Cross River logo
Cross River

Powering the future of financial services.

Staff Software Engineer, Crypto

Full-stack EngineerSoftware EngineerFull TimeRemoteLeadTeam 501-1,000Since 2008H1B SponsorCompany SiteLinkedIn

Location

United States

Posted

28 days ago

Salary

$190K - $220K / year

Seniority

Lead

Job Description

Staff Software Engineer, Crypto

Cross River

• Provide technical leadership: define and drive the technical vision and architecture for crypto-related products, services, and infrastructure • Design, develop, and deliver scalable, secure and performant software components • Provide technical mentorship and guidance to senior and mid-level engineers; conduct code reviews and promote engineering best practices • Stay at the forefront of blockchain protocols, DeFi, tokenization standards, and crypto industry trends; evaluate and recommend emerging technologies • Drive system reliability, incident response, and operational excellence across crypto platform services

Job Requirements

  • 5+ years of experience with blockchain technologies, cryptocurrency protocols, or digital asset platforms
  • 10+ years of experience developing enterprise systems in C#
  • 10+ years of experience with SQL, preferably PostgreSQL or SQL Server
  • Deep understanding of blockchain fundamentals — consensus mechanisms, smart contracts, wallet management, key custody, transaction signing, and on-chain/off-chain data flows
  • Experience integrating with major blockchain networks (e.g., Bitcoin, Ethereum, Solana, or similar)
  • Solid grasp of cryptographic principles — hashing, encryption, digital signatures, HSMs, and key management
  • Strong communication skills
  • Cloud Architecture - preferably AWS
  • Docker / Containers
  • Experience designing and developing distributed systems and event driven architecture is a plus. Ideally with understanding or exposure to:
  • MassTransit or NServiceBus
  • RabbitMQ
  • Idempotency

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