Web3 Senior Full-Stack Engineer at Impossible
Web3 Senior Full-Stack Engineer at Impossible

Web3 Senior Full-Stack Engineer at Impossible

Job Category

Impossible Finance is a fast-growing, VC-backed, multi-chain ecosystem looking for full-stack 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.

What we're looking for

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.


  • 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


  • 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
  • Optional (but good to have):
    • 2+ years of experience in software development
    • Relevant engineering degree related to CS / IT
    • Experience with frontend and Web3 integration


  • Exclusive upsides, co-investment opportunities and team bonuses
  • Health insurance with 100% premium covered
  • Generous PTO / sick leave
  • Virtual team gatherings with fun games & lucky draw
  • Annual company retreat (after COVID goes away)
  • ✍🏼
    How to Apply Does this role sound like a good fit? Email us at hello@impossible.finance Include the role's title in your subject line, send over your Telegram / Discord username and send along links that best showcase the relevant things you've built and done.