Software Engineer, Cash App Taxes
Core
Build and enhance the codebase powering the Cash App Taxes filing experience, translating complex tax requirements into seamless software solutions for millions of users.
Role type
Senior backend software engineer (tax engine)
Builds
Tax filing platform features, federal and state form logic, and e-file submission systems
Domain
Fintech / Tax technology
Deliverable
production ML models | product features
Required skills
Backend development, system design, architecture, object-oriented programming, clean code practices, unit testing, debugging
Preferred skills
Tax industry experience, AI-first mindset
Technologies
Java, Kotlin, iBatis, SQL, Datadog, Splunk, New Relic, GCP, AWS, GitHub, HTTP, JSON, gRPC, Protocol Buffers, Okta, Linear, AI Coding Agents
Responsibilities
Design and own high-quality features and systems for the tax filing experience; Translate complex tax rules into clean, maintainable, and well-tested code; Build tools and guardrails for non-technical contributors; Drive architectural and design decisions for scalability and security; Write reliable code and establish best practices for testing and deployment; Collaborate cross-functionally with QA, Product, and Tax Specialists; Proactively identify and resolve issues related to accuracy and performance.
Seniority
Senior, hands-on IC
