PpWe are looking for a Senior .NET Developer with 8+ years of experience to build high-impact software for Swiss banking clients. This version of the role focuses on modern, Cloud‑Native architectures, moving away from legacy SOAP systems toward agile, scalable RESTful services. /p pThe focus is on web‑standard communication and high‑performance backend systems. /p h3Core Technical Stack /h3 ul liBackend APIs: Expert‑level C# and .NET 6/8+. Deep expertise in designing and implementing REST APIs. /li liDocumentation DX: Proficiency in Swagger (OpenAPI) for designing, documenting, and testing endpoints to ensure seamless integration. /li liDatabases: Advanced SQL Server (T‑SQL), stored procedures, and relational database design. /li liArchitecture: Mastery of Microservices, Distributed Systems, and Event‑Driven patterns. /li liMessaging: Integration of APIs with message‑based middleware like NServiceBus or RabbitMQ. /li liDevOps Mindset: Experience with CI/CD pipelines, Docker, and Kubernetes. /li /ul h3Key Responsibilities /h3 ol liAPI Design Evolution: Architecting RESTful interfaces that are secure, stateless, and easy for frontend teams (AngularJS) to consume. /li liStandardization: Using Swagger to maintain clear API contracts and facilitate "API‑first" development. /li liScalability: Building asynchronous workflows and message‑driven architectures for high‑throughput production environments. /li liSecurity Performance: Implementing modern security standards (OAuth2, JWT) and fine‑tuning .NET performance for banking transactions. /li liCollaboration: Working in cross‑functional teams (Product Owners, QA, Architects) to deliver consistent business value. /li /ol h3Preferred Skills (Nice to Have) /h3 pThese skills are not mandatory but are highly valued for this specific position: /p ul liFrontend Development: Experience with AngularJS for building or maintaining web applications. /li liCloud Platforms: Hands‑on exposure to GCP (Google Cloud), Azure, or AWS. /li liContainerization: Familiarity with Kubernetes and container orchestration. /li liEnterprise Messaging: Knowledge of IBM MQ (version 9.3.5.1 or similar) and its integration with .NET. /li liIntegration Patterns: Deep understanding of both frontend and backend integration patterns beyond standard REST. /li /ul /p #J-18808-Ljbffr