Senior Software Engineer – Client Mobile and Desktop Apps

Cloudflare

Senior Software Engineer working on Cloudflare One Client team developing cross-platform apps and networking code. Leading design projects and collaborating with product managers and designers.

Posted 4/22/2026full-timeAustin • Colorado, Texas • 🇺🇸 United StatesSenior💰 $168,000 - $206,000 per yearWebsite

Tech Stack

Tools & technologies

AndroidFlutteriOSJavaKotlinLinuxMacOSRustSwift

About the role

Key responsibilities & impact

You will use cross-platform frameworks along with platform-native languages & APIs to implement user-friendly apps that run on desktop and mobile platforms.
You will also use Rust alongside platform-native languages and APIs to implement high-performance networking code for both our mobile and desktop apps.
You will be expected to lead the design and implementation of major development projects, working closely with our product managers, designers and other teams to implement customer-impacting features.
You will work on stimulating problems born out of the scale of our deployment, and the stringent quality, performance, and security requirements of our product.

Requirements

What you’ll need

Experience with cross-platform programming (Flutter) and good familiarity and understanding of user-interface and core OS concepts of one or more platform (iOS, Android, macOS, Windows, Linux)
Great experience successfully using different typed programming languages, such as Swift, Kotlin, Java, C#, as well as lower-level languages, such as Rust, C, C++.
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)
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.

Benefits

Comp & perks

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

ATS Keywords

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Hard Skills & Tools

cross-platform programmingFlutterSwiftKotlinJavaC#RustCC++multithreaded programming

Soft Skills

leadershipcollaborationproblem-solvingcommunication