Field Application Engineer Intern (Hardware)

Location: Shanghai, Suzhou, or Wuhan, China; internship conducted at hirify.global Shanghai, Suzhou, or Wuhan offices.

Company

hirify.global develops semiconductor solutions for enterprise, cloud, AI, carrier, and optical data infrastructure applications.

What you will do

• Assist senior FAEs with customer schematic and layout reviews for PAM4 DSP, Coherent DSP, driver, and TIA components in optical modules, AEC, NPO, XPO, and CPO products.
• Support signal integrity and power integrity simulations.
• Participate in lab activities to tune and optimize customer products and improve performance.
• Support product bring-up, evaluation, performance testing, and hardware/software debugging.
• Assist with debugging issues in customer systems and contribute to customer support.
• Create and maintain technical documentation, FAQs, and internal training materials.

Requirements

• Currently pursuing a Master’s or Ph.D. degree in Integrated Circuit Design and Integrated System, Integrated Circuit Science and Engineering, Electronic Information Engineering, or a related field.
• Strong willingness to learn, effective communication skills, and a collaborative mindset.
• Availability to commit to an internship period of at least 4–6 months or longer.

Nice to have

• Fundamental understanding of or research experience with AMS high-speed SerDes, such as PAM4.
• Knowledge of analog TIA and driver chip design.
• Knowledge of optical communication systems.

Culture & Benefits

• Hands-on experience with PAM4 and Coherent ODSP technologies.
• Practical exposure to system-level bring-up and hardware/software co-debugging.
• Mentorship and technical guidance from experienced FAEs and U.S. engineering teams.
• Opportunity to learn about SerDes DSPs using 5nm, 3nm, and 2nm process nodes for 112G, 224G, and 448G applications.
• Full-time offer opportunity after successful internship completion and assessment.
• Collaborative, transparent, and inclusive work environment with compensation and benefits.

Hiring process

• Successful interns may receive a full-time offer after completing the internship with satisfactory performance and passing the assessment.
• Applicants must comply with interview integrity requirements prohibiting unauthorized AI tools during interviews.
• Access to export-controlled technology may require an export license review before employment.