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
About 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 two engineering teams, Custody and Trading, who specialize in backend, security, and blockchain engineering.
Our Senior Software Engineering position sits on the Custody Engineering team, which is 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. We are scaling quickly and are excited to grow the team!
Qualifications
You have:

• 8+ years of relevant experience
• Bachelor's Degree or Diploma in Computer Science, or equivalent experience.
• A strong motivation to contribute to a meaningful product that will fundamentally change the way people interact with financial institution
• 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.

Technologies we use and teach:

• Java, Kotlin
• Go
• Docker, Kubernetes
• Jaeger, Prometheus, Datadog
• JUnit
• Hibernate, Vitess, Guice
• Bitcoin, Lightning

Qualifications
You have:

• 8+ years of relevant experience
• Bachelor's Degree or Diploma in Computer Science, or equivalent experience.
• A strong motivation to contribute to a meaningful product that will fundamentally change the way people interact with financial institution
• 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.

Technologies we use and teach:

• Java, Kotlin
• Go
• Docker, Kubernetes
• Jaeger, Prometheus, Datadog
• JUnit
• Hibernate, Vitess, Guice
• Bitcoin, Lightning