Optical Systems Engineer (Photonics)

Location: On-site in Singapore or San Jose; willingness to travel approximately 20% of the time is required.

Company

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

What you will do

• Lead optical transceiver product design from concept through implementation.
• Define specifications and build end-to-end optical system models covering DSP, drivers, TIAs, lasers, Mach-Zehnder modulators, and photodetectors.
• Perform signal integrity analysis and simulate equalization techniques including FFE, DFE, MLSD, and pre-emphasis.
• Define verification requirements for transceivers and optical components.
• Analyze noise, crosstalk, non-linearity, reflections, and other high-speed optical link impairments.
• Run numerical and analytical simulations and correlate models with experimental module- and component-level data.

Requirements

• Experience designing transceivers and high-speed optical communication systems and components.
• Familiarity with direct-detection and coherent optical communication architectures.
• Experience modeling optoelectronic components such as lasers, modulators, photodiodes, DACs, ADCs, drivers, and TIAs using VPIphotonics, MATLAB, or Python.
• Knowledge of advanced DSP techniques, including FFE and DFE, and common impairments in high-speed optical links.
• Hands-on experience measuring high-speed optical components with oscilloscopes, spectrum analyzers, and related equipment.
• MS or PhD in Engineering, Physics, Optics, or a related technical field; strong communication skills required.

Culture & Benefits

• Comprehensive benefits package including health insurance.
• Professional development and certification opportunities.
• Access to advanced optical and photonics test environments and tools.
• Collaborative cross-functional work with IC, packaging, and reliability teams.