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Senior Blockchain Security Engineer

🌍 100% RemoteFull-Time

Posted January 20, 2023

Paxos is on a mission to enable the movement of any asset, any time, in a trustworthy way. Today   s financial infrastructure is archaic, expensive, inefficient and risky - supporting a system that leaves out more people than it lets in. So we   re rebuilding it.

As a regulated blockchain infrastructure company, we use technology to tokenize, custody, trade, and settle assets for enterprise clients like PayPal, Bank of America, and Interactive Brokers. Paxos is a top-funded blockchain company, with more than $500 million in total funding from leading investors like OakHC/FT, Founders Fund, PayPal Ventures, and Declaration Partners. Together, we empower today   s financial leaders to build a more open, trusted economy.

As a Senior Blockchain Security Engineer, you   ll get to:

  • Own threat modeling and security assessments of new assets/tokens, blockchains, DeFi protocols, and smart contracts
  • Collaborate cross functionally with engineering, product, compliance, and operations on impact of new forks, protocols, and chains
  • Lead code reviews of systems that interact with the blockchain

Your experience should include:

  • At least 4 years of experience in software development or information security, with at least 2 years in the blockchain space
  • Experience in smart contract security, auditing, and blockchain protocols
  • Experience in a variety of languages, such as Go, Python, etc.
  • Strong debugging skills and/or experience in reverse engineering
  • Cryptography experience and its application to distributed ledger tech

You might also have:

  • Previous work experience in a high security and/or highly regulated industry

What you   ll love about Paxos:

Paxos has consistently been recognized on the Forbes Fintech 50, CB Insights Blockchain 50 and Built In   s    Best Places to Work    lists. Paxonians have significant ownership and impact on our business, as well as benefits like company equity, health insurance, family leave, a quarterly stipend for development, a stipend for home office setup and unlimited PTO. From team product demos and virtual lounge and learns to care packages and an active Slack #shoutouts channel, there are countless opportunities to connect and make your mark. Help us continue to build a new, open financial system from one of our three offices or right from your home!

Learn more:




Our Paxos team is made up of passionate people from all over the world with different perspectives and experiences. If this opportunity excites you, but your experience doesn   t perfectly match the description   apply! Unique voices help us build a more transparent and open economy.



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