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# Senior Staff Software Engineer

- **Company:** Dustphotonics, Inc.
- **Location:** San Jose, CA, United States
- **Experience:** Expert
- **Salary:** $140,000.0 - $210,000.0
- **Contract:** Permanent contract
- **Skills:** Automation of Tests, C++ (Programming Language), Computer Engineering, Continuous Integration, Data Centers, Linux, Python (Programming Language), Systems Development Life Cycle, Signal Integrity, Software Engineering, System Testing, Visual Systems, IEEE 802.3, Computer Network Operations, Juniper, Information Technology, Statistics Packages, Restful APIs, Data Pipelines
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-staff-software-engineer-san-jose-ca--82d29c7a-9e00-45f2-9b5b-9bac68df6cf5

## About the Role

Software Engineering, Software Engineering, Laboratory Automation, Network Operations Center, Test Equipment, Scalable System Development, Electrical Components, System Validation, Software Development, Energy Efficiency, * B.S. or M.S. in Electrical Engineering, Computer Engineering, Computer Science, or Photonics.

 * 8+ years of experience in test automation, instrumentation, or optical systems.
 * Strong proficiency in Python and/or C++.
 * Hands-on experience with SCPI, PyVISA, and Linux.
 * Hands-on experience with DCAs, VNAs, optical switches, and VOAs.
 * Working knowledge of PAM4, signal integrity, and optical link budgets.
 * Experience with QSFP-DD and OSFP modules at 400G, 800G, and 1.6T.

Preferred Qualifications

 * Experience automating Arista EOS, SONiC, or Cumulus Linux.
 * Familiarity with IEEE 802.3 and OIF specifications.
 * Experience with high-volume validation or manufacturing test systems.

## Description

Credo is seeking a Senior Staff Software Engineer to lead the development of scalable software systems for automated validation of 800G and 1.6T OSFP and QSFP-DD optical modules. You'll architect lab automation frameworks, integrate advanced optical and electrical test equipment, and define the next-generation validation infrastructure that enables rapid deployment of Credo's high-speed data center interconnect products., * Architect and develop lab automation frameworks in Python and C++.

 * Integrate and control instrumentation using SCPI, VISA, and REST APIs.
 * Automate testing with DCAs (eye, jitter, TDECQ) and VNAs (S-parameters).
 * Develop workflows with optical switches and VOAs for margin and sensitivity testing.
 * Enable system-level validation across Arista EOS, NVIDIA (Cumulus/SONiC), and Juniper platforms.
 * Automate 800G and 1.6T traffic and breakout modes using traffic generators.
 * Build data pipelines, dashboards, and statistical analysis tools for test results.
 * Lead distributed lab orchestration, CI/CD integration, and test infrastructure.