Senior .NET Developer: Cloud, CI/CD & Modern Frontend

Transition Technologies PSC; Polska; Hybrid; PLN 180,000 - 260,000; Full time

Job summary

Transition Technologies PSC in Poland is seeking a skilled .NET Developer to design, develop, and maintain web applications (ASP.NET), APIs, and services using C# and .NET in a production setting. You will write automated unit and integration tests and participate in code reviews.

Ideal candidates have commercial experience with .NET, C#, ASP.NET, SQL and ORM frameworks, and a good grasp of software architecture and data modeling.

Qualifications

• Commercial experience as a .NET Developer (Regular or Senior).
• Strong knowledge of C#, .NET, ASP.NET.
• Experience with SQL databases and ORM frameworks.
• Understanding of software architecture designs and data modeling.
• Experience maintaining production systems.
• Communicative English (B2 level or higher).

Responsibilities

• Design, develop, and maintain web applications (ASP.NET), APIs, and services using C# and .NET.
• Write and maintain automated unit and integration tests (xUnit, NUnit).
• Participate in code reviews and architectural discussions.
• Collaborate with QA, DevOps, and product teams.

Skills

.NET Developer

C#

ASP.NET

SQL databases

ORM frameworks

Software architecture

Data modeling

Production systems

English (B2+)

Cloud platforms

CI/CD

Distributed systems

Frontend (Angular/React)

Docker/Podman/Kubernetes

Tools

Azure

AWS

Job description

Transition Technologies PSC in Poland is seeking a skilled .NET Developer to design, develop, and maintain web applications (ASP.NET), APIs, and services using C# and .NET in a production setting. You will write automated unit and integration tests and participate in code reviews.

Ideal candidates have commercial experience with .NET, C#, ASP.NET, SQL and ORM frameworks, and a good grasp of software architecture and data modeling.