Mid-Level Backend Developer C# (.NET)

Description

Job Summary: We are seeking a Mid-Level Backend Developer C# to maintain, enhance, and modernize our applications, with a focus on autonomy, legacy system analysis, and delivery quality. Key Highlights: 1. Maintenance, enhancement, and modernization of applications. 2. An environment that values good development practices and scalable architecture. 3. Opportunity to contribute to the evolution of business-critical systems. About the Opportunity We are looking for a Mid-Level Backend Developer C# to maintain, enhance, and modernize our applications. We seek a professional with solid backend development experience, capable of independently managing technical tasks, analyzing legacy systems effectively, and focusing on delivery quality. You will join an environment that values good development practices, scalable architecture, and continuous improvement—directly contributing to the evolution of business-critical systems. Key Responsibilities * Maintain and enhance applications built on .NET Framework 4.8 and .NET 8; * Develop and support microservice-based architectures; * Independently implement new features with high quality; * Identify, analyze, and resolve bugs and production incidents; * Apply development best practices using SOLID, Clean Code, and DDD; * Develop, optimize, and maintain SQL Server queries; * Participate in team technical discussions and decisions; * Produce basic documentation for implementations and changes; * Support system integrations and deployment processes. Mandatory Requirements * 3–5 years of backend development experience; * Solid experience with: * C#; * .NET Framework 4.8; * .NET Core 6+ (preferably .NET 8); * Practical experience with microservice architecture; * Applied knowledge of: * SOLID; * Clean Code; * Domain-Driven Design (DDD); * REST API development; * Git for version control; * Production problem analysis and resolution; * SQL Server, including query writing and optimization; * Ability to understand, maintain, and evolve legacy systems. Compensation: R$5,000.00 – R$7,000.00 per month Benefits: * Medical insurance * Dental insurance * Childcare allowance * Education allowance * Profit-sharing program * Life insurance * Food allowance * Meal voucher * Transportation allowance Work Location: Hybrid remote work for São Paulo, SP