Software Engineer- Finance & Supply Chain Engineering

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.

The Role

Block's Business Platform Engineering organization powers the foundational systems that drive financial operations across Square, Cash App, TIDAL, and Proto. We're building the next generation of financial infrastructure that processes millions in daily transactions and shapes strategic decisions across Block's entire portfolio.

As a Software Engineer in Financial & Supply Chain Engineering, you'll develop mission-critical systems spanning:

• Record-to-Report automation
• Financial forecasting & modeling platforms
• Indirect Tax & Reporting engines
• Treasury management systems
• Regulatory compliance frameworks

You Will

• Build Financial Infrastructure: Design, develop, and maintain full-stack applications using Go, Ruby on Rails, and modern JavaScript/TypeScript frameworks that handle millions of dollars in financial transactions

• Develop Data Pipelines: Create robust ETL processes and real-time data workflows using Temporal, Prefect, and Snowflake to power business forecasting and financial analytics

• Ensure System Reliability: Write clean, efficient, and reliable code with comprehensive testing, monitoring, and alerting to maintain 99.9% uptime for critical financial systems

• Collaborate Cross-Functionally: Work closely with Finance, Compliance, and Product teams to transform complex business requirements into scalable technical solutions

• Navigate Regulatory Complexity: Build systems that ensure compliance with financial regulations, data privacy requirements, and audit standards

• Drive Technical Excellence: Make informed architectural decisions, conduct thorough code reviews, and mentor junior engineers while maintaining high engineering standards

• Shape Financial Technology: Help define the future of Block's financial infrastructure, contributing to open-source projects and industry best practices

You Have

• 8+ years of experience building and scaling production systems, with exposure to data-intensive applications or high-stakes processing environments

• Experience with SQL, database design, and complex data relationships; comfort working with large datasets and multi-system integrations

• The ability own design and build creative solutions to complex problems

• Track record of building reliable, well-tested systems with proper monitoring, logging, and error handling

• Ability to work effectively with non-technical stakeholders, translating business needs into technical requirements

• A strong desire to perform and grow as an engineer

Technologies We Use and Teach

• Languages: Go, Ruby, JavaScript/TypeScript
• Frameworks: Ruby on Rails, React
• Databases: MySQL, Snowflake
• Infrastructure: AWS (S3, Aurora), Docker
• Orchestration: Temporal, Prefect
• Testing: Unit tests, integration tests, RSpec, Vitest
• Monitoring: DataDog, Sentry
• Protocols: HTTP, JSON, gRP

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