Senior Staff Software Engineer, Crypto

SoFi•San Francisco, NY

About The Position

We’re excited to invite a Senior Staff Engineer to join our amazing team at SoFi! We are on a journey to build out a new team dedicated to developing innovative crypto products and services for our members. With recent developments paving the way for SoFi to re-enter the crypto space, we’re eager to expand our product offerings with intuitive, secure, and fully-featured solutions across crypto Investing, Transfers, Payments, Custody, and beyond. As a member of our team, you’ll be right in the heart of the action—implementing functionality, architecting our systems, squashing bugs, maintaining the health of our code, and continuously growing as an engineer. We’re looking for someone who is both forward-thinking and hands-on, with a strong sense of ownership and a passion for delivering results. You’ll also be a great mentor and co-worker! At SoFi, we take pride in the collaboration between Product, Design, and Engineering, and you’ll be involved in the entire product lifecycle—from ideation through building, deploying, and ongoing improvement and evolution. Joining SoFi means becoming part of a new kind of finance company with a mission to help our members achieve financial independence and reach their goals. We aim to be at the center of our members’ financial lives, helping everyone get their money right. We started with student loan refinancing, tackling the biggest financial challenge of a new generation through a modern approach to lending and personal finance. Since then, we’ve expanded our products and services across loans, wealth management, and insurance. SoFi has seen significant growth and has ambitious plans ahead, but to continue this journey, we need talented individuals like you!

Requirements

10+ years of programming experience, with significant experience in modern languages and familiarity with AI tools.
BS Degree or equivalent from a fully-accredited college or university preferred.
Expert understanding and hands-on experience building and operating large-scale fault-tolerant distributed systems, workflows, databases, and mobile/web applications.
Expertise with Java / Spring / Kotlin / PostgreSQL / AWS, and any modern Java frameworks, REST APIs, and relational databases.
Deep understanding of code release, deployment orchestration/rollout mechanisms, logging, instrumentation, monitoring, and alerting in a microservices environment.
Experience with public cloud infrastructure.
Excellent verbal and written communication skills and ability to work with stakeholders across disciplines.
Understanding of blockchain fundamentals and distributed ledger technologies.
Familiarity with digital assets across major chains (Bitcoin, Ethereum, etc.).

Nice To Haves

Hands-on experience with smart contracts is a plus.
Familiarity with custody, settlement, and clearing of crypto transactions.
Experience with security and best practices for wallet management.
Exposure to crypto trading platforms, market data, and DeFi protocols.
Experience integrating with or building services using crypto infrastructure providers (e.g., Fireblocks, Zero Hash, Anchorage).
Awareness of Web3 trends, including NFTs, DAOs, and Layer 2 solutions.
Prior work in or collaboration with crypto-native companies or fintechs.
Enthusiasm for the evolving digital asset ecosystem and its potential impact on financial services.

Responsibilities

Write production-grade, scalable backend code using Java, Kotlin, Spring Boot, and modern frameworks.
Debug and resolve complex systems issues in high-scale, real-time services.
Build high-quality, scalable systems with a focus on performance, security, and reliability in crypto products.
Shape the technical architecture across SoFi’s crypto stack—wallets, custody, trading, and beyond.
Drive new ideas and technical strategies that push our crypto offerings forward.
Raise the bar on engineering through code quality, mentorship, and setting strong technical standards.
Apply deep knowledge of crypto protocols, smart contracts, and blockchain infrastructure.
Collaborate across teams to deliver reusable crypto services and integrate with SoFi’s broader platform.
Mentor engineers and contribute to a culture of technical growth and curiosity.
Lead discussions, reviews, and decisions across teams and with senior technical leadership.
Make smart, pragmatic decisions that balance speed and quality.
Stay curious—constantly learning new tools, protocols, and patterns in the evolving crypto space.
Ask hard questions, give and take feedback well, and thrive in a collaborative, fast-moving environment.