Staff Backend Engineer, Custody Core (Crypto Security)
Job Location:
Jacksonville, FL - USA
Monthly Salary:
Posted on:
Vacancies:
Job Summary
Employee Applicant Privacy Notice
Who we are:
Shape a brighter financial future with us.
Together with our members were changing the way people think about and interact with personal finance.
Were a next-generation financial services company and national bank using innovative mobile-first technology to help our millions of members reach their goals. The industry is going through an unprecedented transformation and were at the forefront. Were proud to come to work every day knowing that what we do has a direct impact on peoples lives with our core values guiding us every step of the way. Join us to invest in yourself your career and the financial world.
The role
We are looking for a Staff Backend Engineer to help build the next generation of SoFis digital asset custody platform. This engineer will design and develop the core services that power secure custody blockchain transaction processing wallet infrastructure and institutional digital asset products.
This role sits at the center of crypto infrastructure working closely with Security Platform Engineering Product Treasury and Operations to build highly available systems responsible for protecting customer assets.
The ideal candidate enjoys solving distributed systems problems designing resilient APIs and building financial infrastructure where security and reliability are first-class requirements.
What youll do:
- Design and build backend services supporting SoFis digital asset custody platform
- Develop secure transaction orchestration services for deposits withdrawals transfers staking and treasury operations
- Build integrations with custody providers blockchain infrastructure and institutional settlement networks
- Design APIs supporting retail and institutional crypto products
- Develop services supporting wallet lifecycle management and blockchain interactions
- Improve platform resiliency through redundancy disaster recovery observability and automated recovery mechanisms
- Optimize transaction throughput while maintaining strict security controls
- Build scalable event-driven architectures supporting blockchain state changes and transaction processing
- Partner closely with Security Engineering to implement cryptographic controls and authorization workflows
- Collaborate with Product and Infrastructure teams to deliver new digital asset capabilities
What youll need:
- 7 years of backend software engineering experience
- Strong experience with distributed systems and cloud-native architectures
- Experience building highly available production services
- Strong understanding of REST APIs asynchronous messaging and event-driven systems
- Experience with AWS or comparable cloud platforms
- Experience with PostgreSQL Redis Kafka or similar technologies
- Strong understanding of CI/CD and modern software development practices
- Excellent debugging and production incident response skills
Nice to have:
- Experience working with digital assets or blockchain infrastructure
- Experience integrating with custody platforms such as Fireblocks BitGo or Anchorage
- Experience building financial services infrastructure
- Familiarity with blockchain transaction lifecycle and wallet architecture
- Experience designing secure approval workflows
- Understanding of distributed consensus and cryptographic systems
- Experience supporting institutional financial platforms
Required Experience:
Staff IC
About Company
Why do 10M+ members trust SoFi? Financial solutions for school, marriage, starting a family, home buying, retirement, or whatever’s next. Member FDIC.
