Electronics Engineer

About us

Spore.Bio is a deeptech startup born in 2023, building a new paradigm in quality control systems for Food & Beverage, Cosmetics, and Pharmaceutical factories. After spending a lot of time in factory environments, we saw the pain it was to make sure products were safe. Traditional quality control has heavy constraints and long waiting times. To change that, we decided to build Spore.Bio , a new generation of microbiological testing. Our team is dedicated to developing a cutting-edge solution, based on advanced photonic and deep-learning technologies, to detect bacterial contamination within minutes.

About the role

Are you the engineer who wants to own a machine’s electronics end to end - from a blank schematic to a board humming inside a real instrument on a factory floor?

We’re looking for an Electronics Engineer to take ownership of the electronic hardware inside Louis, our flagship detection instrument. You’ll design the boards, integrate the system, and carry your work from an R&D prototype all the way to repeatable, manufacturable production. This isn’t a job description - it’s an invitation to build something.

Key Responsibilities

You own the electronics: schematics, layout, integration, and the transition to scale. You design for the bench and the production line in parallel, and you ensure the hardware performs flawlessly in the real world.

What You Will Do

PCB and electronics design

• Design mixed-signal PCBs end to end: schematic capture, layout, bring-up, and validation.

• Own the electronic subsystems - motor and actuator drive electronics, sensor and camera interfaces, and power supplies - from architecture to working boards.

• Debug at the bench with a scope, logic analyzer, and lab instruments, down to root cause.

System integration

• Own the electronic integration of the full instrument: cabling, harnesses, power distribution, and interconnects between subsystems.

• Ensure clean, reliable, serviceable integration between electronics, optics, mechanics, and the compute platform.

• Work closely with embedded-system constraints - you don’t own the firmware, but you understand it well enough to design hardware the embedded layer can drive effectively.

R&D and next-generation architectures

• Prototype and validate new electronic architectures for future versions of the platform.

• Make sound trade-offs between performance, cost, reliability, and manufacturability.

Industrialization and compliance

• Design for manufacturing and testability (DFM/DFT); support the transition from prototype to series production.

• Drive EMC and CE compliance, and contribute to machine safety (Machinery Directive) from the electronics side.

• Build the test fixtures, procedures, and documentation that make your designs reproducible at scale.
  

About you

Technical background

• Engineering degree in electronics engineering, mechatronics, or a related field.

• ~5 years of experience designing electronic hardware for real products - not just prototypes that never left the lab.

• Strong PCB design skills in Altium and/or KiCad : schematic, layout, and bring-up.

• Solid grasp of STM32 and embedded-system constraints - enough to design hardware around a microcontroller and collaborate closely with whoever owns the firmware.

• Hands-on experience with power supplies, motor/actuator drives, and sensor/camera interfaces.

• Working knowledge of EMC/CE and machine safety practices.

Nice to have

• Experience with scientific instruments.

• Experience managing EMS partners and subcontractors: files, reviews, quality, and lead times.

• Exposure to regulated environments (GMP, ISO).

Ways of working

• Autonomous, structured, and rigorous- you find problems, fix them, and build systems to prevent them.

• Comfortable spanning electronics, mechanics, optics, and software, and communicating precisely across all of them.

English proficiency required. French is a plus.

Why join us?

• Real scope: you own the electronics of the instrument, from R&D architecture to production hardware.

• Novel technology at the intersection of biophotonics, AI, and industrial automation—there’s nothing quite like it.

• A technically serious environment with strong R&D foundations and the commercial momentum to scale internationally.

Location: Paris, on-site.

What we offer

We believe that flexibility and trust are important parts of a company. Our work environment reflects this:

• Flexible remote: if you live in Paris, you can work from our office or from home with no constraints.

• Remote work equipment: a dedicated budget to set up your workspace.

• Gymlib subscription to stay in shape wherever you are.

• Premium health insurance (Alan) for comprehensive coverage.

• Swile card for your meals, if you are based in France.

Recruitment process

1. Fit interview (~30 min): a call to get to know each other, your experience, and what drives you.

2. Technical case study (take-home + presentation): a hands-on challenge close to the problems you’d face here—board design, integration, or debug. We care about your reasoning and instincts, not textbook answers.

3. Culture-fit discussion with one Spore.Bio collaborator.

4. On-site interview + lab visit + founders meeting: At our Paris office. You meet the founders, visit the lab and assembly area, and see Louis in action.