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Fullstack.NET Developer

Fullstack.NET Developer

Infotree Global SolutionsKraków, Lesser Poland Voivodeship, Poland
26 days ago
Job description

We’re looking for a Fullstack .NET Developer to join the team of one of our clients – a growing software group delivering business management, CRM, and payment solutions across sectors such as membership, education, and healthcare. This is a full-stack role focusing  on frontend (60–65%) using React , and a .NET backend (35–40%) . The ideal candidate will also support task coordination for a small team of 2–3 developers.

What you’ll do :

  • Design and develop modern, responsive web interfaces using  React, TypeScript, Tailwind CSS, and Vite
  • Build and maintain RESTful APIs using .NET Core / .NET 6+
  • Take ownership of the technical delivery from architecture through implementation to deployment
  • Ensure accessibility, modularity, and maintainability of frontend components
  • Coordinate and support a small development team (2–3 people), helping align priorities and ensure smooth progress
  • Collaborate with stakeholders to define scope, architecture, and deliverables
  • Debug and support applications post-deployment

What we’re looking for :

  • 5+ years of hands-on experience building full-stack web applications
  • 3+ years of experience with React, TypeScript, Tailwind CSS , and Vite
  • 3+ years of backend development experience with .NET Core / .NET 6+
  • Strong grasp of component-based UI development, responsive design, and accessibility best practices
  • Experience with authentication, validation, error handling, and layered architecture
  • Previous experience coordinating technical work for a small team
  • English at B2 / C1 level – you’ll be working with an international team (primarily UK and Poland)

    • Nice to have :

  • Relevant degree in Computer Science or related field
  • Experience with SQL Server , Redis , GitLab CI / CD , Kubernetes
  • Cloud experience with AWS or GCP
  • Familiarity with observability tools like Sentry or New Relic
  • Use of AI developer tools such as GitHub Copilot or ChatGPT

    • Ready to join a fast-moving software group building impactful solutions across industries? Apply now and be part of a collaborative international team where your skills drive real value.

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    Developer • Kraków, Lesser Poland Voivodeship, Poland