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act digital EMEA - Alter Solutions Linkedin · Posted 14d ago

Senior C#/.NET Developer

Portugal

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Indexed description

We are looking for a Senior C#/.NET Developer to join an international team working on the development and maintenance of business-critical applications in a collaborative and Agile environment.

This is an excellent opportunity for an experienced software engineer who enjoys building high-quality solutions, mentoring teammates, and contributing to modern software development practices.


📍 Location: Porto, Portugal

🏢 Work model: Hybrid (2 days/week in the office)


What you'll do

  • Develop, enhance, and maintain applications using C# and .NET.
  • Write clean, efficient, reusable, and maintainable code.
  • Ensure application performance, scalability, and reliability.
  • Identify, troubleshoot, and resolve technical issues and bottlenecks.
  • Contribute to code reviews and promote software engineering best practices.
  • Collaborate closely with cross-functional teams in an Agile environment.
  • Mentor and support junior and mid-level developers, fostering technical growth within the team.


What we're looking for

  • 6+ years of professional experience in C#/.NET development.
  • Strong experience with C# and the .NET ecosystem.
  • Experience with Entity Framework / Entity Framework Core.
  • Knowledge of SQL Server and relational databases.
  • Experience with SQL Server Integration Services (SSIS).
  • Solid understanding of SOLID and KISS principles.
  • Experience following clean coding standards and participating in code reviews.
  • Agile mindset and commitment to software craftsmanship.
  • Strong communication skills in English (minimum B2 level).


Nice to have

  • Experience with frontend technologies (JavaScript frameworks or modern web technologies).


What we offer

  • Opportunity to work on challenging, enterprise-scale projects.
  • International and collaborative working environment.
  • Continuous learning and professional development.
  • Supportive culture focused on technical excellence and knowledge sharing.
  • Hybrid work model with 2 days per week in the office (Porto).


If you're passionate about building high-quality software and want to be part of an experienced international team, we'd love to hear from you!

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