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Junior Optoelectronics / Hardware Engineer Trainee

2402 Flextronics Design S.r.l.

Milan, Lombardy, Italy Full time June 20, 2026

Found Description

Job Summary

Join a multidisciplinary team working on innovative in-vitro diagnostic (IVD) systems based on optical and fluorescence detection technologies. As a Junior Optoelectronics / Hardware Engineering Trainee, you will contribute to the development of optoelectronic architectures, including light excitation, optical path, and signal detection.

What a typical day looks like:

  • Support design and development of optoelectronic systems for fluorescence-based devices.
  • Contribute to excitation source selection (LED vs laser, wavelength matching, stability).
  • Assist optical chain definition (filters, dichroic mirrors, lenses).
  • Support sensor and detection electronics (photodiodes, CMOS, APD, PMT exposure).
  • Participate in lab activities (optical measurements, SNR evaluation, debugging).
  • Contribute to signal acquisition and basic processing (ADC, filtering, calibration).
  • Collaborate with hardware, fir...
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