FullStack Developer (C# & Javascript)

WhyHireWrong?Capon Bridge, WV
PLN 250,000 - PLN 280,000Hybrid

About The Position

You'll build and ship features for a Facilities Management SaaS platform used by real estate and healthcare clients across multiple countries. The product is actively moving its UI to Blazor, so you'll be doing real frontend and backend work on a live platform. You own your features from requirements to deployment, working in a small Agile team with international colleagues.

Requirements

  • 3+ years of commercial C# and .NET development
  • Blazor in production, not just a demo or side project
  • ASP.NET, MVC, Web API, Entity Framework with real delivery behind you
  • SQL Server: T-SQL, Stored Procedures, and solving performance problems under real load
  • Basic JavaScript, jQuery, HTML5, and CSS to own UI delivery end to end
  • Working English, spoken and written, because daily international collaboration is a real part of the job
  • Based in Kraków, or genuinely open to relocating there (Warsaw considered if Kraków pipeline is empty)

Nice To Haves

  • Shipped Blazor UIs in a live product used by actual customers
  • Delivered features end to end in a sprint-based team
  • Worked with colleagues in different time zones and made it work
  • Tuned SQL Server queries where performance actually mattered

Responsibilities

  • Build and enhance Blazor UI components for a customer-facing CAFM platform that's actively evolving
  • Develop and maintain backend services in C#, ASP.NET, Web API, and Entity Framework
  • Write and optimize T-SQL queries, Stored Procedures, and SSIS packages against SQL Server
  • Participate in Agile ceremonies in English: standups, sprint planning, retrospectives
  • Own your features completely: scope, build, test, deploy
  • Contribute to CI/CD pipelines and DevOps practices alongside the team

Benefits

  • PLN 250,000 – 280,000 annually
  • Work on a greenfield codebase, not years of legacy debt
  • 3 days onsite in Kraków, the rest remote
  • A PE-backed product with a clear roadmap and real customers already using it
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