Software Engineer- Cash Trust Identity

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.

You Will

• 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

You Have

• 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

Bonus

• 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

We're working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is an equal opportunity employer evaluating all employees and job applicants without regard to identity or any legally protected class. We will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and "fair chance" ordinances.

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we're doing to build a workplace that is fair and square? Check out our I+D page .

While there is no specific deadline to apply for this role, U.S. roles are typically open for an average of 55 days before being filled by a successful candidate. Please refer to the date listed at the top of this job page for when this role was first posted.