Paxos Careers

Build the future of financial services

Full-stack Engineer (Bankchain)

New York, NY

About Paxos

Paxos is a financial technology company delivering pioneering blockchain solutions for global financial institutions. Its flagship service is BankchainTM, a next-generation blockchain settlement platform that is transforming post-trade across capital markets. Paxos’ management team is led by CEO and Co-Founder Charles Cascarilla and its board of directors includes former FDIC chair Sheila Bair, former Senator Bill Bradley, former chair of the Financial Accounting Standards Board Robert Herz, former chairman, president & CEO of Lotus Development Corporation Jim Manzi and former NYSE CEO Duncan Niederauer.


We’re looking for an experienced full-stack engineer to help us build Bankchain, the  distributed system that will underlie the next generation of the global financial markets.  You’ll work with a development team to help define and implement the applications used by both our customers and our operations staff, and be front-and-center designing and developing these tools from the ground up.


What you’ll do 

  • Design and build a Blockchain based platform
  • Work as a part of a team to define architecture and best practices
  • Write high-caliber code on a daily basis to satisfy product requirements
  • Document best practices and act as a knowledgeable resource for blockchain  engineering and problem solving
  • Work cross functionally to ensure alignment and collaboration
  • Bring an entrepreneurial and collaborative spirit to the team
  • Be part of a fast-paced, agile environment


What we’re looking for

  • 2+ years of experience building backend applications using one or more of the following languages: Python (preferred), Go, C++ or Java.
  • 2+ years of experience building frontend applications--asynchronous and event driven programming
  • Experience working on large-scale distributed systems is a huge plus
  • Experience in distributed databases and key-value stores like Redis or Cassandra is a plus
  • Experience with JavaScript frameworks such as AngularJS, Ember.js, Backbone.js, React, etc.Active demonstrable interest in distributed systems, DHTs or cryptography.


 Bonus Points

  • Understanding of Bitcoin, including familiarity with Bitcoin transaction scripting and knowledge of how Bitcoin and various other Cryptocurrencies differ.
  • Understanding of various distributed consensus methodologies (Mining, PoS, Paxos, Raft, etc).
  • Understanding of cryptography, including asymmetric encryption (pub/priv key), symmetric encryption, and hash functions.
  • Experience with back-end python frameworks such as Flask, Django or Tornado
  • Previous work contributing to an open source Bitcoin/Altcoin project.
  • Experience contributing meaningfully to one or more Open Source projects.

Paxos is an equal opportunity employer. It does not discriminate on the basis of sex, age, color, race, religion, marital status, national origin, ancestry, sexual orientation, physical and mental disability, medical condition, genetic information, veteran status or any other basis protected by federal, state or local law.

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