Senior Software Development Engineer

Senior Software Development Engineer - BIOS, AWS Hardware Engineering, Firmware DevelopmentThe AWS BIOS Engineering team creates and maintains custom firmware solutions for Amazon's innovative server platforms. Our BIOS/UEFI implementations are industry-leading in security, performance, and operational excellence, and are critical to the success of AWS's massive-scale infrastructure that millions of customers rely on daily. Our BIOS engineers solve complex firmware challenges and build robust, secure bootloader solutions that enable AWS to maintain its competitive edge in cloud computing.The ideal candidate will be an innovative self-starter with deep expertise in UEFI/BIOS development. You will be a firmware specialist with comprehensive knowledge of x86 and ARM64 architecture, secure boot implementations, and low-level system programming. You will gain intimate understanding of AWS's custom server firmware stack and analyze it for both current needs and future scalability. You will leverage your system-level expertise to find optimal solutions to complex boot-time challenges. You will collaborate with internal teams (hardware, validation, security) and external partners (silicon vendors, ODMs) while leading critical firmware development efforts.What you will do:Design and implement custom UEFI/BIOS features for AWS server platformsDebug complex firmware issues using tools like ITP, ScanTool, and JTAGOptimize boot time performance and platform initialization sequencesImplement secure boot mechanisms and firmware security featuresDevelop and maintain Power-On Self Test (POST) codeCreate firmware update mechanisms and recovery solutionsWork with hardware teams on board bring-up and platform validationWhy it matters:AWS's custom server platforms require specialized firmware solutions that maximize performance, security, and reliability at scale. Your BIOS developments will directly impact millions of servers running in AWS data centers worldwide, requiring unique optimizations that benefit our cloud infrastructure and customers.Why you will love it:Work on cutting-edge server platforms and next-generation siliconDirect impact on AWS infrastructure efficiency and securityOwnership of critical firmware components from design through deploymentCollaboration with industry leaders in cloud computingAccess to advanced hardware labs and debug equipmentOpportunity to influence future server architecture decisionsWork with a team of experienced firmware engineersJoin our diverse engineering organization where you'll help deliver the firmware foundation for AWS's global infrastructure. You'll experience an inclusive culture that welcomes innovative ideas and empowers you to own complex technical challenges through to completion.Key job responsibilitiesCore Technical ResponsibilitiesDevelop and maintain UEFI/BIOS code for server platformsImplement ACPI tables and power management featuresCreate and maintain Platform Reference Code (PRC)Debug complex firmware issues using ITP, and JTAG toolsODM/OEM CollaborationWork directly with ODM partnersCoordinate BIOS development effortsReview and validate ODM-provided BIOS codeSupport manufacturing bring-up and validationPlatform IntegrationInterface with CPU vendors (Intel, AMD) for new platform bring-upIntegrate and rebase Reference Code packagesSupport system validation and debuggingLeadership ResponsibilitiesProvide technical leadership in advanced featuresMentor junior BIOS engineersReview technical specifications and design documentsLead architecture discussions and technical planningEstablish coding standards and best practicesProject ManagementCoordinate between international teams (US and Taiwan)Track project timelines and deliverablesInterface with product management and customer teamsEcosystem ManagementMaintain relationships with silicon vendorsParticipate in industry forums and standards bodiesKeep up with emerging technologies and industry trendsAbout the teamWhy 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.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.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 we strive for flexibility as part of our working culture. When we feel supported in the workplace and at home, there’s nothing we can’t achieve in the cloud.Inclusive Team Culture: Here at AWS, it’s in our nature to learn and be curious. Our employee-led affinity groups foster a culture of inclusion that empower us to be proud of our differences. Ongoing events and learning experiences, including our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences, inspire us to never stop embracing our uniqueness.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 Qualifications5+ years of non-internship professional software development experience5+ years of programming with at least one software programming language experience5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experienceExperience as a mentor, tech lead or leading an engineering teamPreferred Qualifications5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experienceBachelor's degree in computer science or equivalentOur inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.#J-18808-Ljbffr