Full-Time position in Valencia, SPAIN / Remote

We are looking for a firmware engineer to join our team in providing life-changing services for rural homes in sub-Saharan Africa and Asia. We help design life-changing products (solar kits, cookstoves, etc.) and build fintech and management software that allows distributors to provide essential services affordably using mobile payments to over 200,000 people, adding thousands more every month. 

We hope to do a lot more with an extra person on board!

We are expanding our technologies to partners (in over 25 developing countries up to date), and expect to impact millions of people over the next 3 years, across the Globe. 


Smart people

... who are firmware engineers
... excited to learn new things
... who are independent and flexible
... work well with others, listen and communicate clearly


  • It’s best if you already know C/C++

  • Experience developing complex firmware

  • Firmware architecture knowledge

  • Microcontroller programming experience (STM32 or MSP430) is preferable

  • Familiar with Agile methodologies is a plus

  • Basic Electronic skills (Reading a schematic, debugging a PCB)

If you’re missing some of that and think you still have the chops, we say go for it!

What’s the deal?

  • Start Date: TBC

  • Duration: Permanent/Long term.

  • Location: Ideally at our offices in Valencia, Spain but remote work can be arranged.

  • All business-related expenses paid.

  • Special travelling allowance to go meet your colleagues wherever they work from.

  • Fair compensation based on skills and experience


We’d love to hear from you. Please click “apply” to submit your resume and tell us why you’re excited to join us.

If you want to know a bit more about what we are doing you can check our website: and