Job Opening: Senior C# / .NET Developer

Description

Job Summary: SG Track is seeking a Senior C# / .NET Developer with solid experience to evolve, maintain, and modernize a legacy system, ensuring stability and performance. Key Highlights: 1. Evolution and modernization of a legacy C# / .NET system 2. Analysis, optimization, and development of new features 3. Technical support for architectural decisions and documentation **SG Track** is looking for a **Senior C\# / .NET Developer** with extensive software development and complex system maintenance experience. This professional will primarily work on the **evolution, maintenance, and modernization of a legacy system**, responsible for ensuring stability, performance improvements, and implementation of new features within an established and operational environment. We seek a **highly experienced, analytical professional with strong problem-solving skills**, capable of quickly understanding existing code and proposing structural improvements. Responsibilities * Maintenance and evolution of a **legacy system developed in C\# / .NET** * Analysis of existing code and implementation of improvements * Development of new features * Bug fixing and performance optimization * Refactoring and modernization of parts of the system * Integration with APIs and external services * Technical support to the team in architectural decisions * Technical documentation of implemented solutions Requirements * **Solid experience (minimum 5 years) in C\# development** * Strong knowledge of **.NET Framework and/or .NET** * Experience with **legacy systems** * Experience with **SQL Server** * Experience with **Web APIs** * Knowledge of **software architecture** * Experience with **debugging and analysis of complex systems** * Knowledge of **version control** Employment Type: Full-time CLT or Freelance / PJ Contract Duration: 24 months Compensation: R$4\.000,00 \- R$7\.000,00 per month Benefits: * Health insurance * Company mobile phone * Life insurance * Meal allowance * Food voucher * Transportation allowance Work Location: On-site