Blockchain Engineer

at Sardine

251 d. ago
About the Job

Who we are:

Sardine helps fintech, crypto, and web3 companies "move money confidently" by developing fraud, compliance, and payment infrastructure. With Sardine, builders can focus on growing their business instead of spending time, fighting against fraudsters. We're growing incredibly fast and powering over 100 customers around the world like Brex, MoonPay, Bakkt, Luno, Transak, Chippercash, Candy Digital, Metamask, Brave, and RelayFi.

Our culture:

  • We have hubs in Bay Area, NYC, and Toronto. However, we have a remote-first work culture. #WorkFromAnywhere

  • We hire talented, self-motivated people and get out of their way

  • We value performance, not hours worked (or what time you work). We believe you shouldn't have to miss your family dinner, your kid's school play, or doctor's appointment for the sake of adhering to an arbitrary work schedule


  • US or LATAM (From Home / Beach / Mountain / Cafe / Anywhere!)

  • We are a remote-first company with a globally distributed team. So you can find your productive zone and work from there

About the Role:

You will be working on design, building, and maintaining our blockchain service to enable the transfer of various tokens and executions of various smart contracts. You’ll be part of the crypto engineering team, building developer-focused API platforms.

You will:

  • Integrate with new blockchains and side-chains

  • Write efficient smart contracts adhering to best engineering and security practices

  • Build service to interact with both web2 and web3 world

  • Work closely with different engineering teams, product teams, auditors and all stakeholders

  • Help shape our company's engineering culture and keep high engineering standards

An ideal candidate has:

  • Overall 4+ years of software development experience with 2+ years of blockchain development experience

  • Experience with developing REST APIs in Node.js

  • Practical experience deploying smart contracts on major blockchain mainnets.

  • Bachelor’s Degree (or higher) in CS, Mathematics, or Physics

  • A deep understanding of blockchain fundamentals, common vulnerabilities, and the EVM