C
Coupa
Principal Software Engineer
Skills
Google Cloud PlatformDockerRuby on RailsRubyGolangJavaMicroservicesAWSKubernetesCompliance
1 month ago
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Important information
Contract type:
Permanent
Salary:
$201,000 – $281,000 / year
Location:
San Francisco, CA, USA
Work mode:
Onsite
Published on:
19 September 2026
What they need
- We’re looking for someone who’s rebuilt a production system while it was running
- CSP (Coupa Supplier Platform) serves millions of supplier companies—it’s where they find work, receive orders, issue invoices, and get paid
- The platform started as a Rails monolith
- It works, but it needs to evolve
- More traffic, more features, multi-cloud deployment, higher availability requirements
- You’ll report to the VP of Engineering
- CSP operates as a nimble team outside the larger engineering org, moving fast and pioneering approaches that demonstrate what’s possible
- You’ll work with Ruby on Rails, Golang, Java—and introduce whatever else the architecture needs
- Lead the architectural evolution. Traffic is growing, functionality is expanding, robustness matters more than ever. You’ll define what changes, in what order, and why
- Set the patterns: API design, microservice boundaries, deployment pipelines, monitoring, reliability. Make them real, not theoretical
- Mentor engineers. Guide decisions. Review architecture and code. Build the kind of team that ships ambitious work
- Join the Architectural Steering Group. Share what you learn with Principal Engineers across Coupa. Import what works elsewhere
- Partner with SRE on cloud-native infrastructure: CI/CD, containers, infrastructure-as-code, multi-cloud capabilities
- Own security, multi-tenancy isolation, data governance, and compliance across all regions
- Work with product, design, and business teams to turn supplier workflows into systems that scale- Deep knowledge of API-driven services, multi-tenant architectures, and B2B integration patterns that handle millions of users
- Real experience evolving legacy systems into microservices—in production, with users depending on uptime
- Communication skills that work across engineering, product, and business. You build consensus without watering down hard truths
- 15+ years building B2B SaaS at scale. You’ve held leadership and architectural roles where your decisions stuck around
- Solid foundation in modern deployment: CI/CD, Docker/Kubernetes, infrastructure-as-code, working with cloud providers like AWS or GCP
- Comfort across technology stacks (Rails, Golang, Java) and the judgment to pick tools that solve problems, not resume lines
- Problem-solving skills that balance scale, performance, technical debt, and shipping features. You know the trade-offs because you’ve lived them
- Track record mentoring teams—providing direction without micromanaging, staying technical without bottlenecking
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