Physical Design Engineer

Annapurna Labs, an Amazon team, designs and delivers high-end, custom silicon at the heart of AWS. Our chips don't just support the cloud — they define it. From Trainium, the purpose-built ML accelerator driving the next wave of AI innovation, to Graviton, the Arm-based server processor redefining price-performance for compute workloads, to Nitro, the advanced network and cloud management controller that underpins every AWS instance — Annapurna's products set the standard for the industry. Founded by industry veterans and operating as a fabless semiconductor company within AWS, Annapurna Labs combines the agility of a startup with the scale of the world's largest cloud provider. Our engineers work with cutting-edge technologies to innovate and shape the future of cloud computing- designing the leading-edge semiconductor products that power Amazon's infrastructure. Here, you'll experience a fast-paced environment with continuous learning opportunities and the chance to develop next-generation platforms. Exciting opportunity to join Amazon in developing its next generation products for the cloud market. We are looking for talented people to join us, as leaders in our excellent Physical Design team, adopting super advanced process nodes, mentoring team members, and further developing our implementation methodologies. Watch These Videos To Learn More About Annapurna Labs AWS re:Invent 2025 - Keynote with Peter DeSantis and Dave Brown: https://www.youtube.com/watch?v=JeUpUK0nhC0 AWS re:Invent 2025 - Deep Dive into the AWS Nitro System https://www.youtube.com/watch?v=cD1mNQ9YbeA AWS re:Invent 2025 - AWS Graviton https://www.youtube.com/watch?v=haSHl2BLhm8 Key job responsibilities • Daily involvement in all aspects of physical design chip development (RTL2GDS), including floorplanning, synthesis, clock tree synthesis, place and route, static timing analysis, power and noise analysis, physical verification testing, and equivalence checks. • Being actively engaged in design-backend convergence aspects and defining timing constraints. • Taking full end-to-end responsibility for the physical design of macros and clusters level, according to specifications, under challenging constraints, with focus on optimizing power, area, and performance. • Participation in the development of design flows, using a variety of EDA tools and vendors such as Synopsis and Cadence. • Engaged in defining implementation and signoff methodologies. A day in the life Your day will be filled with dynamic technical challenges that push the boundaries of semiconductor design. You'll collaborate with cross-functional teams, diving deep into intricate physical design processes, and translating complex architectural concepts into tangible technological solutions. Expect to engage in cutting-edge problem-solving that requires both creative thinking and precise technical execution. About The Team We are a passionate group of engineers dedicated to developing revolutionary semiconductor technologies. Our team thrives on innovation, collaboration, and the opportunity to create technologies that will impact global cloud computing infrastructure. We value diverse perspectives and believe that breakthrough innovations emerge from inclusive, supportive environments. Diverse Experiences Amazon values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying. Why AWS Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. Work/Life Balance We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why flexible work hours and arrangements are part of our culture. When we feel supported in the workplace and at home, there’s nothing we can’t achieve in the cloud. Inclusive Team Culture AWS values curiosity and connection. Our employee-led and company-sponsored affinity groups promote inclusion and empower our people to take pride in what makes us unique. Our inclusion events foster stronger, more collaborative teams. Our continual innovation is fueled by the bold ideas, fresh perspectives, and passionate voices our teams bring to everything we do. Mentorship and Career Growth We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional. Basic Qualifications • Understanding the entire physical design flow (“RTL to GDS”) • Deep understanding of sign-off activities (timing and physical verification) • Experience in advanced nodes technologies and Implementation tools • Process and technology oriented • Leadership and mentoring skills