.NET Developer | Safe transition of big data traffic | .Net (Core), C#, SQL, HTML(5), CSS, Javascript | Diemen/ Den Haag | Up to €75K |


This organization is a supplier of mobile and fixed internet services. The clients consist of both corporate clients and private individuals. This party has developed the entire customer process system itself from the start and has always been innovating its software over the years. If you have a passion for big data, you’ve come to the right place. Together with about 2000 colleagues, you strive for an optimal customer experience and a safe transition of data traffic.


The function

As a .NET Developer, you and the team are responsible for ensuring the architecture for the automation of the entire “Customer Journey” and customer processes. Don’t just think of automated orders, billing, handling and delivery. You will also work on the internal processing via the CRM system and the link with the various parties.

The customers for which you will program software are internet users, suppliers, manufacturers and logistics partners who are connected to each other through the back-end platform that you will co-develop.

In this role you will mainly work hands-on with innovating and optimizing the software. You have your own development tasks and you have a say in the architecture, and you always test the built software solutions together with the customer.


The team

Within the development team you will be part of a team of about 20 developers.

Of which 17 senior developers. There is also a lot of room for initiative and input in the field of technical choices. We work according to the scrum mothode in a team of 6 men. The Scrum team consists of a product owner and a scrum master / tester. The level of development skills is high, with the majority of the team being senior level.

There is an informal atmosphere and outings are regularly planned. Nothing mandatory of course, but fun. The company is always looking for new talent and is continuously growing. You also get the opportunity to grow in the role you have in mind.

Your work location is in The Hague, but you work with teams in Diemen, where you will also have to go regularly. You will work independently for your specific customer base. You also work a lot with your team and all branches of the organization to optimize customer processes together.


Because this organization has developed its entire customer processes system itself, they are therefore not dependent on other parties to which their software must connect. This gives them the opportunity to implement modern techniques.

For Continuous Integration and Delivery they work with TeamCity and Octopus Deploy. They work with techniques such as .Net (Core), C #, SQL, HTML (5), CSS, Javascript. Knowledge of Windows Server is highly desirable.



-Minimum 3 years of experience in software development (.NET)

-A completed HBO + / WO education

-Experience with continuous integration & delivery (TeamCity, Octopus Deploy);



-Salary up to 75K Euro based on experience

-31 vacation days (possibility to buy 10 extra) -Bonus scheme: on average 12.5% ​​of gross annual salary

-Pension plan -Laptop & Smartphone (with unlimited internet in NL and abroad)

-Travel allowance (€ 0.19 per km or public transport business card)

-Working from home and flexible start / end times

-Free training budget: € 1000 per year



You will have plenty of challenges from this position as a .NET developer.

Many improvements are still possible in the architecture. Do you think quality is important and do you also want to work with the latest techniques?


Interested or more information about this position? Please contact annemarijn@searchlite.nl o


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