Sr Software Engineer - BIOS, AWS Hardware Engineering, Firmware Development

Sr Software Engineer - BIOS, AWS Hardware Engineering, Firmware Development

Job :  | Amazon Development Center U.S., Inc.

The 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 boot loader 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 ARM
64 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.

• Design and implement custom UEFI/BIOS features for AWS server platforms
• Debug complex firmware issues using tools like ITP, Scan Tool, and JTAG
• Optimize boot time performance and platform initialization sequences
• Implement secure boot mechanisms and firmware security features
• Develop and maintain Power‑On Self Test (POST) code
• Create firmware update mechanisms and recovery solutions
• Work with hardware teams on board bring‑up and platform validation

AWS's custom server platforms require specialized firmware solutions that maximize performance, security, and reliability r BIOS developments will directly impact millions of servers running in AWS data centers worldwide, requiring unique optimizations that benefit our cloud infrastructure and customers.

• Work on cutting‑edge server platforms and next‑generation silicon
• Direct impact on AWS infrastructure efficiency and security
• Ownership of critical firmware components from design through deployment
• Collaboration with industry leaders in cloud computing
• Access to advanced hardware labs and debug equipment
• Opportunity to influence future server architecture decisions
• Work with a team of experienced firmware engineers
• Join a diverse engineering organization that values inclusive culture and innovative ideas

• Develop and maintain UEFI/BIOS code for server platforms
• Implement ACPI tables and power management features
• Create and maintain Platform Reference Code (PRC)
• Debug complex firmware issues using ITP, JTAG tools
• Work directly with ODM partners, coordinate BIOS development efforts, review and validate ODM‑provided BIOS code, and support manufacturing bring‑up and validation
• Interface with CPU/GPU vendors (Intel, AMD, Nvidia) for new platform bring‑up, integrate and rebase Reference Code packages, and support system validation and debugging
• Provide technical leadership in advanced features, mentor junior BIOS engineers, review technical specifications and design documents, lead architecture discussions and technical planning, and establish coding standards and best practices
• Coordinate between international teams (US and Taiwan), track project timelines and deliverables, and interface with product management and customer teams
• Maintain relationships with silicon vendors, participate in industry forums and standards bodies, and keep up with emerging technologies and industry trends

• 5+ years of non‑internship professional software development experience
• 5+ years of programming with at least one software programming language
• 5+ years of leading design or architecture of new and existing systems (design patterns, reliability and scaling)
• Experience as a mentor, tech lead or leading an engineering team

• 5+ years of full software development life cycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations
• Bachelor's degree in computer science or equivalent

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Base salary range:  –  USD annually. The package includes sign‑on payments and restricted stock units (RSUs). Final compensation is determined based on experience, qualifications, and location.