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Senior High-speed Photodiode Design Engineer

W3Global
Cupertino, CA Full Time
POSTED ON 3/27/2026
AVAILABLE BEFORE 4/24/2026
Job Description

We are seeking highly skilled technical professionals to play key roles in designing and collaborating with foundry partners to develop new products for volume manufacturing. We offer a highly competitive compensation package along with comprehensive benefits, including healthcare, H1B/Green Card sponsorship, and a 401(k) plan.

Key Responsibilities

  • Design and develop epitaxial (epi) structures for high-speed photodiodes (100G/lane and above)
  • Generate mask layouts for device fabrication
  • Perform data analysis to establish correlations between device performance and design parameters
  • Conduct failure analysis to identify and resolve issues impacting functionality and performance
  • Collaborate closely with internal teams and external partners, including epitaxial, integration, and packaging/testing engineers, to drive product development and quality improvements
  • Participate in limited travel as required

Qualifications

  • Ph.D. in Electrical Engineering, Materials Science, Optics, Physics, or a related field (semiconductor/laser industry experience required)
  • 5 years of relevant industry experience preferred
  • Hands-on experience designing high-speed photodiodes is required; experience with 200G PD or UTC design is highly preferred
  • Proven track record of successful high-volume production delivery is a plus
  • Experience in wafer processing, packaging/testing, epitaxial characterization, reliability, and failure analysis is preferred
  • Strong knowledge of photodiode physics and modeling
  • Self-motivated, dependable, and a strong team player

Salary.com Estimation for Senior High-speed Photodiode Design Engineer in Cupertino, CA
$163,224 to $183,344
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