Systems Engineer, Email Service jobs in United States
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Cloudflare · 1 month ago

Systems Engineer, Email Service

positionHybrid
timeFull-time
remoteHybrid
seniorityMid Level

Cloudflare is on a mission to help build a better Internet, providing services that protect and accelerate Internet applications. As a Systems Engineer focused on Cloudflare's Email Service, you will develop innovative solutions that redefine email deliverability and empower customers by owning your code from inception to release.

AnalyticsEnterprise SoftwareSecurityWeb Hosting
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H1B Sponsor Likelynote

Responsibilities

Shape the future of industry-leading services that redefine what is possible for developers
Own your code from inception to release, delivering solutions at all layers of the software stack to empower Cloudflare customers
Implement innovative solutions for deliverability, optimize time-to-inbox, or design an API for a new product feature

Qualification

Transactional email infrastructureEmail deliverability standardsStrongly-typed programming languagesCloudflare Developer PlatformLarge-scale applicationsLinux / UNIX knowledgeTechnical writing skills

Required

Experience with transactional email infrastructure at scale
Strong knowledge of email deliverability / anti-spam standards (e.g. SPF, DKIM, DMARC, VERP)
Knowledge of at least one modern strongly-typed programming language: we primarily use Rust, TypeScript, and Go
Experience with Cloudflare Developer Platform
Proven ability to drive projects independently, from concept to implementation

Preferred

Deep Linux / UNIX systems knowledge
Technical writing skills
Experience building and scaling large-scale applications

Company

Cloudflare

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Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online.
dateFounded in 2009
location
San Francisco, California, USA
people-size1001-5000 employees
web-link
http://www.cloudflare.com

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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Recent News

Winnipeg Free Press
Spanish soccer league battles Cloudflare over piracy, says U.S. company ignores illegal content
2026-01-09
San Francisco Chronicle
Spanish soccer league battles Cloudflare over piracy, says US company ignores illegal content
2026-01-09
Telecompaper
Cloudflare handed USD 14 mln anti-piracy fine in Italy
2026-01-09
Company data provided by crunchbase