At Cloudflare, we're on a mission to help build a better Internet. We protect and accelerate any Internet application online without adding hardware, installing software, or changing a line of code.

As a Systems Reliability Engineer on one of our Production Engineering teams, you'll be building the tools to help engineers deploy and operate the services that make Cloudflare work. Our mission is to provide a reliable, yet flexible, platform to help product teams release new software efficiently and safely.

Core platforms we operate at Cloudflare include:

• Kubernetes
• Kafka
• Developer tools, CI, and CD systems
• Vault, Consul
• Terraform
• Temporal Workflows
• Cloudflare Developer Platform

Responsibilities

• Build software that automates the operation of large, highly-available distributed systems.
• Ensure platform security, and guide security best practices
• Document your work and guide fellow developers towards optimal solutions
• Contribute back to the open source community
• Leave code better than we found it

Requirements

• Recent career experience with Go or Python and at least 3 years experience in the role of full-time software engineer (any language). Rust is an added bonus.
• Experience with deploying and managing services using Docker on Linux
• A firm grasp of IP networking, load balancing and DNS
• Excellent debugging skills in a distributed systems environment
• Source control experience including branching, merging and rebasing (we use git)
• The ability to break down complex problems and drive towards a solution

Bonus Points

• Experience with Deployment, StatefulSets, Persistent Volumes Claims, Ingresses, CRDs on Kubernetes
• Operational experience deploying and managing large systems on bare metal
• Experience as a Site Reliability Engineer (SRE) for a large-scale company
• You have practical knowledge of web and systems performance, and extensively used tracing tools like ebpf and strace.
• Alerting and monitoring (Prometheus/Alert Manager), Configuration Management (salt)

What Makes Cloudflare Special?

We're not just a highly ambitious, large-scale technology company. We're a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.

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As a Senior Software Engineer - Stability, you will lead projects end-to-end, drive technical projects from concept to production. You will define solutions, analyze tradeoffs, make critical decisions, and deliver software that works today and is sustainable for tomorrow.

Key responsibilities include:

• Championing reliability by making technical choices that improve the reliability of Mercury's systems and making it easier to get reliability by default.
• Measuring outcomes by defining and collecting metrics that show how your work creates value for the business.
• Approaching code with craft by writing clear, testable, and maintainable code.
• Building for quality and sustainability by designing extensible systems, making balanced decisions on tech debt, planning careful rollouts, and owning the quality of your work through post-launch monitoring.
• Improving the developer experience by approaching problems with a product mindset, getting close to internal customers by supporting them and getting feedback from them.

The ideal candidate for this role has expertise in PostgreSQL with query optimization, tuning, replication, pooling/proxying, or client-side libraries. They have worked with other data systems supporting a relational database: event streaming, OLAP, caches, etc. They have authored and operated Temporal workflows, are familiar with tracing and OpenTelemetry, and have learned by leading moderate-to-large technical projects, including planning, execution, and stakeholder management.

The salary range for this role is $166,600 - 250,900 for US employees and CAD $157,400 - 237,100 for Canadian employees.

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