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Job Position Company Posted Location Salary Tags


Bengaluru, India

$30k - $75k

Solidity Engineer

$30k - $75k

This job is closed

Backed by YCombinator and part of their W20 batch, we're building a neobank to enable access to USD instantly from anywhere in the world. ZeFi allows users from anywhere in the world buy/hold/transfer USD instantly and earn yields up to 7% APY on their deposits.

We leverage Decentralized Finance or DeFi - an ecosystem comprised of applications built on decentralized networks, permissionless blockchains, and peer-to-peer protocols for the facilitation of lending/borrowing or trading with financial instruments.

The core principle is to provide a new, permission less financial ecosystem without a central authority. This allows for lending and borrowing in a decentralized manner. The user acts as their own custodian, maintaining full control of their assets while granting access to financial services.

We're looking for a Solidity Engineer to help us build the smart contract framework for our non-custodial wallet interacting with lending markets and other DeFi protocols. You'll work with our product and research teams to architect and implement the ZeFi wallet and smart contracts middleware.


  • Develop, ship, and maintain quality smart contracts
  • Develop high-quality code that is maintainable, performant, accessible, precise and compatible with modern platforms.
  • Perform internal code audits and code reviews, and produce product and best practices documentation.
  • Collaborate with other product contributors to define new product features, roadmap, and workflow.


  • Expert understanding of Ethereum and the inner workings of the EVM.
  • Understanding of DeFi protocols like compound, fulcrum, maker, and DAO
  • Provable ability to ship high quality, well-crafted code running on Ethereum.
  • Strong unit testing culture.
  • Being passionate about decentralization and open source.
  • Being an autonomous individual with a proactive attitude and a love for time self-management.

Nice to have

  • Experience contributing to or managing open source projects.
  • Very good written communication skills.

How to apply

  • Write an email with the following attachments plus any information you consider important to [email protected], with the subject Solidity Engineer opening application.
  • Please send along your GitHub, LinkedIn/CV, Twitter/Reddit profiles. Since we are open source only, we require applicants for developer positions to have a very active and healthy GitHub profile.

ZeFi focuses on South East Asia, Cryptocurrency, Blockchains, Europe, and United States. Their company has offices in San Francisco and India. They have a small team that's between 1-10 employees.

You can view their website at https://zefi.io or find them on Twitter and LinkedIn.