Full-Time

Senior Software Engineer

Cryptography, Bitkey

Posted on 4/25/2024

Square

Square

10,001+ employees

Economic empowerment through inclusive technology

Consulting
Energy
Social Impact
Financial Services
Consumer Goods

Senior

Remote in USA

Required Skills
Kotlin
Rust
Management
Ruby
Java
Blockchain
iOS/Swift
Requirements
  • 10+ years of experience with the full lifecycle of critical production services (server or mobile). Ideally in one of { Rust, Java/Kotlin, Swift, Go, Ruby }
  • Strong bitcoin/cryptographic fundamentals (key generation, secure key management, transaction construction, signatures, multi-party computation)
  • Experience advising product teams on how to address a broad set of security and privacy challenges
  • Empathy for your customers and colleagues
  • Interest in the opportunities and challenges that come with building a new product area from the ground up
Responsibilities
  • Design, build, deploy, and sustain a wide range of secure and reliable services supporting the wallet including multisig key management and provisioning, blockchain interaction, recovery processes, logistics, and more
  • Assess risks to our customers across a wide range of product and technology areas, including mobile, backend infrastructure, key management, account recovery, third party integrations, authentication, and privacy
  • Communicate clearly about risks to teammates across product, software, hardware, support, and supply chain
  • Participate in our team's internal and external transparency by authoring posts and documentation accessible to a wide audience
  • 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 engineers across of varying disciplines, product managers, and many other teams throughout the company
  • Own testing, observability, and maintenance for the services you and the team create

Block is a company deeply invested in economic empowerment through its innovative use of technology across multiple disciplines, including financial forecasting, system security, and inclusive People policies. This multifaceted approach not only fosters an inclusive workplace but also promotes continual learning and growth among its employees, making it a leader in nurturing and implementing new initiatives in its industry.

Company Stage

IPO

Total Funding

$601.2M

Headquarters

Oakland, California

Founded

2009

Growth & Insights
Headcount

6 month growth

-2%

1 year growth

4%

2 year growth

16%