Senior Software Application Engineer

San Jose OfficePermanent$130k–$160kPosted Jun 17, 2026

About the role

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.
 
Base salary range is $130,000 – $160,000 a year. The base salary offer will depend on factors such as education, experience, training, skills, qualifications, and location. This position is also eligible for a discretionary bonus, equity and a full range of medical and other benefits.
 
Why Credo
  • Purpose: We invest in what matters. From meaningful-future shaping projects to competitive compensation, we empower you to grow your career while making a lasting impact.
  • People: Connection starts within. We collaborate, celebrate wins, and create an environment where everyone can do their best work.
  • Possibilities: Our belief shapes what’s next. Our technology powers the most reliable and energy-efficient connections around the world – and our team powers new products and markets that come next.

Qualifications

Basic Qualifications
  • 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.
      
Preferred Qualifications
  • 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.

About Credo

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.
 
Credo is committed to creating an inclusive environment for all employees and welcome applicants from diverse backgrounds without regard to race, color, religion, gender, sex, sexual orientation, national origin, genetic information, age, disability, veteran status, or any other legally protected basis.  If you have a disability or special need that requires accommodation to navigate our website or complete the application process, email people@credosemi.com.

Want jobs like this matched to you?

Swoopd scores fresh postings against your résumé so you only see the matches that matter.

Get started free