SENIOR DEVELOPER

Description

Job Summary: We are seeking a Senior C#/.NET Developer to design, develop, and maintain backend applications and RESTful APIs, with an emphasis on quality, best practices, and business outcomes. Key Highlights: 1. Design, development, and maintenance of C# and .NET backend applications 2. Creation of robust, scalable, and secure RESTful APIs 3. Focus on code quality, best practices, and clean architecture We are looking for a **Senior Developer** with extensive experience in designing, developing, and maintaining **C\# and .NET-based backend applications**, specializing in building robust, scalable, and secure **RESTful APIs**. A professional focused on code quality, best practices, and clean architecture, with a strong orientation toward business outcomes. **Experience and Specializations** * Over 3 years of enterprise software development experience. * Design and implementation of REST APIs and Web Services using ASP.NET Core. * Implementation of clean architectures, Domain-Driven Design (DDD), SOLID principles, and design patterns. * Integration with external systems and microservices. * Performance, scalability, and security optimization. **Key Technologies** * **Language:** C\# * **Frameworks:** .NET, .NET Core, ASP.NET Core * **APIs:** REST, OpenAPI/Swagger, JWT, OAuth2 * **Architecture:** Microservices, Clean Architecture, Hexagonal Architecture * **ORM:** Entity Framework / EF Core, Dapper * **Databases:** SQL Server, PostgreSQL, MySQL, MongoDB * **Testing:** NUnit, Moq * **DevOps:** Azure DevOps / GitHub Actions, CI/CD * **Cloud:** Azure (App Services, Functions, Storage, Service Bus) **Typical Responsibilities** * Technical analysis and design of backend solutions. * Development of secure, high-performance APIs. * Code reviews and mentoring of junior and semi\-senior developers. * Collaboration with frontend, QA, and DevOps teams. * Implementation of unit and integration tests. * Technical documentation and production support. * Working in agile teams (Scrum / Kanban). Monday to Friday, on-site, 8 AM to 6 PM Indefinite-term contract Work location: KM2 Medellín Highway, 10 minutes from Guadua Bridge Position type: Full-time, indefinite-term Work location: On-site employment