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The smart network where hbo and wo students find their internship and first job.

Software Developer

Posted 12 May 2024
Work experience
0 to 7 years
Full-time / part-time
Job function
€3,500 - €4,700 per month
Degree level
Required language
Dutch (Fluent)

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Do you like to code and tinker with hardware and are you ready to work with some serious high-power hardware, then this vacancy is for you!

What you'll be doing

Our mission is to optimize local energy usage by delivering smart and flexible battery storage. You’ll ensure seamless operation of the battery system, smooth maintenance experience for our service engineers and contribute to our user experience. Your work is crucial in enhancing our system’s flexibility and reliability, directly contributing to our mission of advancing sustainable energy.

As a software engineer, you will be part of the Software team. The team consists of software developers, a product owner and you! Together, you are responsible for our entire software stack. From our user interface to low level battery control.

What you’ll be responsible for

  • Integrating new hardware and software into our existing code base.

  • Developing software that protects the grid at customer sites.

  • Debugging hardware and software issues in our lab or at customer sites.

  • Providing support for existing assets to ensure reliability and performance.

What you'll bring

A hands-on and enthusiastic software engineer mindset, thriving in an agile team environment. You're comfortable with developing logic for controlling hardware, know your way around the backend of web applications and not scared of a little front-end development.

Some additional key points:

  • Minimum HBO level education in computer science or several years of experience as a software developer.

  • Experience with modern C# or other modern programming languages.

  • Knowledge of Linux and Docker.


  • Salary between €3.500 and €4.700, based on experience.

  • 30 paid holidays ( + 5 purchasable days) and 1 extra day for volunteer work

  • Hybrid work options, even from abroad

  • Opportunity to take a 3-month sabbatical

  • Share iwell’s success with Share Appreciation Rights (SARs)

  • Permanent labor contract after trial period

  • Flexible office hours

About iwell

iwell was founded in 2016, by three friends who wanted to speed up the energy transition. Their mantra, “Action speaks louder than words”. As pioneers in the industry, we have developed our own energy management system. By using our battery systems, the customers can not only increase the reliability of their energy supply, but also gain more certainty about their energy bills and grid management costs. Moreover, we enable customers to use more renewable energy on their premises, contributing to a cleaner and greener future.

How we hire

  1. Apply: Submit your application, and our hiring manager will review and respond within 10 workdays.

  2. Screening call: If you fit the iwell profile, we'll invite you to a screening call so we can get to know each other.

  3. First interview: Meet with a future team member and our people manager so we can get to know each other even better, this is your chance to really dig into iwell!

  4. Assignment: We’ll test your programming skills with a technical assignment.

  5. Second interview: Meet with two future team members and discuss the assignment and your technical skills.

  6. Job offer: Signing of contract!

Join us at iwell and be part of shaping a sustainable future!

iwell does not support IND visa sponsorship at this point in time.

Onze visie is: Schone en betaalbare energie voor iedereen; één van de grootste uitdagingen van onze tijd. De energietransitie smeekt om verandering. Daarom voeren vele partijen eindeloze gesprekken over hoe het anders kan en móet. Maar dit kost allemaal zoveel tijd…
Wij doen het anders!
Wij versnellen de energietransitie en bouwen vandaag aan de energievoorziening van morgen. Met Cube, onze slimme batterij zetten wij vandaag al stappen op weg naar een mooiere wereld. Waar wacht jij nog op?

Active in 1 country
12 employees
70% men - 30% women
Average age is 26 years