Senior Software Engineer at Upbound - Job Posting | CA, US | Rezi

Senior Software Engineer at Upbound - Job Posting

Senior Software Engineer

Upbound - Job Posting · CA, US

1 weeks ago

Senior Software Engineer

Upbound - Job Posting · CA, US

13 days ago
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About the Role

Upbound is redefining how modern infrastructure is built for the Agentic AI Era. We’re the creators and primary maintainers of Crossplane, and we’re building the Intelligent Control Plane—a new platform layer that makes infrastructure programmable, autonomous, and composable. Our mission is to power the AI-native enterprise with a foundational platform layer that helps teams provision, operate, and adapt infrastructure at scale—so platforms are ready for both humans and AI agents. This role will help build and operate Upbound Spaces, the multi-control-plane management software at the heart of the Upbound Platform, scaling it to support thousands of control planes and extending enterprise-grade management across cloud and on-premises environments.

Responsibilities

  • Actively build and operate Upbound Spaces in production, troubleshooting and resolving issues across multi-tenant SaaS environments.
  • Contribute to Upbound's open-source projects, including Crossplane.
  • Take ownership of building features in high demand by Upbound's customers.
  • Deliver new functionality that will delight and amaze our users.
  • Investigate and debug complex issues in customer environments, including multi-control plane scenarios, resource reconciliation problems, and performance bottlenecks.
  • Communicate through thoughtful and thorough design documents for new initiatives.
  • Create detailed post-incident reviews that drive system improvements.
  • Support the full project lifecycle for highly scalable and reliable services running in a cloud environment.
  • Write and maintain Go code that interfaces with the Kubernetes API, such as operators, controllers, add-ons, etc.
  • Focus on observability, debuggability, and operational excellence in code.
  • Deploy, manage, and troubleshoot Kubernetes services in production.
  • Use metrics, logs, and traces to identify and resolve issues quickly.
  • Build and maintain operational tooling for debugging customer environments.
  • Develop tooling for analyzing control plane health.
  • Automate incident response.
  • Author documentation, user guides, runbooks, and blog posts to support and promote new features.
  • Support the software release cycle for Spaces self-hosted distributions.
  • Diagnose issues in customer-managed deployments.
  • Participate in on-call rotation to support Upbound Cloud.
  • Respond to incidents and drive them to resolution.

Requirements

  • Experience operating production cloud services at scale: monitoring, alerting, incident response, post-mortems, and continuous improvement of service reliability.
  • Strong debugging skills across distributed systems.
  • Experience with observability tools (Prometheus, Grafana, OpenTelemetry, distributed tracing) and techniques for diagnosing issues in production environments.
  • Experience building and operating controllers that interact with the Kubernetes API server.
  • Experience troubleshooting reconciliation loops, managing API rate limits, and optimizing controller performance.
  • Comfort working directly with customers to understand, reproduce, and resolve complex technical issues in their environments.
  • Ability to take responsibility and ownership for solving problems, especially during incidents affecting customer workloads.
  • Demonstrate excellence in work, constantly trying to improve skills and the operational posture of systems.
  • Empathy for customers, keeping them in mind when building solutions.
  • Understanding that reliability and debuggability are features.
  • Realize the importance of clear communication and effective collaboration to work as a team.
  • Ability to deliver great results and support customers through technical challenges.
  • Help create a safe environment where everyone can contribute, learn from failures, share on-call knowledge, and help each other grow as operators and engineers.

Skills

  • Go
  • Kubernetes API
  • Observability
  • Debuggability
  • Operational Excellence
  • Prometheus
  • Grafana
  • OpenTelemetry
  • Distributed Tracing
  • SaaS
  • Cloud Environments
  • On-premises environments
  • Crossplane

Location

  • San Francisco Bay Area
  • Seattle

Work Type

  • Remote
  • Onsite

Experience Level

  • Senior

About the Company

  • Upbound is redefining how modern infrastructure is built for the Agentic AI Era.
  • We’re the creators and primary maintainers of Crossplane.
  • We’re building the Intelligent Control Plane—a new platform layer that makes infrastructure programmable, autonomous, and composable.
  • Our mission is to power the AI-native enterprise with a foundational platform layer that helps teams provision, operate, and adapt infrastructure at scale—so platforms are ready for both humans and AI agents.
  • We partner with leading cloud providers, ISVs, and open-source communities to help organizations move faster with greater confidence.
  • Today, Upbound supports Fortune 500 companies and platform engineers across 100+ countries.
  • Crossplane has surpassed 100M+ downloads and is used by 1,000+ teams worldwide.
  • We’re a Series B company backed by GV (formerly Google Ventures), Altimeter Capital, and Intel Capital, and we’ve raised $69M to date.
  • Upbound is pioneering infrastructure platforms for the Agentic AI Era, serving Fortune 500 companies and platform engineers across more than 100 countries.
  • The company empowers infrastructure and platform teams with Intelligent Control Planes - based on Kubernetes and Crossplane - that provision, operate, and adapt so platforms are ready for both humans and AI agents.
  • Upbound is the creator and primary maintainer of Crossplane, the popular open-source framework for building cloud-native control planes, with over 100 million downloads and adoption by more than 1,000 teams worldwide.
  • A Series B startup backed by GV (formerly Google Ventures), Altimeter Capital, and Intel Capital, Upbound has raised $69M to date.