BIOS Development Engineer

Two95 International Inc.; Bengaluru; On-site; INR 1,200,000 - 6,000,000; Full time

Job summary

Two95 International Inc. in Bengaluru, India, seeks an experienced BIOS engineer to lead x86 BIOS/UEFI development across platform bring-up. You will work with AMI/Insyde/Phoenix/Coreboot/EDK II codebases and contribute to bootloader integration for modern hardware.

The role requires expert C programming, deep knowledge of UEFI stages (SEC, PEI, DXE, BDS), and hands-on debugging with BIOS tools. You will read hardware specs for porting, collaborate across teams, and push firmware that

Qualifications

• Expert-level C programming and strong x86 BIOS/UEFI development experience.
• Extensive knowledge of BIOS codebases: AMI, Insyde, Phoenix, Coreboot, EDK II.
• Deep understanding of x86 CPU/APU architectures and compilation tools.
• Experience with BIOS platform bring-up and UEFI boot stages (SEC, PEI, DXE, BDS).
• Familiarity with PCDs, UPDs, memory maps, SPI ROM, FSP, device trees, and BIOS hand-off.
• Knowledge of BIOS interaction with EC, BMC, security processors, and power-management firmware.
• Experience with I2C, PCIe, SPI, eSPI, ACPI, SMM, IPMI, and UEFI interfaces.
• Hands-on hardware debugging with tools like HDT, BIOS Debugger, ITP, or Arium.
• Experience with Coreboot and FSP, and Coreboot payloads (EDK II, SeaBIOS, U-Boot, LinuxBoot, TianoCore).
• Exposure to AHCI, SATA, NVMe UEFI bootloaders/applications and porting work.
• Ability to read hardware specs for platform/mainboard porting and pre-silicon environments.

Education

Bachelor’s degree in Computer Science Engineering

Master’s degree would be an advantage

Tools

Git

Job description

Mandatory Skills

• Experience in x86 BIOS/UEFI development.
• Strong understanding of x86 CPU/APU architectures and compilation tools.
• Expert-level C programming.
• Experience with at least one BIOS codebase: AMI Insyde Phoenix BIOS Coreboot EDK II
• Experience preparing BIOS for platform bring-up.
• Understanding of UEFI boot stages: SEC, PEI, DXE, and BDS.
• Knowledge of PCDs, UPDs, memory maps, SPI ROM, FSP, device trees, and BIOS hand-off to the OS bootloader.
• Understanding of BIOS interaction with EC, BMC, security processors, power-management firmware, and memory-training firmware.
• Working knowledge of I2C, PCIe, SPI, eSPI, ACPI, SMM, IPMI, and UEFI.
• Experience with hardware-debugging tools such as AMD HDT, BIOS Debugger, ITP, or Arium.
• Experience with Coreboot and FSP source code.
• Experience with Coreboot payloads such as EDK II, SeaBIOS, U-Boot, LinuxBoot, and TianoCore.
• Experience with UEFI bootloaders or UEFI applications involving AHCI, SATA, or NVMe.
• Ability to read hardware and processor specifications for platform or mainboard porting.
• Exposure to pre-silicon BIOS development using simulation or emulation environments.
• Exposure to Synopsys ZeBu, Cadence Palladium, or Siemens Veloce.

Additional Skills

• Git knowledge for code reviews, source-code management, and BIOS releases.
• Strong understanding of SATA, NVMe, AHCI, PCIe, SPI, eSPI, and IPMI.
• Strong understanding of ACPI, SMM, x86-64 architecture, and UEFI BIOS boot flow.
• Experience with Android UEFI-based bootloaders would be advantageous.
• Ability to manage multiple tasks and custom BIOS requirements.

Education

• Bachelor’s degree in Computer Science Engineering.
• A relevant master’s degree would be an advantage.