The posting, in Coupa's own words
archived Oct 29, 2026Coupa makes margins multiply through its community-generated AI and industry-leading total spend management platform for businesses large and small. Coupa AI is informed by trillions of dollars of direct and indirect spend data across a global network of 10M+ buyers and suppliers. We empower you with the ability to predict, prescribe, and automate smarter, more profitable business decisions to improve operating margins. Why join Coupa? Pioneering Technology: At Coupa, we're at the forefront of innovation, leveraging the latest technology to empower our customers with greater efficiency and visibility in their spend. Collaborative Culture: We value collaboration and teamwork, and our culture is driven by transparency, openness, and a shared commitment to excellence. Global Impact: Join a company where your work has a global, measurable impact on our clients, the business, and each other. Learn more on Life at Coupa blog and hear from our employees about their experiences working at Coupa.
The Impact of a Senior Full Stack Software Engineerat Coupa:
As a Senior Full Stack Software Engineer at Coupa, you will be a key driver in delivering end-to-end features for our global Business Spend Management (BSM) platform. You will have technical ownership of features from database schema design and highly performant .NET Core APIs, down to the responsive React user interfaces. You will act as an autonomous technical owner, helping scale our systems while mentoring other engineers.
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What You’ll Do:
End-to-End Feature Delivery: Design, develop, and deploy robust, scalable web application features using C# / .NET 10 on the backend and React 18 / TypeScript on the frontend. Client-Side Architecture: Design clean, reusable React UI components and manage complex client-side state, integrating seamlessly with Coupa's custom UI design system. API & Database Design: Build secure RESTful APIs and model relational databases (SQL Server), writing highly optimized queries and managing transaction performance. Production Excellence: Coordinate across global locations to plan, optimize, and safely execute high-quality database migrations and product releases. Mentorship & Code Reviews: Conduct rigorous code reviews across the entire stack, promoting clean code patterns, automated testing (Jest/xUnit), and mentoring mid-level developers.