• Lead electronics design & optimization – from concept to final product, with a focus on (DC-DC) power electronics and control. –

• Hands-on product testing – stress test our products in every way imaginable, identify weaknesses, and propose improvements.

• Build and improve testing tools/jigs – both for our lab and production environments.

• Troubleshoot complex issues – analyse problems, test hypotheses, and develop robust, cost-effective solutions.

• Collaborate with internal teams & freelancers – ensure electronics integrate seamlessly with firmware, mechanics, and production needs.

What you will bring

• Proven track record (5+ years) in electronics design and testing, ideally in small-scale power electronics.

• Strong skills in DC-DC converter design, including inductor/filter calculations and control strategies.

• Proficiency with electronics simulation and design tools (e.g., LTspice, Altium/KiCad).

• Analytical, hands-on problem-solving approach and ability to work independently.

• Bachelor’s or higher in Electronics Engineering (or equivalent experience).

• Professional proficiency in English; Other skills you’ll bring:

• Comfortable collaborating in a fast-moving, scale-up environment.

• Able to communicate complex technical findings clearly to technical and non-technical stakeholders.

Do you feel you don’t match every single bullet point? That’s okay – we encourage you to apply anyway if you believe you’d be a great fit for this role and can help us achieve our mission. We are proud to be an environment with more than 10 nationalities, embracing diverse perspectives and creating a workplace where everyone feels they belong. Your unique background and experience could be exactly what we need to make a difference.

Perks of working with us:

• A salary that matches your experience (€5500 – €6500 gross per month ) and 8% vacation pay.

• €500,- a year to spend on your professional development.

• Travel allowance, fresh daily lunches, snacks, monthly drinks and an informal office in a nice location near Breda station.

• A multicultural, international and welcoming team environment with colleagues in the Netherlands, Africa, and China, 15 nationalities. Our diversity brings us closer and makes us better.

• Plenty of chances to take on more responsibility, like managing sub-funds or leading a team.

• You'll have the autonomy to work on projects that spark your interest and get the chance to be part of a movement that's changing lives.

Recruitment process:

• Meet Evan (Technology Director) & Pieke (Technical Support Manager) to dive deeper into your skills and the cultural match.

• An assignment to get better insights in your way of working, and for you to get better insights of what to expect of the job.

• A more in-depth second interview in person with Evan(Technology Director)& Thomas (Test Engineer) at our Breda office.

About Spark

Spark is building the ecosystem for tomorrow's energy networks, and that's an interesting challenge. There is so much to do. We are constantly adding distributors in new countries to our network. Spark Kits are made for every market. Emerging markets are where off-grid technology has the most potential and impact. We are continuously developing innovative product solutions that we sell to local distributors in Africa. We are building our own software platform to facilitate payments over time, so we can reach people at the bottom of the pyramid. Our growth ambitions are serious because we are here to make a lasting impact.