Driven .NET developer

Are you one of the top 10% best software developers in our country? Are you driven, ambitious and do you want to make a difference? Are you technically strong and can you build beautiful solutions for customers? Then we have a place for you that will make you happy.

About Valk Solutions
Valk Solutions is a family business with a long-term horizon. We translate the latest technical possibilities into attractive solutions for our customers. Our customers are retailers with chain shops, web shops and central distribution centres (DCs). We provide total solutions and develop and maintain the software in-house. We also do service, consultancy and engineering with our own people. We do everything we can to make customers very satisfied. In our 33 years of existence we have never lost a chain out of dissatisfaction.

ASPOS stands for Advanced Sales Platform of Omnichannel Services. ASPOS is the largest online platform in our country, even bigger than With all data securely centrally located in the cloud and a suite of applications in the browser. ASPOS creates one truth in the entire chain. This puts the consumer at the center of attention. In a simplified IR landscape with the lowest TCO (total cost of ownership) and unprecedented commercial strength for our customers.

On average, Valk Solutions grows 15% in turnover per year. With a healthy margin and 65% recurring revenues. We invest heavily in people and new technology. We offer an enthusiastic and professional working environment brimming with dynamism, entrepreneurial spirit and innovation. There are plenty of career opportunities at Valk Solutions. We are looking for hard workers with a great drive to do good work.

Quotes from our developers

“Pleasant multidisciplinary team with a lot of room for innovation.”

“Large projects, you learn something new every day.”

“Testers as a backbone, so that you can build nicely as a programmer.”

“Challenging work, personal responsibility, no free rider effect.”

“Performance is seen and appreciated.”

“Sprints are widely estimated, there is understanding if something takes longer.”

“It’s nice to work on applications that are used a lot, especially in retail.”

“Working and learning different programming languages is AWESOME.”

“A lot of variety, not just web projects, also winform apps.”

“You need 100% focus, the day flies by.”

“It is only now that you REALLY learn SQL.”

Function content
ASPOS is the backend system with which several applications link: ERP POS application (“the cash register”) with functions for checkout, discount actions, loyalty, stock management and automatic restocking, payment services, PDA, BI dashboard, financial exports, webshop, kiosk and apps. ASPOS is developed in .NET (ASP.NET, C#, VB.NET, Javascript, jQuery) and works with databases based on MS SQL. For fast searching and finding, we use Azure Search.

ASPOS also links to external parties such as payment platforms and Spotler. These links are preferably REST/Json. New build is done in ASP.NET Core.

We are making great strides in the development team. We work with Azure DevOps with Continuous Integration, pull requests with a 4-eye principle with the ultimate goal of Continuous Delivery.

As a software developer you participate in the maintenance and further development of the above systems. Not only by realizing customer requirements but also by using the latest technologies.

Job requirements
We are looking for an independent and professional software developer with excellent knowledge of .NET and MS SQL at medior level. Experience with Core, MVC, ASP .NET (Webforms is a plus), complex T-SQL queries and test-driven development is welcome. Knowledge and experience with Azure DevOps and knowledge of the retail market is a plus.

We are looking for driven people who are able to quickly translate a problem into a solution. Trust and Transparency are important conditions for Agile working, collaboration and communication are therefore competencies that you possess. We are preferably looking for someone with HBO work and thinking level.

Terms of employment
A package of employment conditions in line with the market, depending on knowledge and experience. We arrange your work and residence permit for 3 years.

Are you the driven professional we are looking for and do you want to work with us full-time with a lot of energy? Send your CV to

Montfoort, April 2022.

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