Senior Software Performance Engineer (Cloudfront)

3+ months agoSeattle, WA


Do you enjoy watching the latest movies, television shows, or sporting events on your computer, tablet or smartphone? Do you hate waiting for your pages to load or your show to re-buffer? Do you want to contribute to systems that deliver a flawless experience in serving video from the edge? Good - us too.

AWS CloudFront is looking for experienced Software Performance Engineers to join our team in beautiful Seattle, WA. We offer comprehensive relocation and benefit packages.

At AWS CloudFront, working on systems with global scale is a daily part of the job. We solve hard problems. We build reliable, scalable, low-cost systems that serve our ever-growing customer base. We are constantly shipping features that drive innovation in the CDN market. We deliver an elegant geo-distributed platform to serve not only video from the edge, but a wide variety of use cases.

• Are a fast-growing, agile and collaborative group of technologists from diverse backgrounds
• Are inventors and owners, building new technologies and improving existing ones
• Obsess over our customer's needs and experience
• Enjoy the prototyping and tinkering stages, as well as the rigor of making solutions production-ready
• Perform performance analysis and optimization of our systems and infrastructure
• Partner with leadership and various teams to build out core infrastructure that can scale
• Help our team identify the gaps and rebuild them for improved throughput
• Enjoy seeing the impact your work has on real customers
• Are comfortable in an agile environment and understand the importance of working/developing iteratively
• Enjoy being part of a strong team of technologists and collaborating with them to build BIG things
• Want to create services at a massive scale used by millions of people
• Are naturally curious about how systems operate at scale and think of ways to constantly improve those systems


• 4+ years of professional software development experience
• 3+ years of programming experience with at least one modern language such as Java, C++, or C# including object-oriented design
• 2+ years of experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems


• Computer Science fundamentals in data structures, algorithm design and analysis
• Solid understanding of distributed, scalable systems
• Web services design and implementation experience
• Expert skill in one modern programming language such as Rust, C, C++, or Java, and proficiency with one other programming language
• Experience building complex software systems that have been successfully delivered to customers
• Knowledge of professional software engineering best practices, including coding standards, code reviews, source control management, build processes, testing, and operations
• Ability to take a project from scoping requirements through launch
• Thorough understanding of Internet protocols such as HTTP, DNS, TCP, and UDP
• Experience implementing servers in a Linux environment
• Experience diagnosing and debugging application performance on Linux
• Experience diagnosing and debugging network performance issues with TCP and/or UDP.
• Familiarity with performance / profiling tools on Linux
• Excellent communication skills
• Meets/exceeds Amazon's leadership principles requirements for this role
• Meets/exceeds Amazon's functional/technical depth and complexity for this role

Amazon is committed to a diverse and inclusive workplace. Amazon is an equal opportunity employer and does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. For individuals with disabilities who would like to request an accommodation, please visit

Job ID: Amazon-1467853