Senior Systems Engineer, AI Tooling

Position Title: Senior Systems Engineer, AI Applications Tooling

At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the worlds largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code.

Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the Worlds Most Innovative Companies by Fast Company.

We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new skills, and we are ready to help you do that. We cannot complete our mission without building a diverse and inclusive team. We hire the best people based on an evaluation of their potential and support them throughout their time e join us!

We are building a new, high-impact team of AI application experts to define, drive, and develop our AI solutions, from AI observability to autonomous intelligent agents. As a Senior AI Engineer, you will be instrumental in defining Cloudflare’s AI strategy, leading critical projects such as LLM-powered code generation, AI observability, and edge-optimized model inference. This role requires bringing cutting‑edge AI capabilities to our developer platform and will involve setting the technical direction for high‑performance, scalable AI applications that push the boundaries of what’s possible on the web.

Our team is part of Cloudflare's Emerging Technology and Incubation (ETI) team where new, bold products are built and released within Cloudflare. Rather than being constrained by the structures which make Cloudflare a successful business, ETI leverages our network to deliver entirely new tools and products to our customers. Our most successful endeavors include the Cloudflare development platform, which is composed of Cloudflare Workers, Durable Objects, R2, D1, and many other developer products.

As a Senior member of the AI Applications team, you will own and strategically shape the future of AI‑powered applications on our platform. You will work across Cloudflare’s stack, collaborating with teams to define, build, and optimize mission‑critical AI solutions that enhance developer experience, security, and performance.

To this end, you will:

• Lead the development of high‑impact AI‑powered tools and integrations that enhance the developer experience, such as AI‑assisted code generation and debugging.
• Design, architect, and implement AI observability solutions to improve model monitoring, explainability, and performance optimization at scale.
• Drive cross‑functional efforts to integrate AI into Cloudflare’s developer platform, ensuring optimal scalability and efficiency.
• Mentor and champion best practices, engaging with the broader AI and developer community, contributing to open‑source projects, technical documentation, and blog posts.
• Work across Cloudflare’s ecosystem to identify and evaluate new AI opportunities, influence technical direction, and drive adoption of AI technologies.
• If applicable to ongoing projects, you may also participate in an on‑call rotation to support critical AI‑powered services.

• 5+ years of professional experience in software engineering, with significant focus on building and deploying AI applications in a production environment.
• Proven experience in building and optimizing AI applications, with a deep understanding of LLMs, model inference, and AI‑powered developer tools.
• Expertise in tackling complex debugging challenges, optimizing AI workloads, and working with large‑scale…