C# Developer

Reply Polska Sp. z o.o. is looking for a skilled C# Developer to join our team and contribute to the design and implementation of advanced digital solutions. We specialize in creating innovative business models enabled by cloud computing and modern software paradigms, supporting leading European industrial groups across various sectors.

Key responsibilities

• Develop and maintain backend applications and APIs using C#/.NET 8 and ASP.NET Core Minimal APIs.
• Build cloud-based solutions utilizing AWS services such as S3, SQS, Lambda, DynamoDB, and Cognito.
• Design and implement robust data access layers with Entity Framework Core and PostgreSQL.
• Contribute to microservices and event-driven architectures following Clean Architecture principles.
• Write and maintain unit tests to ensure high code quality and application reliability.

Requirements

• Around 2 years of commercial experience in software development with C# and .NET.
• Hands-on experience with ASP.NET Core, Entity Framework Core, and PostgreSQL.
• Practical knowledge of AWS cloud services and containerization using Docker.
• Understanding of Clean Architecture, REST APIs, and software design principles.
• Experience with unit testing frameworks such as NUnit, Moq, and FluentAssertions.

What we offer

• Opportunity to work on complex projects within a network of highly specialized companies.
• Continuous professional development in modern cloud-native technologies and digital services.
• Collaborative environment focused on code quality, troubleshooting, and continuous improvement.