Principal Software Engineer

Responsibilities

• Own the technical coherence of a platform spanning globally distributed key-value storage, progressive release, configuration delivery, and health-mediation systems.
• Translate requirements from Edge and control-plane platforms into foundational primitives.
• Move fluidly between writing production code, designing new systems, and reviewing senior engineering proposals.
• Lead complex, organization-wide technical initiatives that improve system reliability, performance, and developer productivity.
• Drive consensus on technical decisions across multiple teams and mentor senior engineers.
• Integrate LLMs into engineering processes and systems to improve software development lifecycles.

Requirements

• 10+ years of software engineering experience.
• Proven track record of leading complex technical initiatives and influencing without direct authority.
• Expertise in at least one modern, strongly-typed programming language.
• Experience designing and managing high-volume, global-scale software applications.
• Strong knowledge of API design standards, patterns, and best practices.
• Experience working with top-tier LLMs to plan, write, test, and deploy software.

Preferred Qualifications

• Experience scaling and simplifying high-scale Configuration Management systems.
• Familiarity with Kubernetes or distributed data stores like RocksDB.
• Knowledge of Google’s Prodspec and Annealing systems.
• Experience with large-scale health checking and probe platforms.
• Public evidence of technical leadership, such as conference talks, technical blog posts, or significant open-source contributions.

Benefits

• Comprehensive health and welfare benefits including medical, dental, and vision insurance.
• Financial support through 401(k) retirement plans and employee stock participation.
• Flexible paid time off for vacation and sick leave, plus parental and medical leave.
• Mental health support and various wellness programs.

About the Company

Cloudflare is on a mission to help build a better Internet. We run one of the world’s largest networks, powering millions of websites and protecting them from attacks while accelerating performance. We value builders who see the cracks in the Internet and use the latest tools, including AI, to create innovative solutions.