Full Stack Engineer

🚀 Senior FullStack Engineer (.NET / Azure / React)

Location: Kraków / HYBRID (7 days in office per month)

Contract: B2B / Contract

Do you want to shape the future of a dozen .NET applications while modernizing them to cloud-native Azure, .NET 6/8 & React?

We’re looking for a Senior FullStack Engineer who loves architecture, mentoring, and hands-on coding. You’ll drive modularization, stabilize production, and help migrate legacy systems.

What you’ll do:

• Lead architecture & migration strategy (strangler, phased refactor)
• Build & review core services (.NET 6/8, ASP.NET Core, EF Core) & React frontends
• Mentor engineers & share best practices
• Design CI/CD, IaC & self-service automation (Azure DevOps, GitHub Actions, Terraform/Bicep)
• Own observability & reliability: logging, metrics, SLOs, resiliency patterns
• Optimize SQL Server & oversee ETL/reporting platforms (SSIS, SSRS, Power BI)

Must have:

• 8+ years in Senior/FullStack roles
• Expert in C#/.NET & backend design (DDD, CQRS, Clean Architecture)
• Strong Azure & SQL Server skills
• React expert, Angular experience a plus
• Experience modernizing legacy UIs (ASP.NET MVC, Razor, WPF, WinForms)
• B2/C1 English for architectural discussions

Nice to have:

Kubernetes, Terraform, Databricks, Event-driven architectures, Power BI advanced, CI/CD automation, testing frameworks.

Apply now!