Staff Backend Engineer, Custody Core (Crypto Security)

Ca - San Franciscolead

OtherStaff Backend Engineer

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Quick Summary

Key Responsibilities

Design and build backend services supporting SoFi's digital asset custody platform Develop secure transaction orchestration services for deposits, withdrawals, transfers, staking,

Requirements Summary

Design and build backend services supporting SoFi's digital asset custody platform Develop secure transaction orchestration services for deposits, withdrawals, transfers, staking,

Technical Tools

OtherStaff Backend Engineer

Employee Applicant Privacy Notice

Shape a brighter financial future with us.

Together with our members, we’re changing the way people think about and interact with personal finance.

We’re 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 we’re at the forefront. We’re proud to come to work every day knowing that what we do has a direct impact on people’s lives, with our core values guiding us every step of the way. Join us to invest in yourself, your career, and the financial world.

We are looking for a Staff Backend Engineer to help build the next generation of SoFi's 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.

Responsibilities

~1 min read

→Design and build backend services supporting SoFi's 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

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

~2 min read

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

Compensation and Benefits

The base pay range for this role is listed below. Final base pay offer will be determined based on individual factors such as the candidate’s experience, skills, and location.

To view all of our comprehensive and competitive benefits, visit our Benefits at SoFi page!