Do you have a passion for systems and application performances? We are a growing team of experienced Engineers who are passionate about making Amazon.* web and mobile experiences fast and delightful to our users. Site performance is among the most direct contributors to user engagement and business results, and we are seeking an experienced Engineer to join a new, high-impact team focused on performance and efficiency spanning all products across Amazon website. We "hunt" for any optimizations opportunities without limits or borders and collaborate closely with Engineers and teams across the company to implement the best performance solutions. You'll work on a multifaceted and agile development team that isn't afraid to take big swings to get the best results. We believe that #perfmatters for our users and we love to try new things and learn from them. We grow by doing so and you will, too!As an Engineer on our team, you will own identifying applications efficiency opportunities (cost, latency, etc.) across the whole Amazon online store stack. From then, you will closely work with teams to drive or own the optimization end-to-end, from design to development and make sure it reaches our end-customers in a timely manner. Lastly, you will share learnings with other potential applicable use cases and with the rest of the community while providing tools and best practices for everyone to leverage (and our team to scale!).What is in it for you?- Low operational load: We do not directly own Tier-1 services or products which means no need to carry a pager other than when you launch your optimization.- Work life balance: Our team also puts a high value on work-life balance. Striking a healthy balance between your personal and professional life is crucial to your happiness and success here, which is why we aren't focused on how many hours you spend at work or online. Instead, we're happy to offer a flexible schedule so you can have a more productive and well-balanced life-both in and outside of work.- Impact: Work on an online experience that is being used, directly and indirectly, by millions of customers and has a meaningful impact to their functions and interactions.- Team culture: You'll be joining a fun team that prides itself on a great work environment with an inclusive group of people that loves working together towards a common goal.- Gratification: You will know you are directly responsible for solving real customer pain points.- Learn & Grow: You will learn and grow with challenges across multiple applications and stacks.A day in the life10am: We eat donuts12pm: We eat donuts4pm: We eat donuts5pm: We go home and exercise to eat more donuts tomorrowWe are open to hiring candidates to work out of one of the following locations:Seattle, WA, USA- 5+ years of non-internship professional software development experience- 5+ years of programming with at least one software programming language experience- 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience- Experience as a mentor, tech lead or leading an engineering team- 5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience- Bachelor's degree in computer science or equivalent- Performance optimization experience and mindsetOur compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $134,500/year in our lowest geographic market up to $261,500/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. Amazon is a total compensation company. Dependent on the position offered, equity, sign-on payments, and