> Markdown version of [/jobs/ext/4509563-senior-software-engineer-backend-financial-product](https://www.wearedevelopers.com/jobs/ext/4509563-senior-software-engineer-backend-financial-product). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer, Backend - Financial Product - **Company:** CO-RIPPLING LLC - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Business Logic, Data Integrity, Relational Databases, Distributed Systems, Fault Tolerance, Python (Programming Language), Performance Tuning, Software Engineering, Backend, Front End Software Development - **Published:** November 2, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-software-engineer-backend-financial-product-san-francisco-ca--c22ee63b-18c7-4620-8d5f-918143a08a89 ## About the Role Software Engineering, Expense Management, Product Engineering, Global Financial Markets, Financial Systems, Cross-Functional, Payroll Administration, Expense Tracking, Tax Regulations, Banking Services, * 5+ years of experience in a production environment using Python, Go, or a similar high-scale backend language. * Deep expertise in distributed systems architecture, data modeling, and performance optimization of relational databases. * You have seen and contributed to systems operating at a significant technical and organizational scale. * Strong understanding of CS/algorithms fundamentals and experience with complex project delivery. * Exceptional communication skills with technical and cross-functional stakeholders. ## Description Our team builds and maintains the core financial products that enable businesses to operate seamlessly, covering areas such as: * Global Payroll: Developing the systems for calculating, filing, and processing payroll across multiple countries, including tax logic, compliance, and direct money movement infrastructure. * Banking & Fintech Infrastructure: We're building the simplest, invisible, intelligent financial backbone for global money movement. This platform delivers secure, fault-tolerant, scalable primitives for money movement, billing, reconciliation, compliance, and financial intelligence, enabling rapid launch of financial products with minimal effort, and zero disbursement failures or manual intervention. * Tax & Compliance Platforms: Designing robust, scalable systems to handle complex, rapidly changing tax and regulatory requirements across all jurisdictions. We operate in a zero tolerance domain for accuracy, timelines and compliance. Our platform manages calculation, setup, filings and payments of taxes for US and ever expanding international markets., * Own the design and implementation of core backend services and APIs that power critical product capabilities and complex business logic. * Ensure all systems are built for high-volume scale, reliability, and security, making strategic decisions about infrastructure and data integrity. * Work seamlessly with product, frontend, and platform teams to translate feature goals into robust, high-performance technical solutions. * Elevate the team's technical standards, lead code and design reviews, and mentor engineers on backend best practices.