Senior Software Application Engineer

Credo•San Jose, CA

1d•$130,000 - $160,000

About The Position

You will work in a fast paced, cross functional environment focused on validating high speed SerDes such as 400G, 800G, and 1.6T. The role involves electrical validation, automation development, interoperability testing, and system level debug. You’ll collaborate closely with hardware, firmware, and manufacturing teams to ensure robust performance across a variety of operating conditions. We welcome candidates with diverse backgrounds and experience levels who are passionate about high speed systems and eager to contribute to cutting edge development. Credo’s mission is to transform connectivity at scale through fast, reliable, and energy-efficient system solutions. Our high-speed copper and optical interconnect products deliver industry-leading power and performance at up to 1.6T to meet the ever-expanding data infrastructure demands of AI. Our product portfolio includes ZeroFlap (ZF) Active Electrical Cables (AECs) and ZF optical transceivers, OmniConnect memory solutions, and a suite of retimers and DSPs for optical and copper Ethernet and PCIe, all leveraging the PILOT diagnostic and analytics software platform. Credo innovations enable our customers to connect the systems that connect the world.

Requirements

Master’s degree in Electrical Engineering, Communications Engineering, Physics, or related field with 3+ years of relevant experience, OR Bachelor’s degree in Electrical Engineering, Communications Engineering, Physics, or related field with 5+ years of relevant experience.
Strong proficiency in C/C++ programming, or experience with Linux kernel internals, device drivers (I2C, SPI, PCIe, CAN, etc.), and board bring-up.
Fundamental knowledge of electrical engineering principles to support low-level debugging and collaborate with hardware teams.
Strong problem-solving skills and ability to work independently or in a team.
Excellent communication skills and ability to collaborate across hardware, firmware, and manufacturing teams.
Passion for high-speed signaling, system-level validation, and continuous learning.

Nice To Haves

Solid understanding of SerDes architecture, signal integrity, and high-speed link behavior.
Familiarity with DSP architecture and ability to write bring-up and tuning code.

Responsibilities

Debug and test chips with Credo’s chip design; modify existing firmware to create targeted test FW.
Provide in-depth technical support to resolve complex HW/SW problems using lab equipment (oscilloscopes, protocol analyzers, etc.).
Participate in new product testing and develop Python scripts for automation.
Create technical documentation such as application notes, user guides, and tutorials to help customers adopt products effectively.
Work closely with firmware development, hardware, and validation teams to improve products and enhance tooling.
Produce customer-facing documentation like handbooks and Application Notes with reference designs.