Cloudflare · 4 months ago
Senior Software Engineer — CFOne Client Apps
Denver, CO
Full-time
Onsite
Senior Level
$168K/yr - $206K/yrCloudflare is a technology company on a mission to help build a better Internet, known for its large-scale network that powers millions of websites. They are seeking a Senior Software Engineer to join their Cloudflare One Client team, where the successful candidate will work on developing cross-platform apps and implementing high-performance networking code.
AnalyticsEnterprise SoftwareSecurityWeb Hosting
Responsibilities
Excellent programming skills, with experience writing very high-quality and low-complexity code with thorough documentation
Strong experience writing easily-testable and thoroughly-tested code (e.g. using dependency injection with the right abstractions)
Experience with cross-platform programming and good familiarity and understanding of user-interface and core OS concepts of one or more platform (macOS, Windows, Linux, iOS, Android)
Great experience successfully using different typed programming languages, such as Swift, Java, Kotlin, C#, as well as lower-level languages, such as Rust, C, C++
Very comfortable writing multithreaded, asynchronous code
Strong experience with debugging, both at the application level and network-related problems
An understanding of security concepts, such as VPNs, PKI, etc
Empathetic, proactive, and constructive communication skills, verbal and written
Qualification
Required
Excellent programming skills, with experience writing very high-quality and low-complexity code with thorough documentation
Strong experience writing easily-testable and thoroughly-tested code (e.g. using dependency injection with the right abstractions)
Experience with cross-platform programming and good familiarity and understanding of user-interface and core OS concepts of one or more platform (macOS, Windows, Linux, iOS, Android)
Great experience successfully using different typed programming languages, such as Swift, Java, Kotlin, C#, as well as lower-level languages, such as Rust, C, C++
Very comfortable writing multithreaded, asynchronous code
Strong experience with debugging, both at the application level and network-related problems
An understanding of security concepts, such as VPNs, PKI, etc
Empathetic, proactive, and constructive communication skills, verbal and written
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
Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online.
Founded in 2009
1001-5000 employees
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 CompanyTotal Funding
$2.08BKey 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
Winnipeg Free Press
2026-01-09
San Francisco Chronicle
2026-01-09
2026-01-09
Company data provided by crunchbase