Senior Software Application Engineer

Credo is engineering the future of high-speed connectivity for the AI-driven world. With a deeply rooted legacy of innovation and a passion for solving the most complex networking challenges, we deliver industry-leading solutions that power the next generation of cloud, AI, and hyperscale data centers.

Credo is pioneering a systems-level approach to connectivity, integrating hardware, software, and architecture to deliver holistic solutions. This strategy not only differentiates us in the market but also creates significant value for our customers by accelerating deployment, improving performance, and reducing complexity across their infrastructure.

At Credo, you’ll be part of a team of world-class technologists and engineers that thrive on pushing the limits of what’s possible for some of the world’s most important companies. Our portfolio includes cutting edge solutions including our software, optical DSPs, PCIe/CXL products, SerDes IP, and advanced Active Electrical Cables (AECs) all designed for maximum performance, energy efficiency, and scalability.

We foster a culture of technical excellence, collaboration, and continuous learning, where your ideas can shape the future of connectivity. From silicon architects to systems engineers, every role at Credo contributes to solving real-world problems at scale.

Join us and help us architect the next generation of disruptive networking technologies — because at Credo, We Connect.

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.

Primary 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

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

The base salary range for this position is $130,000 to $160,000 per year. The base salary ultimately offered is determined through a review of 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.

Credo is an Equal Opportunity Employer. We are 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.