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Smart Contract Engineer

Impossible Finance

This job is closed

Impossible Finance is a fast-growing, VC-backed, multi-chain ecosystem looking for smart contract engineers. Our team has a strong track record in DeFi, ranging from former leads at Binance and other leading fintech/consumer tech companies that built out various blockchain products including wallets, staking platforms, swap protocols, launchpads and fiat gateways. We believe in an open, fair and more accessible financial system. Our mission is to help people learn, discover and invest in crypto opportunities.

We are looking for a capable and experienced smart contract engineer looking for a high-impact role in creating technology that advances the state of DeFi. You will be responsible for designing/implementing significant portions of software that are maintainable, scalable, and clean, working alongside an expanding team of equally capable engineers.

As a smart contract engineer, you should have a general understanding of how the EVM works, and how to write contracts that are scalable and gas-efficient. You should additionally be able to clearly enumerate various UX, efficiency, and security tradeoffs when designing new features. Smart contract engineering also requires attention to detail and a strong understanding of different failure modes and notable smart contract exploits. Therefore, as part of this role, the ability to write clean and thorough tests will be required, and a security-oriented background is preferred.

We are a primarily remote company with some bases of operation in Singapore, HK, the US, and India, so good communication skills are necessary. English is the primary language of communication.

Day-to-day activities:

  • Write high quality, reusable, and maintainable code
  • Participate in code review and design review
  • Documentation of features and active issues
  • Proactive communication of timelines and blockers

Must have:

  • Strong software design/architecture skill set
  • Strong background in writing smart contracts in Solidity
  • Good understanding of the EVM
  • Good understanding of smart contract security and known failure modes
  • Experience with building large software systems, including Git, CI, and testing
  • Proficient in written and verbal communication in English

Good to have:

  • 2+ years of experience in software development
  • Relevant engineering degree related to CS / IT
  • Experience with frontend and Web3 integration

Impossible Finance focuses on Financial Exchanges and Blockchain / Cryptocurrency. Their company has offices in Asia. They have a small team that's between 11-50 employees.

You can view their website at