Engineering Manager, Workers Runtime

Cloudflare•San Francisco, CA

About The Position

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s 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 World’s 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 at Cloudflare. Come join us! Available Locations: Austin, Texas | Lisbon, Portugal | London, United Kingdom About the Team The Workers Runtime team delivers features and improvements to our Runtime which actually executes customer code at the edge. We care deeply about increasing performance, improving JS API surface area and compiled language support through WebAssembly, and optimizing to meet the next 10x increase in scale. The Runtime is a hostile environment - System resources such as memory, cpu, I/O, etc need to be managed extremely carefully and security must be foundational in everything we do. At the same time we want to provide the best offering for our customers coming from many different languages and ecosystems, built in idiomatic support for JavaScript, Node.js, Rust, Python and more on Workers is crucial for our success. What you'll do We are looking for an Engineering Manager to join our team. You will work with a team of passionate, talented engineers that are building innovative products that bring security and speed to millions of internet users each day. You will play an active part in shaping product features and providing the best APIs to make our runtime the best it can be. You will make sure our company hits our ambitious goals from an engineering standpoint. You will change the way people build applications. You bring a passion for meeting business needs by building technical, innovative solutions. You excel to understand how big-picture goals inform technical details. You thrive in a fast-paced iterative engineering environment and have experience in delivering scalable distributed systems. Most importantly, you have a track record of having past teams respect you as both a technical leader and manager.

Requirements

Experience leading a team
Comfortable leading and hiring a team that builds low level distributed systems.
Excel at planning, creating teams and overseeing execution to meet commitments and deliver with predictability
Comfortable building developer-loved APIs that scale
Demonstrate a track record of leading a team including hiring, on-boarding, and professional development. You inspire your team to reach higher. You’re as good as explaining “why” as you are “how”
Experience implementing tools, process, internal instrumentation, methodologies and resolving blockages
At least 4 years of recent professional experience with C++ or Rust.
Solid understanding of computer science fundamentals including data structures, algorithms, and object-oriented or functional design.
Deep understanding of the web and technologies such as web browsers, HTTP, JavaScript and WebAssembly

Nice To Haves

Experience building high performance distributed systems.
Experience working with cloud platforms, especially server-less platforms.
Experience with the internals of JS engines such as V8, SpiderMonkey, or JavaScriptCore
Experience with standalone WebAssembly runtimes such as Wasmtime, Wasmer, Lucet, etc
Deep Linux/UNIX systems, kernel, or networking knowledge
Contributions to large open source projects
Experience working in low-latency real time environments such as game streaming, game engine architecture, high frequency trading, payment systems.
Experience debugging, optimizing and identifying failure modes in a large-scale Linux-based distributed system.

Responsibilities

play an active part in shaping product features and providing the best APIs to make our runtime the best it can be.
make sure our company hits our ambitious goals from an engineering standpoint.
change the way people build applications.

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