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Mid-level .NET Developer

9.5-12.5k (B2B)
Ustroń, Poland (on-site position)

We're looking for an experienced Mid-Level .NET Developer to join our development team. You'll design and implement robust backend solutions, contribute to architectural decisions, and help deliver high-quality applications to our clients.

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The role

We're looking for an experienced Mid-Level .NET Developer to join our development team. You'll design and implement robust backend solutions, contribute to architectural decisions, and help deliver high-quality applications to our clients.

What you'll do

  • Develop and maintain applications using C# and .NET frameworks
  • Design and implement database structures and efficient queries
  • Build RESTful APIs and integrate with frontend applications
  • Participate in code reviews and contribute to technical discussions
  • Collaborate with team members to solve complex problems
  • Help mentor junior developers and share knowledge across the team
  • Implement best practices for performance, security, and scalability

What we're looking for

  • 3+ years of professional experience with .NET development
  • Strong knowledge of C# and .NET Core/.NET 7
  • Experience with RESTful API design and implementation
  • Understanding of SQL and database design principles
  • Familiarity with source control systems (Git)
  • Good problem-solving skills and attention to detail
  • Strong communication abilities and teamwork mindset

Bonus skills

  • Experience with cloud services (Azure, AWS)
  • Knowledge of frontend technologies (JavaScript, Vue.js)
  • Understanding of DevOps practices and CI/CD pipelines
  • Experience with microservices architecture
  • Familiarity with containerization (Docker)

About us

At Rocksoft, we're a passionate team of 35 working on innovative projects from our modern office in Ustroń, Poland. We maintain a lean structure that encourages creativity and growth while delivering high-quality solutions to our international clients.