Company Description
Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.
Job Description
Bitcoin Platform
The Bitcoin Platform team develops infrastructure for Block to send, receive and custody bitcoin by operating a stack for both cold, hot, and lightning wallets. Our goal is to bring bitcoin to people around the world, unlocking previously impossible use cases to accelerate a world built on better money. The team is composed of engineers that specialize in backend, security, and blockchain engineering.
Bitcoin Platform Engineering is composed of two teams: Custody and Trading Engineering. We're responsible for managing and improving our hot and cold Bitcoin wallets, handling transfers in and out of our wallets, and working on next generation Bitcoin technology and features like running a Lightning network node. You will be responsible for designing, building, troubleshooting and improving Bitcoin platform features, services, and infrastructure.
Just like Bitcoin, we are decentralized with team members across the U.S. and Australia working together to shape the future. We're scaling quickly and are excited to continue to grow the team this year!
Qualifications
You have:
5+ years of relevant experience
A strong motivation to contribute to a meaningful product that will fundamentally change the way people interact with financial institutions
Experience working with Bitcoin/Lightning or the desire to learn.
Experience working across teams and disciplines.
Experience building backend systems at scale, involving modern eventing, database, and infrastructure tooling
A pragmatic approach with a focus on delivery.
Ability to excel in macro and micro elements of software design.
Willingness to contribute to the growth of those around you.
Demonstrated technical initiative and leadership on previous projects.
You will:
Help enable instant cross-border payments by helping design, build, and deploy a self-custody Lightning solution for the wallet
Work with other experts at Block to improve Bitcoin Development Kit and Lightning Development Kit to benefit the broader bitcoin ecosystem and community
Influence and define the future blockchain and cryptocurrency technologies leveraged in the wallet, Block and the broader industry
Help guide and write code that we can share between our mobile application and backend services
Make key architecture and platform choices, leveraging existing Block infrastructure and best practices where appropriate and forging a new path when our unique needs require it
Collaborate with mobile and firmware engineers, product managers, and infrastructure and service teams throughout the company
Own testing, observability, and maintenance for the solutions you and the team create
Technologies we use and teach:
Java, Kotlin
Go
Docker, Kubernetes
Jaeger, Prometheus, Datadog
JUnit
Hibernate, Vitess, Guice
Bitcoin, Lightning
Additional Information
We're working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, based solely on the core competencies required of the role at hand, and without regard to any legally protected class.
We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we're doing to build an inclusive workplace? Check out our
Inclusion & Diversity page .
Perks
We want you to be well and thrive. Our global benefits package includes:
Healthcare coverage
Retirement Plans
Employee Stock Purchase Program
Wellness perks
Paid parental leave
Paid time off
Learning and Development resources
Block is a globally distributed company and this role will require working with other employees in multiple time zones. You may be required to perform work outside of normal business as part of this role.
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