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Senior .Net/Blazor Developer


Job description

A major player in the IT sector, we have continued to grow and evolve since our creation in 1993. With a dedicated team of nearly 1.400 employees spread across several sites in Wallonia and Brussels, NSI has followed an exceptional trajectory. Our company is at the forefront of the digital revolution, offering a complete range of IT services, from analysis and software development to architecture and IT governance.

Your role at NSI

As a .Net Developer, you will join NSI in the Professional Services Business Unit and work as part of our client's team in Brussels.

Your job will involve :

Your responsibilities as a .Net senior developer are :

  • The development of new applications and the improvement and maintenance of existing applications;
  • The testing and the documentation of applications.
  • The follow-up of trends and evolutions concerning technologies and methodologies in your domain

Job requirements

This function is for you because 

You are familiar with the following technologies :

  • Knowledge of Scrum/Agile
  • .NET Core 6+
  • Blazor
  • AZURE Devops
  • Good knowledge of common design pattern
  • Microservice implementation
  • MVC, Web API, SQL and GIT, Entity Framework are well known term for you
  • Power BI is a plus

but also :

  • You have at least 5 years of experience as a developer
  • You speak French or Dutch & English


💡 You are able to make proposals and work independently
🎯 Taking on challenges is part of your mindset
🫴 You're a multitasking person and ready to invest in a rewarding role
👫 Working as part of a team and collaborating with your colleagues is essential to you
💪 You're looking for a job that will give meaning to your daily life and enable you to progress
🫵 You want to make a difference and add your "special touch"

What NSI can offer you:
🤝 A policy of trust that encourages autonomy and the taking of initiative
⚖️ A work-life balance thanks to teleworking and flexible working hours
💰 A salary package with numerous extra-legal benefits from the moment you arrive, including a company car, luncheon vouchers, insurance, etc.
👍 Personalised support during your assignment
📈 The opportunity to join a fast-growing company
🧑‍🏫 The opportunity to continually develop your skills thanks to a training catalogue and access to LinkedIn Learning
🤩 Varied and challenging assignments with our customers
👊 Being part of a supportive and dynamic company
👩🏼‍🤝‍👨🏽 Activities to get together and share some fun times together: afterworks, teambuildings, conferences are all on the agenda

Do you fit this profile ?
Do your personality and experience match NSI's DNA ?
If you're ready to join us, apply now !


  • Brussels, Brussels Hoofdstedelijk Gewest, Belgium


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  • Brussels, Brussels Hoofdstedelijk Gewest, Belgium