Optoelectronics Development Engineer (m/f/d)

Posted on June 5, 2026
Dusseldorf
Posted on June 5, 2026

About this role

Key Responsibilities

Core Responsibilities

  • Conduct research and development on the design, prototyping, evaluation, and performance improvement of ceramic-based light-emitting devices

Detailed Responsibilities

  • Develop ceramic light-source structures, including material selection, structural design, and thermal design
  • Perform optical, electrical, and thermal measurements and evaluate device performance
  • Integrate emitter chips with ceramic substrates through bonding and packaging processes
    • Examples: AuSn eutectic bonding, Ag sintering, wire bonding, etc.
  • Analyze experimental data, prepare reports, and present results
  • Collaborate with manufacturing, process, and packaging engineers
  • Conduct reliability testing, failure analysis, and long-term performance evaluation
  • Participate in technical discussions and design reviews
  • Manage laboratory equipment, ensure safety compliance, and contribute to continuous process improvement

Qualifications

Requirements

  • Bachelor’s or Master’s degree in Electrical Engineering, Electronic Engineering, Optoelectronics, Materials Science, Physics, or a related field
  • Experience in the development of light-emitting devices such as LEDs or laser diodes
  • Understanding of semiconductor fundamentals
  • Knowledge of thermal design and high-power device design
  • Experience in optoelectronics packaging
  • Skills in optical, electrical, and thermal evaluation

Language Skills

  • Japanese: JLPT N2 level or higher
  • English or Chinese (for technical communication)
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