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Web Developer

Delft, Zuid-Holland, Netherlands€4,000 - €5,000 per monthApplication

Job description

Are you passionate about web development? Do you love our planet and want to help renewable energy sources? We are looking for two web developers to strengthen our numerical weather prediction platform. A development team member who works together with our product manager, developers and scientists to bring the next generation weather prediction to the world. 


In this role you will do in-house software development on our weather forecasting and hindcasting web services for the renewables sector. You and the team are responsible for bringing our weather platform to the next level, from a data, backend and frontend perspective. Your supportive mindset helps us build APIs to support our service and improve scalability and customer experience while also troubleshooting problems and refactoring existing codebases. You collaborate with colleagues and stakeholders to shape the transition to a new generation of weather services. You are part of an agile team and lift the team to a higher level using modern software best practices such as CI/CD, test-driven development, microservices, and other awesome paradigms and tools. Projects you would be working on are implementing a customer API to exchange our forecasts and their measurements and an API where customers can configure their own weather simulations. 


Whiffle, a spin-off of Delft University of Technology, is based in the Next-Delft scale-up community building in Delft, the Netherlands. Whiffle is revolutionizing numerical weather prediction by using cutting-edge computing technology to run the world's highest resolution operational weather model. Our innovative weather prediction model delivers benefits in many economic sectors, but our primary focus and the one where we are most compassionate about is the renewable energy sector. It is Whiffle’s mission to make the world's best weather forecasts and to make the world better with this disruptive technology. Sometimes people say it’s not possible, but we are sure it can be done, because we already did!


We combine scientific excellence with a drive to innovate in order to deliver better products to our clients. We share a hard-working spirit and celebrate our successes together. We stimulate learning and personal development. We value a pleasant working atmosphere and a good sense of humour. You will be working with team members specialized in physics, computing, customer support and renewable energy. Your job at Whiffle allows you to make a lasting impact in the field of renewable energy and weather forecasting.

Job requirements


You are eager to expand your knowledge and learn new skills and not afraid to do something outside your comfort zone. You have a knack for backend development, preferably in Python and used frameworks like Flask, Django, fastapi. Experience in numerical data, machine learning/data science, geo information systems or any front-end experience with Vue is optional and appreciated. We hope you get excited from a variety of projects with experts across domains from scientific computing, weather modelling, all the way to web development. You are result oriented and have get it done spirit yet are vigilant about quality of the products you deliver. You live in the Netherlands, like working closely together with your colleagues in an awesome office, and are interested to join the occasional social activity.


  • Everyone in our team is eager to learn from and share knowledge with each other.
  • Room to grow, with learning opportunities and coaching both technical and personal.
  • We celebrate successes together.
  • With this job you ensure a lasting impact in the field of sustainable energy and weather forecasting.
  • Traveling allowance and pension scheme.
  • An awesome job for 32 to 40 hours a week.
  • Work from a brand-new office in Delft, with up to 40% work from home possibilities, but you can also work in the office every day.
  • Up to 31 days off.
  • Between €4.000 and €5.000 monthly salary, depending on experience (based on 1FTE).

Enthusiastic to become our web developer? We’d love to hear from you and be happy to tell you more about the position and about Whiffle.
Apply for this job and we are looking forward to speak to you soon!