We are looking for a Senior .NET Developerwith 8+ years of experienceto build high-impact software for Swiss banking clients. This version of the role focuses on modern, Cloud-Nativearchitectures, moving away from legacy SOAP systems toward agile, scalable RESTful services.

Core Technical Stack

The focus is on web-standard communication and high-performance backend systems.

• Backend & APIs:Expert-level C#and .NET 6/8+. Deep expertise in designing and implementing REST APIs.

• Documentation & DX:Proficiency in Swagger (OpenAPI)for designing, documenting, and testing endpoints to ensure seamless integration.

• Databases:Advanced SQL Server (T-SQL), stored procedures, and relational database design.

• Architecture:Mastery of Microservices, Distributed Systems, and Event-Drivenpatterns.

• Messaging:Integration of APIs with message-based middleware like NServiceBusor RabbitMQ.

• DevOps Mindset:Experience with CI/CD pipelines, Docker, and Kubernetes (as listed in preferred skills).

Key Responsibilities

1. API Design & Evolution:Architecting RESTful interfaces that are secure, stateless, and easy for frontend teams (AngularJS) to consume.

1. Standardization:Using Swaggerto maintain clear API contracts and facilitate "API-first" development.

1. Scalability:Building asynchronous workflows and message-driven architectures for high-throughput production environments.

1. Security & Performance:Implementing modern security standards (OAuth2, JWT) and fine-tuning .NET performance for banking transactions.

1. Collaboration:Working in cross-functional teams (Product Owners, QA, Architects) to deliver consistent business value.

Preferred Skills (Nice to Have)

These skills are not mandatory but are highly valued for this specific position:

• Frontend Development:Experience with AngularJSfor building or maintaining web applications.

• Cloud Platforms:Hands-on exposure to GCP (Google Cloud), Azure, or AWS.

• Containerization:Familiarity with Kubernetesand container orchestration.

• Enterprise Messaging:Knowledge of IBM MQ(version 9.3.5.1 or similar) and its integration with .NET.

• Integration Patterns:Deep understanding of both frontend and backend integration patterns beyond standard REST.