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Senior .Net Developer
We are looking for an experienced .NET Developer with 5+ years of experience in building scalable applications, migrating legacy business logic, developing unified APIs, implementing secure authentication, and designing modern database architectures.
Job Responsibilities
- Migrate and refactor existing business logic across multiple repositories into a modern Domain-Driven Design (DDD) architecture.
- Rebuild the core SaaS platform using .NET with a scalable, modular, and maintainable structure.
- Ensure functional parity with the legacy system while improving maintainability, testability, and domain clarity.
- Design and implement a unified API for all platform services using an OpenAPI-first approach.
- Integrate existing business logic into the new service layer and develop secure, high-performance API endpoints.
- Implement and maintain PingOne authentication and authorization, including the migration from Azure AD to PingOne.
- Ensure enterprise-grade API security through token validation, claims-based access, and secure session handling.
- Design robust relational databases with proper domain-level and tenant-level separation for scalability and reliability.
- Migrate legacy Azure SQL and Cosmos DB structures to a domain-aligned PostgreSQL database model.
Key Skills
- Strong experience in .NET / C# development
- Domain-Driven Design (DDD)
- RESTful API development and integration
- OpenAPI / Swagger
- API authentication and authorization
- PostgreSQL
- Azure SQL and Cosmos DB
- Database migration and domain-driven data modeling
- Scalable and modular application architecture
Key Requirements:
- Must have 5+ years of professional experience in .NET development
- Strong knowledge of C#, .NET, and Web API development
- Experience migrating and modernizing legacy business logic
- Strong understanding of API design, integration, and security
- Experience with PingOne authentication and Azure AD migration
- Strong database development and migration experience
- Experience working with PostgreSQL, Azure SQL, and Cosmos DB
- Excellent problem-solving and analytical skills
- Hands-on experience with DDD architecture
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