Vacature: Full stack developer

We are hiring a Full Stack Developer to join our team!

You will be working closely with our CTO Robert and our Lead Developer Jelmer. You understand the importance of best practices, testability and code quality in general. You are pragmatic and get stuff done at the same time. You have good working knowledge of PHP 8 as well as JavaScript and TypeScript. The tools we use are Laravel, Vue 3, Postgres and Redis. Our infrastructure is managed using Heroku. 

About Zoncoalitie 

As an independent platform, we realize solar PV projects and smart energy solutions for real estate owners, SMEs and SMBs. We believe the development of solar can be simple by offering our collective knowledge through an online app. We aim to standardize the development of solar to speed up the energy transition, while at the same time maintaining the highest quality standards. We find a customized solution for every situation. 

We are currently working on developing 150 solar projects throughout the Netherlands with a team of 15 solar specialists. In addition, we manage operational projects on a long-term basis. This covers solar PV monitoring, financial reporting, data insights, administration, and advisory on innovative energy solutions like battery storage and EV charging.  

Your assignment 

Your main task is to work with our team to further shaping our online portal. Some epics that are currently on our roadmap: 

  • Develop a dashboard that provides real-time insight in a solar project’ performance. This involves fetching data from inverters and other IoT devices
  • Further development of: matching and scenario engine and progress reporting 
  • Add self-service features that allows clients to instantly get insights on the project’ feasibility and expected financial performance 

Who we’re looking for? 

  • You write well-structured, maintainable, and testable code 
  • You know how to break complex business logic into manageable parts 
  • You’re able to work with large datasets (we use Postgres and Redis to store data). 
  • You like building customer-facing products using the latest technologies (Vue 3, Typescript, composition API) 
  • You know CI/CD and git workflows. We use Heroku and Github. 
  • You’re curious and you’re always looking to improve your workflow and DX. 

What can you expect? 

  • Competitive salary that fits your experience 
  • Remote position, for 4-5 days per week, across flexible working hours for a healthy work-life balance 
  • 1 week/month co-working in Amsterdam office, daily standup (remote) 
  • Our office is next to the Olympic Stadium in Amsterdam. 
  • Open environment to express your opinion and share new ideas. 
  • An unique opportunity to contribute and shape our expanding services through the portal. 
  • Regular off-sites/company outings with the Zoncoalitie team. 
  • Be part of a growing organization and become a rooftop solar expert 
  • You can contribute to a more sustainable future! 

Interested? Let's talk!

Do you want to join our team? Please send your resume to When you pass our criteria we would like to get to know each other via a video call. If you have any questions, please feel free to reach out.

Robert Ten Broek

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