / junior level software engineer - who has a basic understanding of how blockchains and smart contracts work - to help us build custom Ethereum smart contracts. We will train you if you do not already have Ethereum smart contract experience. This is a part-time contracting position. Remote is totally fine.

At Upstate Interactive we provide a remote-first work-environment. We are a team of engineers located from New York to California whose highest aim is to write code that makes our clients lives easier. As a contractor with us, you will be working alongside our team and the client’s team to deliver on the requirements of the project.


  • Experience with object-oriented programming

  • Experience with NodeJS/Express

  • Experience with Front-end frameworks, preferably Angular

  • High-level understanding of how Blockchains work, especially Ethereum

  • Familiarity with cryptography and experience with Public Key Infrastructure (PKI)

  • Experience with agile and test driven development

  • Interest in blockchain and enthusiasm for working in a relatively new space


  • Knowledge of Web3 and Ethereum development tools (Truffle in particular)

  • Familiar with developing Ethereum smart contracts written in Solidity

  • Familiarity with and experience working with OpenZeppelin 

  • Familiarity with decentralized finance, upgradeable smart contracts, proxy patterns, and experience working with ZeppelinOS

  • Experience with the Mocha JavaScript test framework and Chai’s assertion library