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Senior ASP.NET Developer | FORFIRM

Job in 6900, Lugano, Ticino, Switzerland
Listing for: FORFIRM CONSULTING SAGL
Full Time position
Listed on 2026-09-20
Job specializations:
  • Software Development
    .NET Developer, Backend Developer, C# / Unity Developer, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 110000 - 160000 CHF Yearly CHF 110000.00 160000.00 YEAR
Job Description & How to Apply Below

We are looking for a Senior ASP.NET Developer with proven experience in developing web applications and backend services using C# and ASP.NET Core
.

The ideal candidate has a strong background in software design, with a solid understanding and practical application of SOLID principles
, key Design Patterns
, and modern software architectures.

Experience in building distributed systems and implementing asynchronous communication using NService Bus and RabbitMQ is also required.

Technologies
  • C#
  • ASP.NET Core
  • .NET 8, 9, or 10
  • Entity Framework Core
  • SQL Server
  • REST APIs
  • Git
  • Unit Testing (xUnit, NUnit)
Software Development Principles
  • SOLID
  • Clean Code
Design Patterns
  • Repository Pattern
  • Unit of Work
  • Factory Pattern
  • Strategy Pattern
  • Builder Pattern
  • Mediator Pattern
  • CQRS
  • Repository
Architectures and Design Approaches
  • Clean Architecture
  • Domain-Driven Design (DDD)
  • Event-Driven Architectures
  • Distributed Systems
  • Asynchronous Service Communication
Preferred Skills
  • NService Bus
  • RabbitMQ
  • Queue and Message Management
  • Message Processing Error Handling
  • Retry Mechanisms and Dead Letter Queues
  • Consumer Idempotency
  • Asynchronous Events and Commands
  • Microsoft Azure
Responsibilities
  • Analyze functional and technical requirements.
  • Design robust and scalable software solutions.
  • Develop web applications and REST APIs using ASP.NET Core.
  • Apply SOLID principles and Design Patterns effectively.
  • Implement asynchronous processes using NService

    Bus and RabbitMQ.
  • Design components following Clean Architecture principles.
  • Collaborate with Business Analysts, Project Managers, and other developers.
  • Ensure software quality through unit testing, code reviews, and development best practices.
Position Requirements
10+ Years work experience
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