FullStack Developer, C#, JavaScript

WhyHireWrong?

Blazor Fullstack Developer building and shipping features for a Facilities Management SaaS platform in Kraków/Warsaw. Collaborate with international teams to shape a growing product in a hybrid working environment.

Posted 5/14/2026full-timeKraków • 🇵🇱 PolandMid-LevelSenior💰 PLN 250,000 - PLN 280,000 per yearWebsite

Tech Stack

Tools & technologies

ASP.NETEntity FrameworkJavaScriptjQuery.NETSQLSSIS

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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

Benefits

Comp & perks

3 days onsite in Kraków, the rest remote
Work on a greenfield codebase, not years of legacy debt

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

C#ASP.NETWeb APIEntity FrameworkT-SQLStored ProceduresSSISBlazorJavaScriptjQuery

Soft Skills

communicationcollaborationAgileproblem solvingownership