CTO / Chief Photonics Officer (Stealth Photonic Bio-sensing Venture) at Merantix Capital | Berlin, DE | Rezi

CTO / Chief Photonics Officer (Stealth Photonic Bio-sensing Venture) at Merantix Capital

CTO / Chief Photonics Officer (Stealth Photonic Bio-sensing Venture)

Merantix Capital · Berlin, DE

1 months ago

CTO / Chief Photonics Officer (Stealth Photonic Bio-sensing Venture)

Merantix Capital · Berlin, DE

2 months ago
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About the Role

You will own the photonic and detection stack from architecture through foundry to a working integrated reader, serving as the technical anchor to transform design intent into manufacturable, clinical-grade silicon.

Responsibilities

  • Photonic and detection architecture for the disposable chip and reader.
  • Foundry execution, including PIC, nano-optical, and microfluidic prototyping relationships, tapeout cadence, and yield, robustness, and tolerance management.
  • Collaborate with the automated multi-physics design engine, interrogate its output, catch unphysical behavior, and drive design-arounds.
  • Reader integration, including opto-mechanical, thermal, and electronics integration with the cartridge.
  • Develop a risk register to identify potential failures and engineer solutions for scalable manufacturing.
  • Contribute to hiring by leveraging your network for key technical hires in micro-fluidics, hardware/firmware, and instrumentation.

Requirements

  • PhD in silicon photonics or EE.
  • Demonstrable experience taking PIC designs to working silicon.
  • Personal experience taking multiple designs from layout to working silicon at a commercial photonics foundry.
  • Comfortable across photonic integration, photon-counting detection, and nano-optical component design.
  • Ability to interpret simulation and optimiser output as a co-pilot, not a black box.
  • Bonus: Prior experience in scientific instrumentation, bio-photonics, or biomedical optical engineering.

Skills

  • Silicon photonics
  • Photonic integration
  • Photon-counting detection
  • Nano-optical component design
  • Micro-fluidics
  • Hardware/firmware integration
  • Instrumentation
  • Opto-mechanical integration
  • Thermal integration
  • Electronics integration
  • Risk management
  • AI design tools
  • Multi-physics co-optimisation

Location

  • London

Work Type

  • Hybrid

Experience Level

  • Founding team level

Education Level

  • PhD

Salary/Compensations

  • Salary set at pre-seed close, calibrated to the round size and the role’s market reality at that point.

Benefits

  • Founding team-level equity

About the Company

  • Early-stage deep-tech photonic bio-sensing company combining silicon photonics, micro-fluidics, and applied AI.
  • Mission: To transition high-end optical instrumentation from central labs to low-cost disposable chips with compact readers.
  • Focus: Point-of-care diagnostics targeting a multi-billion-dollar market.
  • Values: Intellectual honesty, comfort with deep expertise, skepticism of black-box AI, bias to ship, direct communication, long-horizon patience, compassion, and trust.

Equal Opportunity

  • We are an equal-opportunity employer and value diversity. We consider all applications equally regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, or gender identity. We strongly encourage individuals from groups traditionally underrepresented in tech to apply.