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Cloudflare, Inc. is a leading web infrastructure and security company based in San Francisco, California. With over 3 million customers, including major brands like Shopify, Discord, and Udemy, Cloudflare offers a suite of services such as content delivery network (CDN), DDoS mitigation, and Interne...
Cloudflare offers competitive salaries, equity options, unlimited PTO, and a flexible remote work policy. Employees also benefit from a learning and d...
Cloudflare fosters a culture of transparency and innovation, encouraging employees to take ownership of their projects. The company values diversity a...

Cloudflare • Hybrid
Cloudflare is seeking a Senior Systems Engineer to contribute to the Durable Objects DevEx team. You'll focus on building a globally-distributed coordination and state primitive. This role requires expertise in Cloudflare technologies and a passion for improving Internet applications.
You have a strong background in systems engineering with a focus on distributed systems — your experience includes designing and implementing robust solutions that enhance application performance and reliability. You are familiar with the challenges of building scalable systems and have a keen understanding of how to optimize them for various use cases.
Your technical skills are complemented by a collaborative mindset — you thrive in team environments and enjoy working closely with developers and product managers to ensure that the systems you build meet user needs effectively. You are committed to continuous learning and are eager to stay updated with the latest technologies and best practices in the field.
You understand the importance of security and performance in systems engineering — you have experience implementing security measures and performance optimizations that protect applications from threats while ensuring they run efficiently. Your problem-solving skills enable you to tackle complex issues and find innovative solutions.
You are passionate about building a better Internet — you believe in the mission of Cloudflare and are excited about the opportunity to contribute to projects that have a significant impact on millions of users worldwide. You appreciate a diverse and inclusive work environment and are eager to collaborate with colleagues from various backgrounds.
Experience with Cloudflare products or similar technologies is a plus — you have a strong understanding of how to leverage these tools to enhance application performance and security. Familiarity with developer experience best practices will help you excel in this role.
As a Senior Systems Engineer at Cloudflare, you will play a crucial role in the development of the Durable Objects platform — your responsibilities will include designing and implementing systems that provide strong consistency and coordination across distributed environments. You will work closely with the development team to ensure that the platform meets the needs of developers and end-users alike.
You will be involved in the entire lifecycle of the systems you build — from initial design and architecture to deployment and monitoring. Your expertise will help guide architectural decisions and ensure that the systems are scalable, reliable, and secure. You will also participate in code reviews and provide mentorship to junior engineers, fostering a culture of learning and collaboration within the team.
Collaboration with cross-functional teams will be a key aspect of your role — you will work alongside product managers, designers, and other engineers to define requirements and deliver high-quality solutions that align with Cloudflare's mission. Your ability to communicate effectively will be essential in ensuring that all stakeholders are aligned and informed throughout the development process.
You will also have the opportunity to contribute to the improvement of existing systems — identifying areas for optimization and implementing changes that enhance performance and user experience will be part of your responsibilities. Your insights and recommendations will help shape the future of the Durable Objects platform.
At Cloudflare, you will be part of a dynamic and innovative team that is dedicated to building a better Internet. We offer a collaborative work environment where your contributions are valued and recognized. You will have access to professional development opportunities that will help you grow your skills and advance your career.
We believe in the importance of work-life balance and offer flexible working arrangements to accommodate your needs. Our hybrid work model allows you to work from home while also providing opportunities for in-person collaboration at our offices in Austin, Lisbon, and London.
In addition to competitive compensation, we offer a comprehensive benefits package that includes health insurance, retirement plans, and generous paid time off. You will also have the chance to participate in company-wide initiatives that promote diversity and inclusion, ensuring that everyone feels welcome and supported at Cloudflare.
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