Are you an A-player? Excited to join Flux and revolutionize the IT world? Become part of our core team!

Senior Full-stack Java Developer

Full-time on-site Rotterdam Hbo / Wo-bachelor

Goal of Flux

To fully simplify software development without compromises, enabling even the most advanced applications to be developed quickly. (Github)

Welcome to Flux 

Flux is a groundbreaking AOS (Application Operating System) that completely transforms the world of software development. It eliminates all the peripheral tasks of development, allowing users to fully focus on implementing business logic—the code that truly matters.

At clients like Portbase, Flux has completely transformed the IT landscape, reducing the codebase by 90% and enabling teams to work 10 to 100 times faster. With Flux, other SaaS solutions like Elasticsearch, Sentry, and even cloud providers like AWS become redundant. The growth potential of Flux is enormous, offering you a unique opportunity to grow with the company.

What will you do as a Full-stack Java Developer at Flux? 

As a developer on the core team, you will be engaged in the most crucial task within Flux: developing the platform itself. Together with the founder and a team of other developers, you will conceive and build the new hosting platform. You will primarily work with Java and will perform both backend and frontend tasks. The software you write will directly ensure that more and more technologies become redundant, making it easier for developers to build applications.



You identify with this

  • You have a bachelor's or master's degree

  • You enjoy working with the best

  • You are a quick thinker who can effectively tackle complex problems

  • Experience with Java and front-end frameworks is required; you are capable of writing and maintaining high-quality code

  • You have an entrepreneurial and proactive attitude

  • Creating user-friendly solutions is second nature to you

Team & Culture 

At Flux, innovation is at the core of everything we do. You will actively think along and build our platform. This ensures that your influence is significant and your contributions are directly visible. We offer a stimulating environment where you can work alongside some of the best developers in the Netherlands. Everyone is driven and works with the same enthusiasm on a platform that will completely change the world of software development.


What else are you looking for in a job

  • A good salary, travel allowance, and a 13th month

  • Virtual stock options, a unique opportunity to benefit from the growth and value creation of our company

  • 25 vacation days, as long as you promise to come back

  • The chance to make a direct impact and simplify the way software is developed

  • Using the most advanced development techniques



Tools you will work with

  • flux.host - you will learn this from the founders!

  • Java

  • Angular

  • Kubernetes

  • Docker

  • Terraform

Are you excited to usher in the revolution with Flux that will bring radical changes to the IT world? Discover what it’s like to develop state-of-the-art solutions within a team that breathes technology and innovation. Come have a cup of coffee with one of our founders and start your journey at Flux.