Senior Software Engineer, API

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Circle is a global crypto finance company, built on blockchain technology, powered by crypto assets, and dedicated to helping people and institutions create and share value globally. With our suite of products, we enable our customers to send and receive money around the world easily, as well as invest in and trade crypto assets.

As part of the product engineering team, you’ll create and iterate upon product features that will shape the future of Circle’s product. You will join a team of engineers and designers that share ideas and code that help us build apps that your friends and family love to use.

What you'll work on:

  • Take the lead in developing product features from initial specs and API development, to the public release and announcement
  • Design and implement the APIs that Circle’s iOS, Android and Web clients run on
  • Collaborate with a fun, passionate team to help craft solutions to problems using the latest technologies
  • Learn more about Circle’s business domains while instructing others about development and design

What you'll bring to Circle:
  • 6+ years of professional experience building/running an application in production using modern web technologies (Ruby on Rails, Flask or Node.js)
  • Experience working with SQL and NodeJS is desired
  • Desire to build and maintain the backbone of our system which powers our iOS, Android and Web clients
  • Real passion for writing beautiful, functional and well tested code
  • Interest in cryptocurrency, blockchain technology or social payments
  • Experience/familiarity with Slack, Mac OSX and GSuite

Circle was founded in 2013 by internet entrepreneurs Jeremy Allaire and Sean Neville. We’re backed by $250 million from investors including Jim Breyer (Facebook), Goldman Sachs, IDG Capital (Baidu, Tencent), General Catalyst (AirBnB, Snapchat), Accel Partners, and Bitmain, with offices in Boston, New York, San Francisco, Dublin, London and Hong Kong.

Circle Pay enables customers to send and receive money, across borders and currencies. Circle Invest empowers consumers to buy and sell crypto assets. Circle Trade is one of the world’s top market makers for major crypto coins and offers OTC trading services for institutions and high net worth individuals. Additionally, in 2018 Circle acquired Poloniex and signed an agreement to acquire SeedInvest, both of which enable us to expand our offerings even further. Poloniex is one of the world's leading token marketplaces. SeedInvest is the largest equity crowdfunding platform in the United States, as well as a licensed broker-dealer.

Check us out at circle.com and download Circle Pay & Circle Invest for iOS and Android today.

We are anequal opportunity employerand value diversity at Circle. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

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