Software Engineer- Cash Trust Identity

Block•Oakland, CA

5d•Remote

About The Position

It all started with an idea at Block in 2013. Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic ecosystem, developing unique financial products, including Afterpay/Clearpay, to provide a better way to send, spend, invest, borrow and save to our 50+ million monthly active customers. We want to redefine the world’s relationship with money to make it more relatable, instantly available, and universally accessible. Today, Cash App has thousands of employees working globally across office and remote locations, with a culture geared toward innovation, collaboration and impact. We’ve been a distributed team since day one, and many of our roles can be done remotely from the countries where Cash App operates. No matter the location, we tailor our experience to ensure our employees are creative, productive, and happy. The Role Cash Trust Identity is building the next generation of customer identity infrastructure to support a rapidly growing fintech portfolio. We're looking for a Software Engineer to join our platform team and help modernize identity systems while maintaining the highest standards of security, compliance, and reliability. In this role, you'll operate independently as a technical expert, delivering high-quality solutions while beginning to expand your influence across team and organizational boundaries. You'll take ownership of meaningful projects that impact how customer identity is verified, represented, and consumed across the Cash App ecosystem.

Requirements

5+ years of backend engineering experience, with demonstrated expertise in at least one major technical area
Strong track record of independently delivering complex projects from design through production
Deep understanding of distributed systems, data modeling, and API design
Comfortable navigating cross-functional constraints (compliance, legal, security) while still delivering great engineering outcomes
Passionate about system design and how architectural decisions impact developer experience and long-term maintainability
Strong communication skills - you can explain technical concepts clearly and document decisions rigorously
Growth mindset - you learn from feedback, stay current with emerging approaches, and help others grow
Hands-on approach - you enjoy diving into code, spelunking through systems, and using AI tools thoughtfully to improve your wor

Nice To Haves

Experience working with legacy and distributed systems or migrating between architectures
Background in regulated industries or collaboration with compliance/legal teams
Experience with identity, payments, or compliance systems (or similar complex domains with regulatory constraints)
Strong technical writing skills, particularly for design documents and architecture decision

Responsibilities

Independently deliver high-quality technical solutions for identity verification, lifecycle management, and fraud prevention systems
Own end-to-end projects spanning multiple components or systems, from design through implementation and monitoring
Contribute to platform modernization by helping rationalize disparate identity systems and improving data consistency across services
Collaborate across teams with engineering, compliance, risk, and product to ensure identity data is trustworthy and actionable
Mentor and support junior engineers through code review, pairing, and technical guidance
Identify and address technical debt and system reliability issues proactively, balancing near-term delivery with long-term evolution
Design scalable solutions that anticipate future constraints and support platform growth
Participate in architecture discussions and contribute technical perspective to team strategy and roadmap plannin