10/21/2026 updated
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info: not available until 11/18/2026
Senior Software Engineer (.NET / C#, Azure)
Krak贸w, Poland
Only remote
About me
Senior Software Engineer with 6+ years in .NET/C# and 2+ years in React. I build and scale backend systems: microservices, CQRS, SignalR, Redis, OAuth/OIDC, Prometheus/Grafana/Loki, CI/CD. Based in Krak贸w, working remotely with teams across Europe.
LokiASP.NETMicrosoft AzureC Sharp (Programming Language)Entity FrameworkAzure SQLRedisSvelteOpenid ConnectPrometheusAngular 2+SignalRTypeScript.NET CoreReact.js
Senior .NET / full-stack engineer with 6+ years of commercial experience. Backend: C#, .NET, ASP.NET Core, EF Core, CQRS/MediatR, SignalR, Redis, YARP, REST APIs, OAuth/OIDC. Frontend: React, TypeScript, Blazor, Angular, Vue, Svelte. DevOps & observability: Docker, GitLab CI, Prometheus, Grafana, Loki. Experience with distributed systems, microservices architecture and high-load platforms in banking, industrial IoT and gaming. Available remote, B2B.
Experience
Professional experience5 - 10 years
Freelancer since2025
Languages
EnglishFluentPolishGoodRussianNative speaker
Project history
.NET 8 backend services for a large international bank, microservices, CI/CD, observability.
Backend and web platform for an industrial measurement equipment manufacturer, .NET, Blazor, SignalR, Docker.
High-load .NET services, Redis, real-time features.