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Cloudflare · 2 days ago

Principal Software Engineer, R2 Storage

San Francisco, CA

Full-time

Onsite

Lead/Staff

$230K/yr - $281K/yr

Cloudflare is on a mission to help build a better Internet, running one of the world’s largest networks that powers millions of websites. The Principal Software Engineer for R2 Storage will set the technical direction for critical infrastructure projects, design and implement reliable systems at massive scale, and collaborate with cross-functional teams to align goals and deliver on timelines.

AnalyticsEnterprise SoftwareSecurityWeb Hosting

H1B Sponsor Likely

Responsibilities

Set the technical direction for some of our most critical and complex infrastructure projects

Drive large-scale architectural decisions that span multiple teams and services

Design and implement systems that operate reliably under heavy load and at massive scale

Lead technical investigations and break down ambiguous problems into clear plans of action

Collaborate closely with engineers across teams, product managers, and infrastructure stakeholders to align goals and deliver on timelines

Be a key contributor to our roadmap — helping shape the future of R2’s architecture, performance, and reliability

Qualification

Architecture directionSystems-level programmingDistributed systems conceptsHigh-throughput systemsStorage systems experienceNetworking experienceCloud infrastructure experienceCommunication skillsCollaboration skillsProblem-solving skills

Required

Experience setting the architecture and technical direction for large, cross-team, and cross-functional engineering efforts

Strong systems-level programming skills

A deep understanding of distributed systems concepts such as consistency, consensus, data replication, and partition tolerance

Proven experience building and maintaining high-throughput, low-latency systems

Strong written and verbal communication skills; ability to explain technical decisions clearly and drive alignment

Comfortable operating in fast-paced environments with tight deadlines and evolving priorities

Preferred

Experience with storage systems, networking, or large-scale cloud infrastructure is a strong plus

Benefits

Medical/Rx Insurance

Dental Insurance

Vision Insurance

Flexible Spending Accounts

Commuter Spending Accounts

Fertility & Family Forming Benefits

On-demand mental health support and Employee Assistance Program

Global Travel Medical Insurance

Short and Long Term Disability Insurance

Life & Accident Insurance

401(k) Retirement Savings Plan

Employee Stock Participation Plan

Flexible paid time off covering vacation and sick leave

Leave programs, including parental, pregnancy health, medical, and bereavement leave

Company

Cloudflare

Glassdoor3.3

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

Founded in 2009

San Francisco, California, USA

1001-5000 employees

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

Matthew Prince

CEO & Co-Founder

Lee Holloway

Co-Founder & Lead Engineer

Recent News

IndiaTimes

Cloudflare threatens Olympic services over piracy fine

2026-01-11

Tech in Asia

Cloudflare threatens Italy exit after $16m anti-piracy fine

2026-01-11

The Local Italy

Cloudflare threatens Italy's Olympic services over piracy fine

2026-01-11

Company data provided by crunchbase