Brainsquare

Senior .NET Software Engineer

Brainsquare
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1 day ago
Antwerp, BelgiumSenior

Responsibilities

  • Own the technical design and development of backend components.
  • Develop and maintain REST APIs using C# and .NET 8.
  • Implement data access with Entity Framework and work with SQL databases.
  • Apply SOLID principles, Clean Architecture, and dependency injection to create maintainable solutions.
  • Investigate technical issues and translate findings into practical solutions.
  • Collaborate with the technical lead and team members on implementation and integration decisions.
  • Contribute to code quality through code reviews, unit testing, and automated testing.
  • Communicate progress, technical decisions, and delivery risks clearly.

Requirements

  • Strong hands-on experience with .NET development, preferably as a senior developer or technical lead.
  • Proven experience building REST APIs with C# and .NET 8.
  • Practical experience with Entity Framework and solid SQL knowledge.
  • Understanding of SOLID principles, Clean Architecture, and dependency injection.
  • Ability to take responsibility for technical design and implementation.
  • Strong analytical, problem-solving, communication, and collaboration skills.
  • Fluent English; Dutch is a plus.
  • Experience with Git, unit testing, and automated testing practices, particularly xUnit, is preferred.
  • Familiarity with microservices architecture and cloud-based solutions, particularly Microsoft Azure, is a plus.

Benefits

  • Long-term assignment in Antwerp with three days per week on site and two days remote.
  • Opportunities to develop expertise alongside experienced technical colleagues.
  • Employee and freelance arrangements are available, with employment terms, salary, benefits, and mobility options discussed based on the assignment and individual situation.
  • Freelancers receive a focused assignment, clear technical briefing, and direct communication throughout selection and collaboration.

Tech Stack

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Brainsquare

About Brainsquare

51-200 employees

Brainsquare is a privately held IT services firm based in Zaventem, Belgium, founded in 1998, that designs, builds, and manages enterprise application landscapes. It provides consulting and managed services in application development and integration—covering .NET/Java stacks, APIs, data integration, and cloud—combining on-site teams with global delivery for ongoing operations. It serves organizations seeking full-stack development, system integration, and support for critical business applications.

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