Salary €3,000 - €5,000
Equity To be negotiated

Kapacity.io is an early-stage energy optimisation company backed by Y Combinator. We're hiring a Software Engineer to join our growing tech team. We’re searching for a person with a curious mindset and with skills in designing, building and operating computation and automation systems.


Our service enables building owners to reduce energy costs and emissions. In practice, the product controls and shifts electricity consumption in buildings based on electricity prices and renewable energy production in the power grid.


We are looking for a problem-solver and a team-player with some essential skills, as set out below. 

Essential skills and experience:

  • Software development in at least one Object-oriented language (Python or C++, etc.)

  • Developing software/products in cloud environments (AWS, Google Cloud or Azure)

  • Ambition to build great products.

In addition, experience in one or more of the following areas would be considered beneficial:

  • Databases (SQL, NoSQL)

  • Data science and analytics (Python, R)

  • Experience in developing API's (fastAPI, Flask, etc.)

  • Working with Linux environments

  • Setting up networking and server set-ups

  • Building and/or home automation systems (Modbus, BACnet, Z-Wave etc.)

  • Machine learning or Artificial Intelligence (Tensorflow, Keras, PyTorch)


On top of a competitive compensation, including employee stock options, we offer you the chance to grow professionally and have the freedom to work the way you like. Your specific title, responsibilities and tasks will be negotiated based on your experience and own preferences.

The office language is English. We are happy to support you if you are interested in learning Finnish or any other new language. As we are recruiting for early employees, we do require that you are able to frequently work with the team at our Helsinki office. Remote work is possible on a regular basis, but we strongly believe that being present at the office helps build the company culture.

The company was founded to increase the use of renewable energy with less costs. Join our growing and ambitious team of diverse personalities and have a front-row seat in the upcoming energy transformation!

For more information or questions please contact us at jaakko@kapacity.io or phone number +358503226552

Perks and benefits

This job comes with several perks and benefits

Flexible working hours
Flexible working hours

Time is precious. Make it count. Morning person or night owl, this job is for you.

Free coffee / tea
Free coffee / tea

Get your caffeine fix to get you started and keep you going.

Near public transit
Near public transit

Easy access and treehugger friendly workplace.

Maternity / paternity leave
Maternity / paternity leave

Kids are the future, go spend time with them.

Remote work allowed
Remote work allowed

You know how you perform best. Work from your couch, your favorite cafe or abroad when you feel like it.

Paid holiday
Paid holiday

Metropolitists, beach boys and mountaineers we salute you and pay you to go and explore the world.

See all 14 benefits

Working at
Kapacity.io

Kapacity.io is building the future of smart energy grids with an electricity Load Balancing service focused on buildings. By shifting electricity consumption to periods of lower electricity prices and higher renewable energy production, our customers pay less for electricity and emit less CO2 in their buildings. By combining these buildings into a Virtual Power Plant, Kapacity.io also participates in power grid balancing to help keep our lights on during moments of high energy demand. Our customers are building owners, asset managers and energy companies who use Kapacity.io to reduce energy costs & emissions in their building portfolios. Buildings are responsible for 30% of global CO2-emissions. Our mission is to push that down to zero. We are looking for talented and passionate individuals to achieve this goal together with us.

Read more about Kapacity.io

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