DSP Engineer (Photonics)

Location: San Jose, United States

Company

hirify.global is a well-funded startup developing photonics infrastructure for AI supercomputing, including optical interconnects and scalable photonic engines.

What you will do

• Develop advanced measurement techniques and DSP algorithms for ultra-high-speed optical and electrical signaling systems.
• Improve TECQ/TDECQ measurement accuracy and related algorithms for reliable product development results.
• Support measurement work aligned with IEEE 802.3 standards and contribute to Functional Receiver measurement initiatives.
• Research and build tools for ultra-high-speed serial data applications in AI infrastructure.
• Drive hardware improvements to reduce timebase jitter toward 100 fs from current architectures above 250 fs.
• Collaborate across engineering, research, and product teams while serving as a subject matter expert in high-speed serial measurements.

Requirements

• Strong expertise in digital signal processing for high-speed serial data measurements.
• Hands-on hardware design experience with high-speed measurement systems, optical transceivers, or related photonics and electrical test platforms.
• Experience with advanced measurement algorithms, signal integrity, jitter analysis, and high-bandwidth instrumentation.
• Familiarity with IEEE 802.3 measurement methodologies and optical communication standards.
• Ability to translate complex measurement challenges into practical algorithms, tools, and hardware improvements.
• Strong communication skills for cross-functional engineering and research collaboration.

Nice to have

• Experience with TECQ/TDECQ measurements, equalization, waveform processing, and receiver modeling.
• Background in optical communications, high-speed SerDes, photonics, or AI infrastructure interconnect technologies.
• Experience developing measurement automation tools, test platforms, or custom instrumentation workflows.
• Advanced degree in Electrical Engineering, Photonics, Applied Physics, or a related discipline.

Culture & Benefits

• Competitive salary based on experience.
• Comprehensive health insurance and benefits package.
• Professional development opportunities and certification support.
• Access to cutting-edge technology and cloud platforms.
• Collaborative environment with cross-functional teams.