Systems Engineer - Registrar jobs in United States
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Cloudflare · 1 day ago

Systems Engineer - Registrar

Cloudflare is on a mission to help build a better Internet, operating one of the world’s largest networks that powers millions of websites. They are seeking a talented systems engineer to join their engineering team, focusing on designing, building, and scaling tools and services for domain management.

AnalyticsEnterprise SoftwareSecurityWeb Hosting
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H1B Sponsor Likelynote

Responsibilities

Designing, building, running and scaling tools and services that support the full spectrum of domain management
Analyzing and communicating complex technical requirements and concepts, working with technical leaders to carve a path to delivery
Improving system design and architecture to ensure stability and performance of the internal and customer-facing compliance concerns
Ongoing monitoring and maintenance of production services, including participation in on-call rotations
Experience working on, and deploying, large scale systems in Typescript, Go, Ruby/Rails, Java, or other high performance languages
Experience (and love) for debugging to ensure the system works in all cases
Strong systems level programming skills
Excited by the idea of optimizing complex solutions to general problems that all websites face
Experience with a continuous integration workflow and using source control (we use git)

Qualification

Data infrastructure designLarge scale systemsSystems level programmingTypescriptGoRuby/RailsJavaDebuggingContinuous integrationSource control (git)Problem optimizationCommunication skills

Required

3+ years of experience as a software engineer with a focus on designing, building and scaling data infrastructure
Strong communication skills, especially around articulating technical concepts for technical and non-technical audiences
Experience working on, and deploying, large scale systems in Typescript, Go, Ruby/Rails, Java, or other high performance languages
Experience (and love) for debugging to ensure the system works in all cases
Strong systems level programming skills
Excited by the idea of optimizing complex solutions to general problems that all websites face
Experience with a continuous integration workflow and using source control (we use git)

Preferred

Experience with Cloudflare Developer Platform
Experience with Ruby or Go (or a strong desire to learn)
Experience working with OpenAPI
Experience with AI coding tools
Experience with Kubernetes
Experience with Kibana, Grafana, and/or Prometheus
Experience with relational databases (e.g. Postgres)
Experience with Gitlab and Gitlab CI
Experience with DNS (and DNSSEC)
Experience in the registry/registrar industry

Company

Cloudflare

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Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online.

H1B Sponsorship

Cloudflare has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (117)
2024 (115)
2023 (66)
2022 (98)
2021 (83)
2020 (37)

Funding

Current Stage
Public Company
Total Funding
$2.08B
Key Investors
Franklin TempletonFidelityUnion Square Ventures
2025-06-13Post Ipo Debt· $1.75B
2019-09-12IPO
2019-03-12Series E· $150M

Leadership Team

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Matthew Prince
CEO & Co-Founder
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Lee Holloway
Co-Founder & Lead Engineer
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Company data provided by crunchbase