This role can be worked remotely so long as your home base is in North America. We are looking for a

Sr. Software Engineer

(Backend) who will join our Bitcoin Team. You will process a significant amount of cryptocurrency transactions so our applications need to be fast, accurate, scalable and secure. Our integrated platforms interact with a number of exchanges, agencies, and governments around the world, and we use the best technology the industry offers to build them. Responsibilities

Enhance our multi-signature Bitcoin wallets with the latest Bitcoin features, at the scale of billions of dollars per month

Own the functionality, scalability and performance of the systems which support our Bitcoin products

Improve, extend and maintain existing backend software which integrates with the Bitcoin blockchain

Contribute Bitcoin knowledge and expertise throughout the engineering team Skills & Experience We are looking for teammates who share and practice our values of open communication, collaboration, accountability, and craftsmanship, and who feel passionate about our mission to deliver trust in digital assets. Required

At least 5 years of back-end or protocol-level software development experience

Programming and debugging skills using Node.JS, JavaScript, and Typescript

Thoughtful, minimalistic and sound API design philosophy

Comfortable with git and Github-based code review

Passion for enabling cutting-edge Bitcoin features at scale

Believes in testing twice (or more), and shipping once

Ability To Work Independently In a Fast-paced Environment Preferred

Strong understanding of fundamental Bitcoin blockchain mechanics

Familiarity with emerging Bitcoin features, such as Taproot and Lightning

Non-trivial contributions to Bitcoin-related open source software

Experience with developing containerized applications running in Kubernetes

Background in server-side Java application programming